Mercedes-Benz SLK Mercedes-Benz SLK 2015 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: $80,355

Mercedes-Benz SLK SLK55 AMG   
Difference: $50,250

Lowest Total Invoice: $74,797

Mercedes-Benz SLK SLK55 AMG   
Difference: $36,366

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152009
ModelSLKCayenne
TrimSLK55 AMGTurbo S
Body2dr Hardtop conv.4dr SUV
Base Price $70,900 $123,600
Base Invoice $65,937 $105,060
Multimedia Package 2,330  
Obstacle detection, rear 970  
Automatic climate control, front 760  
Metallic paint (extra cost) 720  
Carbon fiber trim 2,250  
Illuminated door sill trim plates 850 915
Proximity key 650 995
Light Comfort Package   610
iPod integration   440
Satellite radio   750
Compass   95
Floor mats   140
Bluetooth cell phone link   695
Body kit   1,390
Multimedia Package 2,167  
Obstacle detection, rear 902  
Automatic climate control, front 707  
Metallic paint (extra cost) 670  
Carbon fiber trim 2,093  
Illuminated door sill trim plates 791 778
Proximity key 605 846
Light Comfort Package   519
iPod integration   374
Satellite radio   638
Compass   81
Floor mats   119
Bluetooth cell phone link   591
Body kit   1,182
Options (change) 8,530 6,030
Options (change) 7,935 5,128
Destination 925 975
Total Price $80,355 $130,605
Total Invoice $74,797 $111,163

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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 Mercedes-Benz SLK dealer quotes or Porsche Cayenne dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $50,170
TrueDelta Adjusted Invoice Difference: $36,298
Model Year20152009
ModelSLKCayenne
TrimSLK55 AMGTurbo S
Body2dr Hardtop conv.4dr SUV
Engine415hp V8550hp V8
TransmissionT7T6
DrivetrainRWDAWD w/4L
EPA Fuel Economy (city/highway)19/28 MPG12/19 MPG
Audio (watts, speakers)500, 11410, 14
Tire (rear if not all the same)235/40-18295/35-21
Total Price$80,355$130,605
Adjustments for Features0-80
Feature-Adjusted Total Price$80,355$130,525
Total Invoice$74,797$111,163
Adjustments for Features0-68
Feature-Adjusted Total Invoice$74,797$111,095

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Features Comparison: Mercedes-Benz SLK vs. Porsche Cayenne

Model Year20152009
ModelSLKCayenne
TrimSLK55 AMGTurbo S
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
Parking guidance system - passive$250 
Power liftgate $350
Power rear side windows $200
Remote app$25 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Driver drowsiness monitor$150 
Hill descent control $250
Knee airbag, driver$75 
Knee airbag, passenger$75 
Roll bar$200 
Rollover sensor $50
Torque vectoring, brake-based$100 
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
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Exterior 
Deep-tinted rear windows $275
Glass roof panel(s)$300 
Power retractable hardtop$6750 
Wheel-lip moldings $75
Infotainment 
App support$0 
Bluetooth audio streaming$25 
HD radio$50 
In-vehicle Internet$150 
Navigation map updates, three years$0 
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
Traffic information $25
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Cornering lights $50
Fog lights $125
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
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
Neck-level heating, front seats$150 
No leather in second row$-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 
Active stabilizer bars $500
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$10,435$10,515
Value of Feature Adjustments$0$80
Value of Feature Adjustments0-68

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Cayenne

Model Year20152009
ModelSLKCayenne
Body2dr Hardtop conv.4dr SUV
Wheelbase95.7 in112.4 in
Length162.8 in188.9 in
Width71.5 in76.0 in
Height51.2 in66.9 in
Curb Weight3,583 lb.5,192 lb.
Fuel Capacity15.9 gal.26.4 gal.
Row 1 Headroom38.0 in39.7 in
Row 1 Shoulder Room52.2 in58.5 in
Row 1 Hip Room0.0 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
6.4 ft319.1 ft3
Cargo Volume,
Maximum
10.1 ft362.5 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested74081%
Total Not Requested17519%

Option Package Details
Porsche Cayenne Turbo S

iPod integration
FeatureValueRequested?
Aux input50Yes
Media drive, large15Yes
USB port25Yes
Total Requested90100%
Total Not Requested00%
Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25Yes
Total Requested225100%
Total Not Requested00%
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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