Porsche Boxster vs. GMC Envoy Feature Comparison

Features Comparison: Porsche Boxster vs. GMC Envoy

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Model Year	2006	2006	2008	2008	2008
Model	Boxster	Boxster	Envoy	Envoy	Envoy
Trim	Base	S	SLE	SLT	Denali
Engines (hide)
2.7L H6 DOHC-4v 265 hp@6700 206 lb-ft@4400
3.4L H6 DOHC-4v 315 hp@6700 266 lb-ft@4500
4.2L I6 DOHC-4v 285 hp@6000 276 lb-ft@4600
5.3L V8 OHV-2v 300 hp@5300 321 lb-ft@4000
Transmissions (hide)
5-speed manual
5-speed manually-shiftable automatic
6-speed manual
4-speed automatic
Drivetrains (hide)
RWD
4WD w/low range
Final Drive Ratios (hide)
3.73 axle ratio
Tires (hide)
205/55ZR17 tires
235/50ZR17 tires
235/40ZR18 tires
235/35ZR19 tires
265/40ZR18 tires
265/35ZR19 tires
245/65R17 tires
245/60R18 tires
Audio Systems (hide)
Unbranded, 50W, 4 speakers
Unbranded, 230W, 7 speakers
Bose, 325W, 11 speakers (with subwoofer)
Unbranded, 6 speakers
Bose, 275W, 6 speakers
Accessories (hide)
Air compressorAir compressor generally used to pump up springs or shocks can also be used to inflate tires, balls, etc.   [?]
Air compressor generally used to pump up springs or shocks can also be used to inflate tires, balls, etc.
Ashtray and lighter (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.
Cruise control
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
Power rear side windows
Power-adjustable pedalsPedals adjust fore-and-aft to provide the optimal relationship with the steering wheel.   [?]
Pedals adjust fore-and-aft to provide the optimal relationship with the steering wheel.
Remote keyless entryUnlock and lock the car using buttons on the keyfob.   [?]
Unlock and lock the car using buttons on the keyfob.
Sound insulation, additionalOnly 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.
Tilt steering wheel, manual
Universal garage door openerHomelink.   [?]
Homelink.
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.
Front airbagsMandatory, in all cars.   [?]
Mandatory, in all cars.
Full-size spare tire
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.
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 cover
Cargo mat
Cargo net
Class IV trailer hitchHitch rated for up to 10,000 pounds. Capacity of the vehicle could be lower.   [?]
Hitch rated for up to 10,000 pounds. Capacity of the vehicle could be lower.
Console with shifter
Liftglass or two-piece tailgateDo not have to open entire tailgate to access the cargo area.   [?]
Do not have to open entire tailgate to access the cargo area.
Roof rack crossbarsRequires roof rails. Together constitute a roof rack.   [?]
Requires roof rails. Together constitute a roof rack.
Roof railsNo crossbars.   [?]
No crossbars.
Storage beneath cargo floorLarge storage area beneath the load floor, often compartmentalized.   [?]
Large storage area beneath the load floor, often compartmentalized.
Trailering equipment (7 wire)Includes seven-wire harness, necessary for larger trailers.   [?]
Includes seven-wire harness, necessary for larger trailers.
Climate Control (hide)
Air conditioning
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.
Rear defrost
Rear heat ductsDucts under front seats direct heated air to the second row.   [?]
Ducts under front seats direct heated air to the second row.
Rear wiper
Variable intermittent wipersTime between wipes can be precisely adjusted.   [?]
Time between wipes can be precisely adjusted.
Drivetrain (hide)
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)
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.
Exterior (hide)
Bodyside claddingProtective cladding extending partly onto the doors.   [?]
Protective cladding extending partly onto the doors.
Bodyside moldingsMoldings on the bodysides, to protect against door dings in parking lots.   [?]
Moldings on the bodysides, to protect against door dings in parking lots.
Deep-tinted rear windows
Laminated front side windowsReduces interior noise, prevents side windows from shattering.   [?]
Reduces interior noise, prevents side windows from shattering.
Paint, special black
Paint, special red
Rear bumper protector
Running boards
Special exterior trimOnly 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.
Sunroof
Infotainment (hide)
Audio controls on steering wheel
CD changer, in-dashIncludes CD player.   [?]
Includes CD player.
CD player
Entertainment system, ceiling-mountedA DVD player and ceiling-mounted screen. Often includes a pair of wireless headphones.   [?]
A DVD player and ceiling-mounted screen. Often includes a pair of wireless headphones.
Navigation systemScreen-based navigation system.   [?]
Screen-based navigation system.
Rear seat audio controlsAudio controls for rear seat passengers, usually to control output through headphone jacks.   [?]
Audio controls for rear seat passengers, usually to control output through headphone jacks.
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.
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.
Telematics service, such as OnStar, with navigationIn-vehicle security, communications, and diagnostics system plus turn-by-turn navigation (no map display). 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 plus turn-by-turn navigation (no map display). For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months.
Instruments, Lights, and Mirrors (hide)
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.
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.
Cornering lightsLights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned.   [?]
Lights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned.
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.
Map lightsFront row reading lights.   [?]
Front row reading lights.
Outside temperature display
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.
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
Seats and Interior Trim (hide)
Front buckets
Front sport buckets
Second-row 2-section 3-person split bench
Center armrest(s), front row
Door sill trim plates
Floor mats
Folding second row seatsSeat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat.   [?]
Seat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat.
Heated front seats
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-wrapped steering wheel
Manual lumbar adjuster, driver seatManually adjustable lower back support.   [?]
Manually adjustable lower back support.
Memory system, driver seat
Power fore-aft adjuster, driver seat
Power fore-aft adjuster, passenger seat
Power height adjuster, driver seat
Power height adjuster, passenger seat
Power lumbar adjuster, driver seatPower-adjustable lower back support.   [?]
Power-adjustable lower back support.
Power lumbar adjuster, passenger seatPower-adjustable lower back support.   [?]
Power-adjustable lower back support.
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 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.
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.
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
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
Rear air springs, auto-levelingAir springs maintain the rear ride height.   [?]
Air springs maintain the rear ride height.
Transmission (hide)
Short-throw shifter (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.
Transmission coolerOnly 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.

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