Porsche Cayman Porsche Cayman 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2015

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $74,480

Porsche Cayman S   
Difference: $2,845

Lowest Total Invoice: $64,757

Porsche Cayman S   
Difference: $7,221

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072015
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $58,900 $70,900
Base Invoice $51,392 $65,937
Front sport buckets 760  
Audio controls on steering wheel 990  
Navigation system 3,070  
Automatic climate control, front 550 760
Obstacle detection, rear 530 970
Carbon fiber trim 890 2,250
5-speed shiftable automatic 3,000  
Preferred Package Plus S 4,995  
Becker Map Pilot   800
Metallic paint (extra cost)   720
Front sport buckets 646  
Audio controls on steering wheel 842  
Navigation system 2,610  
Automatic climate control, front 468 707
Obstacle detection, rear 451 902
Carbon fiber trim 757 2,093
5-speed shiftable automatic 2,550  
Preferred Package Plus S 4,246  
Becker Map Pilot   744
Metallic paint (extra cost)   670
Options (change) 14,785 5,500
Options (change) 12,570 5,116
Destination 795 925
Total Price $74,480 $77,325
Total Invoice $64,757 $71,978

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche Cayman dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $8,035
TrueDelta Adjusted Invoice Difference: $2,907
Model Year20072015
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine295hp H6415hp V8
TransmissionT5T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/27 MPG19/28 MPG
Audio (watts, speakers)325, 11500, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$74,480$77,325
Adjustments for Features0-10,880
Feature-Adjusted Total Price$74,480$66,445
Total Invoice$64,757$71,978
Adjustments for Features0-10,128
Feature-Adjusted Total Invoice$64,757$61,850

Return to top

Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20072015
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 
Parking guidance system - passive $250
Remote app $25
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake assist $50
Driver drowsiness monitor $150
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Roll bar $200
Side curtain airbags $350
Torque vectoring, brake-based $100
Cargo Management 
Cargo net$40 
Climate Control 
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Mid-engine configuration$0 
Exterior 
Body kit $0
Glass roof panel(s) $300
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD changer, remote$200 
HD radio $50
MP3-compatible player $50
Satellite radio $200
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Compass $0
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
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 
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power 4-way lumbar adjuster, passenger seat $150
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$2,205$13,085
Value of Feature Adjustments$0$10,880
Value of Feature Adjustments0-10,128

Return to top

Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20072015
ModelCaymanSLK
Body2dr Hatch2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length170.9 in162.8 in
Width70.9 in71.5 in
Height51.4 in51.2 in
Curb Weight3,163 lb.3,583 lb.
Fuel Capacity17.0 gal.15.9 gal.
Row 1 Headroom0.0 in38.0 in
Row 1 Shoulder Room0.0 in52.2 in
Row 1 Legroom0.0 in42.5 in
Cargo Volume,
Minimum
14.5 ft36.4 ft3
Cargo Volume,
Maximum
14.510.1 ft3

Return to top

Option Package Details
Porsche Cayman S

Preferred Package Plus S
FeatureValueRequested?
CD changer, remote200No
Xenon HID headlights500Yes
Headlight washers50Yes
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
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Auto-dimming passenger-side mirror75No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Total Requested225078%
Total Not Requested62522%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Total Requested20062%
Total Not Requested12538%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Parking guidance system - passive250No
Total Requested25038%
Total Not Requested40062%
Becker Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Traffic information25No
Total Requested60083%
Total Not Requested12517%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.