BMW Z4 vs. Porsche 718 Boxster Feature Comparison

Model Year	2015	2015	2015	2017	2017
Model	Z4	Z4	Z4	718 Boxster	718 Boxster
Trim	sDrive28i	sDrive35i	sDrive35is	Base	S
Engines (hide)
turbocharged 2.0L I4 DOHC-4v 240 hp@5000 260 lb-ft@1250
turbocharged 3.0L I6 DOHC-4v 300 hp@5800 300 lb-ft@1300
turbocharged 3.0L I6 DOHC-4v 335 hp@5900 332 lb-ft@1500
turbocharged 2.0L H4 DOHC-4v 300 hp@6500 280 lb-ft@1950
turbocharged 2.5L H4 DOHC-4v 350 hp@6500 309 lb-ft@1900
Transmissions (hide)
6-speed manual
8-speed manually-shiftable automatic
7-speed automated manual
Drivetrains (hide)
RWD
Tires (hide)
225/45VR17 tires
255/40VR17 tires
225/40WR18 tires
255/35WR18 tires
225/35WR19 tires
255/30WR19 tires
265/45ZR18 tires
235/45ZR18 tires
235/40ZR19 tires
235/35ZR20 tires
265/40ZR19 tires
265/35ZR20 tires
Audio Systems (hide)
Unbranded, 10 speakers
Unbranded, 650W, 16 speakers (with subwoofer)
Unbranded, 110W, 6 speakers
Bose, 505W, 10 speakers (with subwoofer)
Burmester, 821W, 12 speakers (with subwoofer)
Accessories (hide)
Adaptive cruise control, all-speedAutomatically maintains set distance behind preceding vehicle as well as set speed. Can bring vehicle to a complete stop then accelerate back up to set speed. Replaces regular adaptive cruise control, and includes its value.   [?]
Automatically maintains set distance behind preceding vehicle as well as set speed. Can bring vehicle to a complete stop then accelerate back up to set speed. Replaces regular adaptive cruise control, and includes its value.
Cruise control
Heated steering wheel
Power front side windowsOften must be ordered with power rear side windows, if these are available.   [?]
Often must be ordered with power rear side windows, if these are available.
Power locks
Proximity keyEnter and start the vehicle without removing the key from your pocket.   [?]
Enter and start the vehicle without removing the key from your pocket.
Remote appCheck on car and remotely control various functions (remote start, locks, lights, and/or HVAC) from a telephone or computer. Can require a monthly fee.   [?]
Check on car and remotely control various functions (remote start, locks, lights, and/or HVAC) from a telephone or computer. Can require a monthly fee.
Remote keyless entryUnlock and lock the car using buttons on the keyfob.   [?]
Unlock and lock the car using buttons on the keyfob.
Tilt/telescoping steering wheel, manual
Tilt/telescoping steering wheel, power
Universal garage door openerHomelink.   [?]
Homelink.
Wind blocker, smallRemovable or foldable barrier extends upward behind the front seatbacks, preventing cold air from entering the front seat area.   [?]
Removable or foldable barrier extends upward behind the front seatbacks, preventing cold air from entering the front seat area.
Brakes, Airbags, and Other Safety (hide)
4-wheel disc brakesRear disc brakes.   [?]
Rear disc brakes.
AlarmOnly listed when pricing a single model because insufficient data for all cars.   [?]
Only listed when pricing a single model because insufficient data for all cars.
Antilock brakes (ABS)Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.   [?]
Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.
Automatic braking, high-speed or partialIf collision detection system senses imminent collision, applies moderate braking.   [?]
If collision detection system senses imminent collision, applies moderate braking.
Blind spot warning systemMirror-mounted lights indicate when another vehicle is in a blind spot.   [?]
Mirror-mounted lights indicate when another vehicle is in a blind spot.
Brake assistWhen a panic stop is sensed, fully applies the brakes.   [?]
When a panic stop is sensed, fully applies the brakes.
Ceramic brake rotorsCeramic composite brake rotors.   [?]
Ceramic composite brake rotors.
Fire extinguisher
Forward collision warningAlerts driver when approaching the preceding car too quickly.   [?]
Alerts driver when approaching the preceding car too quickly.
Front airbagsMandatory, in all cars.   [?]
Mandatory, in all cars.
Front side airbagsTorso-level front row airbags, usually contained in the seats. Many also protect the head, but not as well as side curtain airbags.   [?]
Torso-level front row airbags, usually contained in the seats. Many also protect the head, but not as well as side curtain airbags.
Hill start assistApplies the brakes to hold the vehicle in place on an incline. Incomplete data, so only displayed when pricing a single vehicle.   [?]
Applies the brakes to hold the vehicle in place on an incline. Incomplete data, so only displayed when pricing a single vehicle.
Knee airbag, driver
Knee airbag, passenger
Obstacle detection, frontBeeps signal distance to object in front of vehicle. Parking aid.   [?]
Beeps signal distance to object in front of vehicle. Parking aid.
Obstacle detection, rearBeeps signal distance to object behind vehicle. Parking aid.   [?]
Beeps signal distance to object behind vehicle. Parking aid.
Radar- or camera-based collision preparation systemPrepares brakes (and sometimes also seat belts) for use when radar detects an imminent collision. Might also move seats and close windows. Early Lexus system used laser. Since automatic braking became common it has been unclear which models have this feat   [?]
Prepares brakes (and sometimes also seat belts) for use when radar detects an imminent collision. Might also move seats and close windows. Early Lexus system used laser. Since automatic braking became common it has been unclear which models have this feat
Rearview cameraRearview camera connected to display screen on the instrument panel. Often requires navigation system.   [?]
Rearview camera connected to display screen on the instrument panel. Often requires navigation system.
Roll bar
Side curtain airbagsAirbags contained just above the window level. Except in cars without a rear seat usually cover first and second row.   [?]
Airbags contained just above the window level. Except in cars without a rear seat usually cover first and second row.
Stability controlSelectively applies the brakes to prevent excessive understeer or oversteer (spinning).   [?]
Selectively applies the brakes to prevent excessive understeer or oversteer (spinning).
Tire-pressure monitorTwo types: a warning light when a tire is low on air and a pressure readout for each tire.   [?]
Two types: a warning light when a tire is low on air and a pressure readout for each tire.
Tires, run-flatCan be driven deflated for about 50 miles. Usually harm ride quality. Cars with these often have no spare tire.   [?]
Can be driven deflated for about 50 miles. Usually harm ride quality. Cars with these often have no spare tire.
Torque vectoring, brake-basedUses the brakes to channel torque to the outside wheels and counteract understeer. Similar to stability control, but proactive, and acting to improve cornering performance rather than prevent loss of control.   [?]
Uses the brakes to channel torque to the outside wheels and counteract understeer. Similar to stability control, but proactive, and acting to improve cornering performance rather than prevent loss of control.
Traction controlWhen a drive wheel slips, it is braked and/or engine power is reduced, restoring traction.   [?]
When a drive wheel slips, it is braked and/or engine power is reduced, restoring traction.
Cargo Management (hide)
Cargo mat
Cargo net
Cargo tray
Console with shifter
Rear seat pass-throughUsually concealed behind a stowed armrest. Enables long items like skis to be carried without folding the rear seat.   [?]
Usually concealed behind a stowed armrest. Enables long items like skis to be carried without folding the rear seat.
Roof rack crossbarsRequires roof rails. Together constitute a roof rack.   [?]
Requires roof rails. Together constitute a roof rack.
Ski sackSack attached to rear seat pass-through. Keeps dirty skis from messing up the interior.   [?]
Sack attached to rear seat pass-through. Keeps dirty skis from messing up the interior.
Climate Control (hide)
Air conditioning
Automatic air recirculationAutomatically recirculates interior air when pollution is detected in outside air.   [?]
Automatically recirculates interior air when pollution is detected in outside air.
Automatic climate control, frontMaintains set temperature in front row. Requires air conditioning and does not include its value.   [?]
Maintains set temperature in front row. Requires air conditioning and does not include its value.
Dual-zone climate controlTemperature can be separately set for left and right sides of the passenger compartment. Requires air conditioning and does not include its value.   [?]
Temperature can be separately set for left and right sides of the passenger compartment. Requires air conditioning and does not include its value.
Heated windshield washer nozzles
Interior air filterFilters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features.   [?]
Filters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features.
Rain-sensing wipersWipers automatically turn on and adjust their speed based on input from a rain sensor.   [?]
Wipers automatically turn on and adjust their speed based on input from a rain sensor.
Rear defrost
Residual heatProvides heat for an extended period of time after the engine has been cut off.   [?]
Provides heat for an extended period of time after the engine has been cut off.
Variable intermittent wipersTime between wipes can be precisely adjusted.   [?]
Time between wipes can be precisely adjusted.
Water-repellent front-door glassMakes rain bead up and roll off the windows.   [?]
Makes rain bead up and roll off the windows.
Drivetrain (hide)
Electronically-variable engine mounts (performance-oriented)Can vary engine mount stiffness to maximize performance or comfort.   [?]
Can vary engine mount stiffness to maximize performance or comfort.
Limited-slip rear differentialWhen one rear wheel spins, the differential locks up, sending power to the wheel with better traction.   [?]
When one rear wheel spins, the differential locks up, sending power to the wheel with better traction.
Engine / Motor (hide)
Automatic start / stopAutomatically cuts off the engine when the vehicle is stopped and restarts it when the driver lifts off the brake pedal. Not listed for hybrids, where it is generally part of the powertrain system.   [?]
Automatically cuts off the engine when the vehicle is stopped and restarts it when the driver lifts off the brake pedal. Not listed for hybrids, where it is generally part of the powertrain system.
Dual-mode exhaust, switchableValves open in the exhaust at high rpm and/or during brisk acceleration, for power boost and/or richer sound. Valves can also be opened with a switch.   [?]
Valves open in the exhaust at high rpm and/or during brisk acceleration, for power boost and/or richer sound. Valves can also be opened with a switch.
Engine-block heaterPlugs into electrical outlet to warm up the engine. Facilitates starting in extreme cold.   [?]
Plugs into electrical outlet to warm up the engine. Facilitates starting in extreme cold.
Mid-engine configurationThe engine is located behind the driver but ahead of the rear axle.   [?]
The engine is located behind the driver but ahead of the rear axle.
Raised top speed limiterPermits a higher top speed before fuel cutoff kicks in.   [?]
Permits a higher top speed before fuel cutoff kicks in.
Regenerative brakingSmart alternator recharges battery only while braking, to improve fuel economy.   [?]
Smart alternator recharges battery only while braking, to improve fuel economy.
Sport exhaustChanges sound of exhaust and/or appearance of the tips. In some cases might slightly improve performance.   [?]
Changes sound of exhaust and/or appearance of the tips. In some cases might slightly improve performance.
Exterior (hide)
Bright-finished exhaust tip(s)Increasingly often these are not actually connected to the exhaust.   [?]
Increasingly often these are not actually connected to the exhaust.
Metallic paint (extra cost)
Mud guardsFlaps mounted behind two to four wheels, to protect the body from mud and rocks.   [?]
Flaps mounted behind two to four wheels, to protect the body from mud and rocks.
Paint, special
Painted brake calipers (optional)
Power convertible top
Power retractable hardtop
Retractable rear spoilerSpoiler extends automatically at high speeds. Otherwise flush with body. Can be manually extended and retracted.   [?]
Spoiler extends automatically at high speeds. Otherwise flush with body. Can be manually extended and retracted.
Special roof color
Sport front fascia (optional)Only listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Sport rear fascia, e.g. diffuser (optional)Only listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Infotainment (hide)
4G LTE connectivityHigher speed Internet connection. Monthly fee after trial period.   [?]
Higher speed Internet connection. Monthly fee after trial period.
App supportTouchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years.    [?]
Touchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years.
Apple CarPlay supportRequires compatible Apple iPhone.   [?]
Requires compatible Apple iPhone.
Audio controls on steering wheel
Aux inputJack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car.   [?]
Jack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car.
Bluetooth audio streamingUses Bluetooth rather than a cable to integrate audio device. Requires compatible audio device and/or phone.   [?]
Uses Bluetooth rather than a cable to integrate audio device. Requires compatible audio device and/or phone.
Bluetooth cell phone linkEnables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers.   [?]
Enables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers.
CD changer, remoteCD changer in the glove compartment, trunk, or cargo area, beyond easy reach. Can be in addition to an in-dash CD player.   [?]
CD changer in the glove compartment, trunk, or cargo area, beyond easy reach. Can be in addition to an in-dash CD player.
CD player
Concierge Services - 3 year subscriptionTypically can help with hotel and restaurant reservations.   [?]
Typically can help with hotel and restaurant reservations.
DVD-Audio-compatible playerAudio system capable of playing DVD-Audio discs.   [?]
Audio system capable of playing DVD-Audio discs.
DVD-compatible playerAudio system capable of playing DVDs on a front-row screen. Inoperative when the vehicle is moving. No value because of incomplete data.   [?]
Audio system capable of playing DVDs on a front-row screen. Inoperative when the vehicle is moving. No value because of incomplete data.
Handwriting recognitionTouchpad that interprets handwritten inputs.   [?]
Touchpad that interprets handwritten inputs.
HD radioHigh-definition radio, which broadcasts a digital signal. Free, no subscription fees.   [?]
High-definition radio, which broadcasts a digital signal. Free, no subscription fees.
In-vehicle InternetConnects car to the Internet to update systems, download information, and/or browse. Includes internal modem, usually requires car-specific broadband service with monthly fee.   [?]
Connects car to the Internet to update systems, download information, and/or browse. Includes internal modem, usually requires car-specific broadband service with monthly fee.
Media driveBuilt-in drive with at least 10 GB of storage for MP3 and other audio files.   [?]
Built-in drive with at least 10 GB of storage for MP3 and other audio files.
Media drive, smallBuilt-in flash drive with a small amount of storage for MP3 and other audio files.   [?]
Built-in flash drive with a small amount of storage for MP3 and other audio files.
MP3-compatible playerAudio system capable of playing discs with MP3 files.   [?]
Audio system capable of playing discs with MP3 files.
Navigation map updates, three years
Navigation systemScreen-based navigation system.   [?]
Screen-based navigation system.
Off-road navigation systemEnables navigation even without roads. Requires and does not include the value of a navigation system.   [?]
Enables navigation even without roads. Requires and does not include the value of a navigation system.
S Voice supportAccess S Voice features of a Samsung Galaxy phone (III and up) using the car's voice controls.   [?]
Access S Voice features of a Samsung Galaxy phone (III and up) using the car's voice controls.
Satellite radioXM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.   [?]
XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.
Satellite radio - one year subscriptionXM or Sirius with one-year subscription.   [?]
XM or Sirius with one-year subscription.
SD Card slotSD, CF, PCMCIA, or other digital media reader.   [?]
SD, CF, PCMCIA, or other digital media reader.
Siri Eyes Free supportActivate Siri using button on steering wheel. Make calls, hear and dictate texts and email, manage calendar, turn-by-turn nav. Requires iPhone 4S or higher.    [?]
Activate Siri using button on steering wheel. Make calls, hear and dictate texts and email, manage calendar, turn-by-turn nav. Requires iPhone 4S or higher.
Smartphone integrationIn BMWs includes baseplate in center console that provides a connection to an external antenna, but that requires an additional adapter.   [?]
In BMWs includes baseplate in center console that provides a connection to an external antenna, but that requires an additional adapter.
SMS text-to-speech readerConverts text messages to speech.   [?]
Converts text messages to speech.
Surround sound
Telematics service, such as OnStarIn-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months.   [?]
In-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months.
Text dictationDictate text for messages and/or emails. Annual fee.   [?]
Dictate text for messages and/or emails. Annual fee.
Traffic + travel informationInformation about traffic plus weather, gas prices, sports news, and/or movie times. Monthly fee after first 3-12 months.   [?]
Information about traffic plus weather, gas prices, sports news, and/or movie times. Monthly fee after first 3-12 months.
Traffic informationInformation about traffic conditions. Monthly fee after first 3-12 months.   [?]
Information about traffic conditions. Monthly fee after first 3-12 months.
USB portOften permits an iPod or phone to be integrated into the vehicle's entertainment system and controls.   [?]
Often permits an iPod or phone to be integrated into the vehicle's entertainment system and controls.
Voice control for external devicesPhone or other device operated via the vehicle's voice command system. Requires a compatible device--all aren't supported.   [?]
Phone or other device operated via the vehicle's voice command system. Requires a compatible device--all aren't supported.
Voice control for nav and audioSometimes also includes voice control over climate control system.   [?]
Sometimes also includes voice control over climate control system.
Voice recorder
Wi-Fi hotspotProvides Wi-Fi within the car. Includes internal modem, usually requires car-specific broadband service with monthly fee.   [?]
Provides Wi-Fi within the car. Includes internal modem, usually requires car-specific broadband service with monthly fee.
Instruments, Lights, and Mirrors (hide)
Auto-dimming driver-side mirrorDriver-side exterior mirror automatically dims when hit by headlights of following vehicle.   [?]
Driver-side exterior mirror automatically dims when hit by headlights of following vehicle.
Auto-dimming headlightsHigh beams automatically turned on and off.   [?]
High beams automatically turned on and off.
Auto-dimming passenger-side mirrorPassenger-side rearview mirror automatically dims when hit by headlights of following vehicle.   [?]
Passenger-side rearview mirror automatically dims when hit by headlights of following vehicle.
Auto-dimming rearview mirrorInterior rearview mirror automatically dims when hit by headlights of following vehicle.   [?]
Interior rearview mirror automatically dims when hit by headlights of following vehicle.
Automatic headlightsHeadlights automatically turn on and off. Includes value of automatic-off headlights.   [?]
Headlights automatically turn on and off. Includes value of automatic-off headlights.
ChronometerStopwatch, lap timer. Usually includes an analog clock.   [?]
Stopwatch, lap timer. Usually includes an analog clock.
CompassWe haven't given this feature a value because it's hard to tell which cars have it.   [?]
We haven't given this feature a value because it's hard to tell which cars have it.
Fog light, rearMake it easier for following vehicles to see the vehicle in fog.   [?]
Make it easier for following vehicles to see the vehicle in fog.
Fog lightsLight wide area close in front of the vehicle.   [?]
Light wide area close in front of the vehicle.
Headlight washers
Heated mirrorsClears ice and fog from mirrors.   [?]
Clears ice and fog from mirrors.
Illuminated visor mirror, driverIncludes value of non-illuminated vanity mirror.   [?]
Includes value of non-illuminated vanity mirror.
Illuminated visor mirror, passengerIncludes value of non-illuminated vanity mirror.   [?]
Includes value of non-illuminated vanity mirror.
Interior ambient lightingLEDs cast a soft glow over and/or highlight parts of the interior.   [?]
LEDs cast a soft glow over and/or highlight parts of the interior.
LED headlightsLED headlights last longer and use less energy than other types.   [?]
LED headlights last longer and use less energy than other types.
LED tail lightsOnly listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Map lightsFront row reading lights.   [?]
Front row reading lights.
Outside temperature display
Performance meterMeasures and displays lateral acceleration. Some also measure and display 0-60, quarter mile, etc.   [?]
Measures and displays lateral acceleration. Some also measure and display 0-60, quarter mile, etc.
Perimeter approach lightingArea around the vehicle is illuminated when the vehicle is remotely unlocked.   [?]
Area around the vehicle is illuminated when the vehicle is remotely unlocked.
Power mirrorsIncludes value of manual remote mirrors.   [?]
Includes value of manual remote mirrors.
Power-folding mirrorsMirrors fold and unfold with the touch of a button inside the vehicle. Good for narrow roads and parking lots.   [?]
Mirrors fold and unfold with the touch of a button inside the vehicle. Good for narrow roads and parking lots.
Steering-linked headlightsHeadlights swivel when steering wheel is turned.   [?]
Headlights swivel when steering wheel is turned.
TachometerReports engine speed.   [?]
Reports engine speed.
Trip computerReports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.   [?]
Reports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.
Turn signals on or near mirrors
Visor mirror, driver
Visor mirror, passenger
Xenon HID headlightsProvide a brighter, whiter light than halogen headlights.   [?]
Provide a brighter, whiter light than halogen headlights.
Seats and Interior Trim (hide)
Front buckets
Front sport buckets
Aluminum trimReal aluminum trim on instrument panel, door panels, and/or center console. Deleted by wood trim even if they appear together.   [?]
Real aluminum trim on instrument panel, door panels, and/or center console. Deleted by wood trim even if they appear together.
Carbon fiber / leather-wrapped steering wheel
Carbon fiber trimWon't be listed in conjunction with wood or aluminum trim even if they are available together.   [?]
Won't be listed in conjunction with wood or aluminum trim even if they are available together.
Center armrest(s), front row
Color seat beltsUsually red or yellow.   [?]
Usually red or yellow.
Cooled or ventilated front seats
Dark-colored headliner (optional)Only listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Door sill trim plates
Floor mats
Heated front seats
Illuminated carbon fiber door sill trim plates
Leather door panel trim
Leather seating surfacesSeating surfaces are trimmed in leather; other upholstery tends to be leatherette.   [?]
Seating surfaces are trimmed in leather; other upholstery tends to be leatherette.
Leather upholstery, extended coverageLeather beyond the seating surfaces, door panels, and IP top. No additional value over leather upholstery because no way to standardize across all models.   [?]
Leather beyond the seating surfaces, door panels, and IP top. No additional value over leather upholstery because no way to standardize across all models.
Leather-wrapped steering wheel
Manual height adjuster, driver seat
Manual height adjuster, passenger seat
Manual thigh support length adjuster, driver seatManually adjustable cushion length; provides better support for long legs.   [?]
Manually adjustable cushion length; provides better support for long legs.
Manual thigh support length adjuster, passenger seatManually adjustable cushion length; provides better support for long legs.   [?]
Manually adjustable cushion length; provides better support for long legs.
Memory system, driver seat
Metal pedals
No leather in second row
Power 4-way lumbar adjuster, driver seatLower back support power-adjustable vertically as well as in and out.   [?]
Lower back support power-adjustable vertically as well as in and out.
Power 4-way lumbar adjuster, passenger seatLower back support power-adjustable vertically as well as in and out.   [?]
Lower back support power-adjustable vertically as well as in and out.
Power fore-aft adjuster, driver seat
Power fore-aft adjuster, passenger seat
Power height adjuster, driver seat
Power height adjuster, passenger seat
Power recliner, driver seat
Power recliner, passenger seat
Power seatback bolsters, driver seatPower adjustable bolsters on the seatback, to provide lateral support in hard turns.   [?]
Power adjustable bolsters on the seatback, to provide lateral support in hard turns.
Power seatback bolsters, passenger seatPower adjustable bolsters on the seatback, to provide lateral support in hard turns.   [?]
Power adjustable bolsters on the seatback, to provide lateral support in hard turns.
Power thigh bolsters, driver seatPower adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns.   [?]
Power adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns.
Power thigh bolsters, passenger seatPower adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns.   [?]
Power adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns.
Power thigh support length adjuster, driver seatPower-adjustable cushion length; provides better support for long legs.   [?]
Power-adjustable cushion length; provides better support for long legs.
Power thigh support length adjuster, passenger seatPower-adjustable cushion length; provides better support for long legs.   [?]
Power-adjustable cushion length; provides better support for long legs.
Power tilt adjuster, driver seatPower tilting seat cushion; can take the form of a second height adjustment.   [?]
Power tilting seat cushion; can take the form of a second height adjustment.
Power tilt adjuster, passenger seatPower tilting seat cushion; can take the form of a second height adjustment.   [?]
Power tilting seat cushion; can take the form of a second height adjustment.
Synthetic leather seating surfacesA.k.a vinyl, leatherette, MB-Tex, NuLuxe.   [?]
A.k.a vinyl, leatherette, MB-Tex, NuLuxe.
Synthetic suede steering wheelSynthetic suede steering wheel rim.   [?]
Synthetic suede steering wheel rim.
Two-tone upholstery (optional)Only listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Upgraded leather upholsteryNo additional value over leather upholstery because no way to standardize across all models.   [?]
No additional value over leather upholstery because no way to standardize across all models.
Upholstered instrument panel, leather
Wood trimReal wood trim on instrument panel, door panels, and/or center console.   [?]
Real wood trim on instrument panel, door panels, and/or center console.
Wood/leather-wrapped steering wheelReal wood comprises part of the steering wheel rim.   [?]
Real wood comprises part of the steering wheel rim.
Suspension, Wheels, and Tires (hide)
Adaptive dampers - electricalShocks that electrically adjust their firmness based on sensor readings of the road surface. The driver might also be able to select a \"sport\" setting.   [?]
Shocks that electrically adjust their firmness based on sensor readings of the road surface. The driver might also be able to select a \"sport\" setting.
Alloy wheels
Body color wheels
Electronic systems calibration selectorVaries throttle, steering, ABS, and/or stability control calibration.   [?]
Varies throttle, steering, ABS, and/or stability control calibration.
Polished alloy wheelsAlloy wheels highly polished to yield an almost chrome-like finish. In the past valued more highly than regular alloy wheels. But the term is used so broadly lately, often meaning that only some of the wheel face is machined, that they have the same defau   [?]
Alloy wheels highly polished to yield an almost chrome-like finish. In the past valued more highly than regular alloy wheels. But the term is used so broadly lately, often meaning that only some of the wheel face is machined, that they have the same defau
Sport suspension (upgrade)Only listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Variable assist steering (optional)Only listed if not standard on all trims. No value because no way to compare across models.   [?]
Only listed if not standard on all trims. No value because no way to compare across models.
Wheel locksLug nuts that can only be removed using a special key. Prevents theft of wheels.   [?]
Lug nuts that can only be removed using a special key. Prevents theft of wheels.
Wheels, dark finish
Transmission (hide)
Launch controlElectronically controls engine and transmission for perfect launch.   [?]
Electronically controls engine and transmission for perfect launch.
Steering-wheel-mounted transmission controlsPaddles or buttons that can be used to manually shift the transmission. Only listed when optional or not always included with an automatic transmission.   [?]
Paddles or buttons that can be used to manually shift the transmission. Only listed when optional or not always included with an automatic transmission.

BMW Z4: sDrive28i BMW Z4: sDrive35i BMW Z4: sDrive35is Porsche 718 Boxster: Base Porsche 718 Boxster: S

Sport Package

Features
Sport suspension (upgrade)
Adaptive dampers - electrical
Raised top speed limiter
Power seatback bolsters, driver seat
Manual thigh support length adjuster, passenger seat
Power seatback bolsters, passenger seat
Raised top speed limiter
Front sport buckets
225/40WR18 tires
255/35WR18 tires

Premium Sound Package

Features
Surround sound
DVD-compatible player

Cold Weather Package

Features
Heated steering wheel
Headlight washers

Technology Package

Features
Navigation system
Voice control for nav and audio
Media drive
Traffic + travel information
App support
Remote app
Siri Eyes Free support
S Voice support

M Sport Package

Features
Sport front fascia (optional)
Sport rear fascia, e.g. diffuser (optional)
Dark-colored headliner (optional)

Enhanced USB and Smartphone Integration

Features
SMS text-to-speech reader
Voice recorder
Smartphone integration

Enhanced USB and Smartphone Integration

Features
Text dictation

Premium Sound Package

Features
Surround sound
DVD-compatible player

Cold Weather Package

Features
Heated steering wheel
Headlight washers

Technology Package

Features
Navigation system
Voice control for nav and audio
Media drive
Traffic + travel information
App support
Remote app
Siri Eyes Free support
S Voice support

Sport Package

Features
Sport suspension (upgrade)
Adaptive dampers - electrical
Raised top speed limiter
Power seatback bolsters, driver seat
Manual thigh support length adjuster, passenger seat
Power seatback bolsters, passenger seat
Raised top speed limiter
Front sport buckets
225/40WR18 tires
255/35WR18 tires

M Sport Package

Features
Sport front fascia (optional)
Sport rear fascia, e.g. diffuser (optional)
Dark-colored headliner (optional)

Enhanced USB and Smartphone Integration

Features
SMS text-to-speech reader
Voice recorder
Smartphone integration

Enhanced USB and Smartphone Integration

Features
Text dictation

Cold Weather Package

Features
Heated steering wheel
Headlight washers

Technology Package

Features
Navigation system
Voice control for nav and audio
Media drive
Traffic + travel information
App support
Remote app
Siri Eyes Free support
S Voice support

Enhanced USB and Smartphone Integration

Features
SMS text-to-speech reader
Voice recorder
Smartphone integration

Enhanced USB and Smartphone Integration

Features
Text dictation

Porsche Connect

Features
Telematics service, such as OnStar
App support
Remote app
Apple CarPlay support

Power sport seats

Features
Power height adjuster, passenger seat
Power tilt adjuster, passenger seat
Tilt/telescoping steering wheel, power
Power fore-aft adjuster, driver seat
Power height adjuster, driver seat
Power tilt adjuster, driver seat
Power 4-way lumbar adjuster, driver seat
Power thigh support length adjuster, driver seat
Power fore-aft adjuster, passenger seat
Power 4-way lumbar adjuster, passenger seat
Power thigh support length adjuster, passenger seat
Memory system, driver seat

Convenience Package

Features
Dual-zone climate control
Residual heat
Automatic air recirculation

Auto-dimming mirrors

Features
Auto-dimming rearview mirror
Rain-sensing wipers
Auto-dimming driver-side mirror
Auto-dimming passenger-side mirror

Sport Chrono Package

Features
Chronometer
Electronic systems calibration selector
Performance meter
Launch control
Electronically-variable engine mounts (performance-oriented)

Porsche Connect Plus

Features
Traffic information
In-vehicle Internet
Wi-Fi hotspot
4G LTE connectivity
Navigation map updates, three years

Porsche Dynamic Light System

Features
Steering-linked headlights
Headlight washers

Premium Package Plus

Features
Perimeter approach lighting

Sport seats plus

Features
Front sport buckets

Adaptive sport seats plus

Features
Power thigh bolsters, driver seat
Power seatback bolsters, driver seat
Power thigh bolsters, passenger seat
Power seatback bolsters, passenger seat

Porsche Connect

Features
Telematics service, such as OnStar
App support
Remote app
Apple CarPlay support

Power sport seats

Features
Power height adjuster, passenger seat
Power tilt adjuster, passenger seat
Tilt/telescoping steering wheel, power
Power fore-aft adjuster, driver seat
Power height adjuster, driver seat
Power tilt adjuster, driver seat
Power 4-way lumbar adjuster, driver seat
Power thigh support length adjuster, driver seat
Power fore-aft adjuster, passenger seat
Power 4-way lumbar adjuster, passenger seat
Power thigh support length adjuster, passenger seat
Memory system, driver seat

Convenience Package

Features
Dual-zone climate control
Residual heat
Automatic air recirculation

Auto-dimming mirrors

Features
Auto-dimming rearview mirror
Rain-sensing wipers
Auto-dimming driver-side mirror
Auto-dimming passenger-side mirror

Sport Chrono Package

Features
Chronometer
Electronic systems calibration selector
Performance meter
Launch control
Electronically-variable engine mounts (performance-oriented)

Porsche Connect Plus

Features
Traffic information
In-vehicle Internet
Wi-Fi hotspot
4G LTE connectivity
Navigation map updates, three years

Porsche Dynamic Light System

Features
Steering-linked headlights
Headlight washers

Premium Package Plus

Features
Perimeter approach lighting

Sport seats plus

Features
Front sport buckets

Adaptive sport seats plus

Features
Power thigh bolsters, driver seat
Power seatback bolsters, driver seat
Power thigh bolsters, passenger seat
Power seatback bolsters, passenger seat