Porsche Cayman Porsche Cayman 2009 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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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: $71,250

Mercedes-Benz SLK SLK55 AMG   
Difference: $7,110

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092008
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $60,200 $63,200
7-speed automated manual 3,420  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,560  
iPod integration 440 375
Navigation system 3,110 1,200
Metallic paint (extra cost) 710 710
Heated front seats 500  
Satellite radio 750  
Audio controls on steering wheel 990  
Floor mats 90  
Automatic climate control, front 550 720
Bluetooth cell phone link 695  
CD changer, in-dash 650  
Lighting Package   1,010
Premium II Package   1,410
CD changer, remote   450
7-speed automated manual 0  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Xenon HID headlights 0  
iPod integration 0 349
Navigation system 0 1,116
Metallic paint (extra cost) 0 659
Heated front seats 0  
Satellite radio 0  
Audio controls on steering wheel 842  
Floor mats 0  
Automatic climate control, front 468 670
Bluetooth cell phone link 0  
CD changer, in-dash 553  
Lighting Package   939
Premium II Package   1,311
CD changer, remote   418
Options (change) 17,210 5,875
Options (change) 5,047 5,462
Destination 950 875
Gas Tax 0 1,300
Total Price $78,360 $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 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: $14,675
TrueDelta Adjusted Invoice Difference: $53,365
Model Year20092008
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine320hp H6355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/29 MPG14/20 MPG
Audio (watts, speakers)235, 9380, 11
Tire (rear if not all the same)235/40-18225/40-18
Total Price$78,360$71,250
Adjustments for Features0-7,565
Feature-Adjusted Total Price$78,360$63,685

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20092008
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 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-Audio-compatible player$0 
Media drive$15 
Off-road navigation system$0 
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$2,970$10,535
Value of Feature Adjustments$0$7,565
Value of Feature Adjustments0-7,051

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20092008
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
Power fore-aft adjuster, passenger seat100Yes
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
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%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested15020%
Total Not Requested60080%

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