Porsche Cayman Porsche Cayman 2010 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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Porsche Cayman 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 Cayman vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $73,035

Mercedes-Benz SLK SLK55 AMG   
Difference: $7,230

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102009
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $61,500 $65,700
7-speed automated manual 3,420  
iPod integration 440  
Navigation system 3,110  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,560  
Metallic paint (extra cost) 710 720
Heated front seats 510  
CD changer, in-dash 650  
Bluetooth cell phone link 695  
Audio controls on steering wheel 990  
Floor mats 90  
Satellite radio 750  
Automatic climate control, front 550 730
Voice control for nav and audio 595  
Lighting Package   1,030
Multimedia Package   2,980
7-speed automated manual 0  
iPod integration 0  
Navigation system 0  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Xenon HID headlights 0  
Metallic paint (extra cost) 0 670
Heated front seats 0  
CD changer, in-dash 553  
Bluetooth cell phone link 0  
Audio controls on steering wheel 842  
Floor mats 0  
Satellite radio 0  
Automatic climate control, front 468 679
Voice control for nav and audio 0  
Lighting Package   958
Multimedia Package   2,771
Options (change) 17,815 5,460
Options (change) 5,047 5,078
Destination 950 875
Gas Tax 0 1,000
Total Price $80,265 $73,035

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

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $14,885
TrueDelta Adjusted Invoice Difference: $54,924
Model Year20102009
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine320hp H6355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/29 MPG14/22 MPG
Audio (watts, speakers)235, 9380, 11
Tire (rear if not all the same)235/40-18225/40-18
Total Price$80,265$73,035
Adjustments for Features0-7,655
Feature-Adjusted Total Price$80,265$65,380

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20102009
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Knee airbag, driver $75
Knee airbag, passenger $75
Temporary spare tire $150
Cargo Management 
Cargo net$40 
Climate Control 
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Body kit $0
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
DVD-Audio-compatible player$0 
DVD-compatible player $0
MP3-compatible player $50
Off-road navigation system$0 
SD Card slot $25
Surround sound $250
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Cornering lights $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Memory system, passenger seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Total Value of Features$2,630$10,285
Value of Feature Adjustments$0$7,655
Value of Feature Adjustments0-7,133

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20102009
ModelCaymanSLK
Body2dr Hatch2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length171.1 in160.7 in
Width70.9 in70.4 in
Height51.4 in51.0 in
Curb Weight3,075 lb.3,420 lb.
Fuel Capacity16.9 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
14.5 ft36.5 ft3
Cargo Volume,
Maximum
14.59.8 ft3

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Option Package Details
Porsche Cayman S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested95070%
Total Not Requested40030%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25No
Total Requested71553%
Total Not Requested62547%

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