Porsche Cayenne Porsche Cayenne 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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Porsche Cayenne vs. Mercedes-Benz SLK 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.

Porsche Cayenne vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $71,250

Mercedes-Benz SLK SLK55 AMG   
Difference: $45,070

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152008
ModelCayenneSLK
TrimTurboSLK55 AMG
Body4dr SUV2dr Hardtop conv.
Base Price $113,600 $63,200
Comfort Lighting Package 325  
Satellite radio 750  
CD changer, in-dash 650  
Lighting Package   1,010
Premium II Package   1,410
Metallic paint (extra cost)   710
iPod integration   375
Automatic climate control, front   720
Navigation system   1,200
CD changer, remote   450
Comfort Lighting Package 0  
Satellite radio 638  
CD changer, in-dash 0  
Lighting Package   939
Premium II Package   1,311
Metallic paint (extra cost)   659
iPod integration   349
Automatic climate control, front   670
Navigation system   1,116
CD changer, remote   418
Options (change) 1,725 5,875
Options (change) 638 5,462
Destination 995 875
Gas Tax 0 1,300
Total Price $116,320 $71,250

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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

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

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Cayenne Turbo
TrueDelta Adjusted Price Difference: $39,425
TrueDelta Adjusted Invoice Difference: $64,859
Model Year20152008
ModelCayenneSLK
TrimTurboSLK55 AMG
Body4dr SUV2dr Hardtop conv.
Engine520hp V8355hp V8
TransmissionT8T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/21 MPG14/20 MPG
Audio (watts, speakers)585, 14380, 11
Tire (rear if not all the same)265/50-19225/40-18
Total Price$116,320$71,250
Adjustments for Features-5,6450
Feature-Adjusted Total Price$110,675$71,250

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Features Comparison: Porsche Cayenne vs. Mercedes-Benz SLK

Model Year20152008
ModelCayenneSLK
TrimTurboSLK55 AMG
Body4dr SUV2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Air compressor$35 
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, passenger $75
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rear side airbags$300 
Rollover sensor$50 
Secondary collision brake assist$25 
Side curtain airbags$350 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo cover$75 
Cargo net$40 
Liftglass or two-piece tailgate$150 
Rear seat pass-through$100 
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 
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Active grille shutters$0 
Body kit $0
Bodyside cladding$350 
Deep-tinted rear windows$275 
Power retractable hardtop $6750
Sunroof$900 
Infotainment 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-Audio-compatible player$0 
HD radio$50 
iPod integration $100
Media drive$15 
MP3-compatible player$50 
Off-road navigation system$0 
Telematics service, such as OnStar $200
Traffic + travel information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Boost gauge$75 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
LED headlights$1000 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights $500
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
Center armrest(s), second row$50 
Folding second row seats$300 
Heated second row seats$200 
Manual fore-aft adjuster, second row seats$75 
Manual recliner, second row seats$75 
No leather in second row $-300
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
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$14,655$9,010
Value of Feature Adjustments$5,645$0
Value of Feature Adjustments-790

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Specifications Comparison: Porsche Cayenne vs. Mercedes-Benz SLK

Model Year20152008
ModelCayenneSLK
Body4dr SUV2dr Hardtop conv.
Wheelbase114.0 in95.7 in
Length191.1 in160.7 in
Width78.7 in70.4 in
Height67.4 in51.0 in
Curb Weight4,817 lb.3,420 lb.
Fuel Capacity22.4 gal.18.5 gal.
Row 1 Headroom0.0 in37.9 in
Row 1 Shoulder Room0.0 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom0.0 in42.5 in
Cargo Volume,
Minimum
23.7 ft36.5 ft3
Cargo Volume,
Maximum
62.9 ft39.8 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
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%

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