Porsche Cayenne Porsche Cayenne 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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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: $73,035

Mercedes-Benz SLK SLK55 AMG   
Difference: $25,100

Lowest Total Invoice: $68,054

Mercedes-Benz SLK SLK55 AMG   
Difference: $17,711

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082009
ModelCayenneSLK
TrimTurboSLK55 AMG
Body4dr SUV2dr Hardtop conv.
Base Price $93,700 $65,700
Base Invoice $81,859 $61,101
Light Comfort Package 610  
Body kit 1,390  
Front sport buckets 0  
Floor mats 140  
Satellite radio 750  
CD changer, remote 650  
Lighting Package   1,030
Multimedia Package   2,980
Metallic paint (extra cost)   720
Automatic climate control, front   730
Light Comfort Package 519  
Body kit 1,182  
Front sport buckets 0  
Floor mats 119  
Satellite radio 638  
CD changer, remote 553  
Lighting Package   958
Multimedia Package   2,771
Metallic paint (extra cost)   670
Automatic climate control, front   679
Options (change) 3,540 5,460
Options (change) 3,011 5,078
Destination 895 875
Gas Tax 0 1,000
Total Price $98,135 $73,035
Total Invoice $85,765 $68,054

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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 and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $22,985
TrueDelta Adjusted Invoice Difference: $15,863
Model Year20082009
ModelCayenneSLK
TrimTurboSLK55 AMG
Body4dr SUV2dr Hardtop conv.
Engine500hp V8355hp V8
TransmissionT6T7
DrivetrainAWD w/4LRWD
EPA Fuel Economy (city/highway)12/19 MPG14/22 MPG
Audio (watts, speakers)350, 14380, 11
Tire (rear if not all the same)255/55-18225/40-18
Total Price$98,135$73,035
Adjustments for Features-2,1150
Feature-Adjusted Total Price$96,020$73,035
Total Invoice$85,765$68,054
Adjustments for Features-1,8480
Feature-Adjusted Total Invoice$83,917$68,054

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Features Comparison: Porsche Cayenne vs. Mercedes-Benz SLK

Model Year20082009
ModelCayenneSLK
TrimTurboSLK55 AMG
Body4dr SUV2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD w/low range$2200 
RWD $0
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 
Aux input $50
Bluetooth cell phone link $100
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-compatible player $0
iPod integration $100
Media drive $15
SD Card slot $25
Telematics service, such as OnStar $200
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$11,015$8,900
Value of Feature Adjustments$2,115$0
Value of Feature Adjustments-1,8480

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Specifications Comparison: Porsche Cayenne vs. Mercedes-Benz SLK

Model Year20082009
ModelCayenneSLK
Body4dr SUV2dr Hardtop conv.
Wheelbase112.4 in95.7 in
Length188.9 in160.7 in
Width76.0 in70.4 in
Height66.9 in51.0 in
Curb Weight5,191 lb.3,420 lb.
Fuel Capacity26.4 gal.18.5 gal.
Row 1 Headroom39.7 in37.9 in
Row 1 Shoulder Room58.5 in52.2 in
Row 1 Hip Room57.4 in54.6 in
Row 1 Legroom40.6 in42.5 in
Row 2 Headroom38.9 in0.0 in
Row 2 Shoulder Room56.7 in0.0 in
Row 2 Hip Room53.3 in0.0 in
Row 2 Legroom36.0 in0.0 in
Cargo Volume,
Minimum
19.1 ft36.5 ft3
Cargo Volume,
Maximum
62.5 ft39.8 ft3

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Option Package Details
Porsche Cayenne Turbo

Light Comfort Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Voice control for nav and audio100No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25No
Total Requested85063%
Total Not Requested49037%

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