Porsche Cayman Porsche Cayman 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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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: $70,025

Mercedes-Benz SLK SLK55 AMG   
Difference: $5,065

Lowest Total Invoice: $65,267

Mercedes-Benz SLK SLK55 AMG   
Difference: $24

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082007
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $59,100 $62,500
Base Invoice $51,567 $58,125
Preferred Package 2,190  
Xenon HID headlights 1,090  
Adaptive Sports Seats 3,055  
5-speed shiftable automatic 2,805  
Navigation system 3,110 1,200
Automatic climate control, front 550 710
CD changer, remote 650 440
Audio controls on steering wheel 990  
Metallic paint (extra cost) 690 700
Lighting Package   1,000
Premium II Package   1,400
Preferred Package 1,862  
Xenon HID headlights 927  
Adaptive Sports Seats 2,597  
5-speed shiftable automatic 2,384  
Navigation system 2,644 1,116
Automatic climate control, front 468 660
CD changer, remote 553 409
Audio controls on steering wheel 842  
Metallic paint (extra cost) 587 650
Lighting Package   930
Premium II Package   1,302
Options (change) 15,130 5,450
Options (change) 12,864 5,067
Destination 860 775
Gas Tax 0 1,300
Total Price $75,090 $70,025
Total Invoice $65,291 $65,267

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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 and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $12,620
TrueDelta Adjusted Invoice Difference: $7,066
Model Year20082007
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine295hp H6355hp V8
TransmissionT5T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG16/22 MPG
Audio (watts, speakers)325, 11380, 11
Tire (rear if not all the same)235/40-18225/40-18
Total Price$75,090$70,025
Adjustments for Features0-7,555
Feature-Adjusted Total Price$75,090$62,470
Total Invoice$65,291$65,267
Adjustments for Features0-7,042
Feature-Adjusted Total Invoice$65,291$58,225

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20082007
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
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 
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Tire-pressure monitor$75 
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 
Aux input $50
Satellite radio $200
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
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, driver 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
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,505$10,060
Value of Feature Adjustments$0$7,555
Value of Feature Adjustments0-7,042

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20082007
ModelCaymanSLK
Body2dr Hatch2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length170.9 in160.7 in
Width70.9 in70.4 in
Height51.4 in51.0 in
Curb Weight3,163 lb.3,420 lb.
Fuel Capacity17.0 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

Preferred Package
FeatureValueRequested?
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Total Requested85067%
Total Not Requested42533%
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 tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
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
Total Requested80059%
Total Not Requested55041%

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?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Total Requested25038%
Total Not Requested40062%

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