Mercedes-Benz SLK Mercedes-Benz SLK 2008 Porsche Cayenne Porsche Cayenne 2009
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Mercedes-Benz SLK vs. Porsche Cayenne Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Mercedes-Benz SLK vs. Porsche Cayenne Invoice Comparison

Lowest Total Price: $71,250

Mercedes-Benz SLK SLK55 AMG   
Difference: $32,100

Lowest Total Invoice: $66,413

Mercedes-Benz SLK SLK55 AMG   
Difference: $21,583

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082009
ModelSLKCayenne
TrimSLK55 AMGTurbo
Body2dr Hardtop conv.4dr SUV
Base Price $63,200 $97,700
Base Invoice $58,776 $83,045
Premium II Package 1,410  
Lighting Package 1,010  
Metallic paint (extra cost) 710  
Navigation system 1,200  
Automatic climate control, front 720  
iPod integration 375 440
CD changer, remote 450 650
Light Comfort Package   610
Floor mats   140
Bluetooth cell phone link   695
Satellite radio   750
Body kit   1,390
Premium II Package 1,311  
Lighting Package 939  
Metallic paint (extra cost) 659  
Navigation system 1,116  
Automatic climate control, front 670  
iPod integration 349 374
CD changer, remote 418 553
Light Comfort Package   519
Floor mats   119
Bluetooth cell phone link   591
Satellite radio   638
Body kit   1,182
Options (change) 5,875 4,675
Options (change) 5,462 3,976
Destination 875 975
Gas Tax 1,300 0
Total Price $71,250 $103,350
Total Invoice $66,413 $87,996

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SLK dealer quotes or Porsche Cayenne dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Mercedes-Benz SLK vs. Porsche Cayenne

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $29,380
TrueDelta Adjusted Invoice Difference: $19,267
Model Year20082009
ModelSLKCayenne
TrimSLK55 AMGTurbo
Body2dr Hardtop conv.4dr SUV
Engine355hp V8500hp V8
TransmissionT7T6
DrivetrainRWDAWD w/4L
EPA Fuel Economy (city/highway)14/20 MPG12/19 MPG
Audio (watts, speakers)380, 11410, 14
Tire (rear if not all the same)225/40-18275/45-19
Total Price$71,250$103,350
Adjustments for Features0-2,720
Feature-Adjusted Total Price$71,250$100,630
Total Invoice$66,413$87,996
Adjustments for Features0-2,316
Feature-Adjusted Total Invoice$66,413$85,680

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Features Comparison: Mercedes-Benz SLK vs. Porsche Cayenne

Model Year20082009
ModelSLKCayenne
TrimSLK55 AMGTurbo
Body2dr Hardtop conv.4dr SUV
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD w/low range $2200
Accessories 
Air compressor $35
Heated steering wheel $100
Power liftgate $350
Power rear side windows $200
Remote window/roof operation$15 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Hill descent control $250
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front $150
Obstacle detection, rear $250
Rollover sensor $50
Side curtain airbags $350
Cargo Management 
Air-conditioned storage compartment $50
Cargo cover $75
Cargo net $40
Liftglass or two-piece tailgate $150
Overhead sunglass holder $25
Rear seat pass-through $100
Ski sack $50
Storage compartment under front seat(s) $50
Climate Control 
Automatic air recirculation $100
Rear air vents $100
Rear wiper $175
Water-repellent front-door glass $15
Drivetrain 
Lockable center differential $150
Exterior 
Deep-tinted rear windows $275
Power retractable hardtop$6750 
Infotainment 
DVD-compatible player $0
iPod integration$100 
Media drive $15
MP3-compatible player $50
Telematics service, such as OnStar$200 
Traffic information $25
USB port $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors$25 
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Heated second row seats $200
No leather in second row$-300 
Power seat belt height adjusters, front row $25
Synthetic suede headliner $650
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Sport suspension (upgrade)$0 
Total Value of Features$8,285$10,905
Value of Feature Adjustments$0$2,720
Value of Feature Adjustments0-2,316

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See a complete comparison of Mercedes-Benz SLK vs. Porsche Cayenne features.

Specifications Comparison: Mercedes-Benz SLK vs. Porsche Cayenne

Model Year20082009
ModelSLKCayenne
Body2dr Hardtop conv.4dr SUV
Wheelbase95.7 in112.4 in
Length160.7 in188.9 in
Width70.4 in76.0 in
Height51.0 in66.9 in
Curb Weight3,420 lb.5,192 lb.
Fuel Capacity18.5 gal.26.4 gal.
Row 1 Headroom37.9 in39.7 in
Row 1 Shoulder Room52.2 in58.5 in
Row 1 Hip Room54.6 in57.4 in
Row 1 Legroom42.5 in40.6 in
Row 2 Headroom0.0 in38.9 in
Row 2 Shoulder Room0.0 in56.7 in
Row 2 Hip Room0.0 in53.3 in
Row 2 Legroom0.0 in36.0 in
Cargo Volume,
Minimum		6.5 ft319.1 ft3
Cargo Volume,
Maximum		9.8 ft362.5 ft3

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See a complete comparison of Mercedes-Benz SLK vs. Porsche Cayenne specs.

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Porsche Cayenne Turbo

iPod integration
FeatureValueRequested?
Aux input50Yes
Media drive, large15No
USB port25Yes
Total Requested7583%
Total Not Requested1517%
Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25No
Total Requested20089%
Total Not Requested2511%
Light Comfort Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

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