Porsche Cayman Porsche Cayman 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2014

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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: $78,940

Mercedes-Benz SLK SLK55 AMG   
Difference: $765

Lowest Total Invoice: $69,214

Porsche Cayman S   
Difference: $4,267

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082014
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $59,100 $68,925
Base Invoice $51,567 $64,100
Preferred Package 2,190  
Adaptive Sports Seats 3,055  
Xenon HID headlights 1,090  
Metallic paint (extra cost) 690 720
Dual-mode exhaust, switchable 2,100  
Carbon fiber / leather-wrapped steering wheel 1,360  
Automatic climate control, front 550 760
Obstacle detection, rear 530 970
Illuminated door sill trim plates 725 850
Carbon fiber trim 890 2,250
Navigation system 3,110  
5-speed shiftable automatic 2,805  
CD changer, remote 650  
Multimedia Package   2,150
Lighting Package   1,390
Preferred Package 1,862  
Adaptive Sports Seats 2,597  
Xenon HID headlights 927  
Metallic paint (extra cost) 587 670
Dual-mode exhaust, switchable 1,785  
Carbon fiber / leather-wrapped steering wheel 1,156  
Automatic climate control, front 468 707
Obstacle detection, rear 451 902
Illuminated door sill trim plates 616 791
Carbon fiber trim 757 2,093
Navigation system 2,644  
5-speed shiftable automatic 2,384  
CD changer, remote 553  
Multimedia Package   2,000
Lighting Package   1,293
Options (change) 19,745 9,090
Options (change) 16,787 8,456
Destination 860 925
Total Price $79,705 $78,940
Total Invoice $69,214 $73,481

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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: $11,310
TrueDelta Adjusted Invoice Difference: $5,549
Model Year20082014
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine295hp H6415hp V8
TransmissionT5T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG19/28 MPG
Audio (watts, speakers)325, 11500, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$79,705$78,940
Adjustments for Features0-10,545
Feature-Adjusted Total Price$79,705$68,395
Total Invoice$69,214$73,481
Adjustments for Features0-9,816
Feature-Adjusted Total Invoice$69,214$63,665

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20082014
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
Temporary spare tire $150
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
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 
App support $0
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Satellite radio $200
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
USB port $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 
Carbon fiber / leather-wrapped steering wheel$150 
Leather-wrapped steering wheel $150
Memory system, passenger seat $150
Neck-level heating, front seats $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
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,880$13,425
Value of Feature Adjustments$0$10,545
Value of Feature Adjustments0-9,816

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20082014
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

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Option Package Details
Porsche Cayman S

Preferred Package
FeatureValueRequested?
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
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 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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested95070%
Total Not Requested40030%

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%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200Yes
DVD-compatible player0No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested80072%
Total Not Requested31528%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested55061%
Total Not Requested35039%

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