Porsche Cayman Porsche Cayman 2011 Mercedes-Benz SLK Mercedes-Benz SLK 2015

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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: $79,705

Mercedes-Benz SLK SLK55 AMG   
Difference: $3,340

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112015
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $62,100 $70,900
7-speed automated manual 3,420  
Convenience Package 2,230  
Adaptive Sports Seats 3,055  
Infotainment Package 3,640  
Metallic paint (extra cost) 710 720
Dual-mode exhaust, switchable 2,810  
Heated front seats 525  
Audio controls on steering wheel 615  
Obstacle detection, rear 530 970
Illuminated door sill trim plates 725 850
Carbon fiber trim 1,140 2,250
Voice control for nav and audio 595  
Multimedia Package   2,330
Automatic climate control, front   760
7-speed automated manual 0  
Convenience Package 0  
Adaptive Sports Seats 0  
Infotainment Package 0  
Metallic paint (extra cost) 0 670
Dual-mode exhaust, switchable 0  
Heated front seats 0  
Audio controls on steering wheel 0  
Obstacle detection, rear 451 902
Illuminated door sill trim plates 0 791
Carbon fiber trim 0 2,093
Voice control for nav and audio 0  
Multimedia Package   2,167
Automatic climate control, front   707
Options (change) 19,995 7,880
Options (change) 451 7,330
Destination 950 925
Total Price $83,045 $79,705

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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: $12,770
TrueDelta Adjusted Invoice Difference: $64,013
Model Year20112015
ModelCaymanSLK
TrimSSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine320hp H6415hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/29 MPG19/28 MPG
Audio (watts, speakers)325, 11500, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$83,045$79,705
Adjustments for Features0-9,430
Feature-Adjusted Total Price$83,045$70,275

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20112015
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 
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
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
Bluetooth audio streaming $25
DVD-Audio-compatible player$0 
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
Navigation map updates, three years $0
Off-road navigation system$0 
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
Traffic information$25 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Compass $0
Cornering lights$50 
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
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
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$2,680$12,110
Value of Feature Adjustments$0$9,430
Value of Feature Adjustments0-8,778

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20112015
ModelCaymanSLK
Body2dr Hatch2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length171.1 in162.8 in
Width70.9 in71.5 in
Height51.4 in51.2 in
Curb Weight3,075 lb.3,583 lb.
Fuel Capacity16.9 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

Convenience Package
FeatureValueRequested?
Automatic climate control, front200Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested122591%
Total Not Requested1259%
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%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
Surround sound250Yes
Traffic information25Yes
Off-road navigation system0No
Media drive, large15Yes
Bose, 325W, 11 speakers (with subwoofer)350No
USB port25Yes
Total Requested111576%
Total Not Requested35024%

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?
DVD-compatible player0No
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested74081%
Total Not Requested17519%

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