Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK
Model Year
2006
2006-
2006-
2006-
Model
Cayman
SLK
SLK
SLK
Trim
S
SLK280
SLK350
SLK55 AMG
Engines
6.0L V8 OHV-2v 367 hp@5600 375 lb-ft@4300
3.0L V6 DOHC-4v 228 hp@6000 221 lb-ft@2500
3.5L V6 DOHC-4v 268 hp@6000 258 lb-ft@2400
5.4L V8 OHC-3v 355 hp@5750 376 lb-ft@4000
Transmissions
6-speed manual
5-speed manually-shiftable automatic
7-speed manually-shiftable automatic
Drivetrains
RWD
Tires
235/40ZR18 tires
265/40ZR18 tires
235/35ZR19 tires
265/35ZR19 tires
225/50WR16 tires
205/55WR16 tires
225/45ZR17 tires
245/40ZR17 tires
245/35ZR18 tires
225/40ZR18 tires
Audio Systems
Unbranded, 230W, 7 speakers
Bose, 325W, 11 speakers (with subwoofer)
Unbranded, 9 speakers
Harman/Kardon, 380W, 11 speakers (with subwoofer)
Accessories
Cruise control
First-aid kit
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
Remote keyless entryUnlock and lock the car using buttons on the keyfob.
Unlock and lock the car using buttons on the keyfob.
Remote window/roof operationOperate the power windows, sunroof, and/or convertible roof using buttons on the keyfob.
Operate the power windows, sunroof, and/or convertible roof 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
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.
Brake assistWhen a panic stop is sensed, fully applies the brakes.
When a panic stop is sensed, fully applies the brakes.
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.
Knee airbag, driver
Knee airbag, passenger
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.
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
Console with shifter
Climate Control
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.
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.
Intermittent wipers
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.
Engine / Motor
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
Body kitSide skirts and possibly a front air dam and rear apron.
Side skirts and possibly a front air dam and rear apron.
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)
Paint, special
Power retractable hardtop
Rear spoilerCan be small lip spoiler or a larger raised spoiler.
Can be small lip spoiler or a larger raised spoiler.
Gas Guzzler Tax
1300
Infotainment
Audio controls on steering wheel
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
Navigation systemScreen-based navigation system.
Screen-based navigation system.
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.
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.
Weatherband radioIncludes frequencies for weather channels. Only listed when pricing a single model because incomplete data for all model.
Includes frequencies for weather channels. Only listed when pricing a single model because incomplete data for all model.
Instruments, Lights, and Mirrors
Analog clock
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 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.
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 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.
Map lightsFront row reading lights.
Front row reading lights.
Mirror tilt-down in reverseOne or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb.
One or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb.
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
Xenon HID headlightsProvide a brighter, whiter light than halogen headlights.
Provide a brighter, whiter light than halogen headlights.
Seats and Interior Trim
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.
Center armrest(s), front row
Floor mats
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 height adjuster, driver seat
Manual height adjuster, passenger seat
Manual tilt adjuster, driver seatManually tilting seat cushion; can take the form of a second height adjustment.
Manually tilting seat cushion; can take the form of a second height adjustment.
Manual tilt adjuster, passenger seatManually tilting seat cushion; can take the form of a second height adjustment.
Manually tilting seat cushion; can take the form of a second height adjustment.
Memory system, driver seat
Memory system, passenger seat
Metal pedals
Neck-level heating, front seatsNeck-level heat vents.
Neck-level heat vents.
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 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.
Special interior 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.
Synthetic suede inserts in leather seating surfacesSeating surfaces are part leather, part synthetic suede.
Seating surfaces are part leather, part synthetic suede.
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 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
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
Alloy wheels, optional designSame value as regular alloy wheels because no way to compare across models.
Same value as regular alloy wheels because no way to compare across models.
Power steering coolerOnly 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 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.
Transmission
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.
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.
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