Porsche Cayman Porsche Cayman 2016 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: $78,735

Mercedes-Benz SLK SLK55 AMG   
Difference: $20,070

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162015
ModelCaymanSLK
TrimGT4SLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $84,600 $70,900
Porsche Dynamic Light System 690  
Adaptive sport seats plus 3,025  
Auto-dimming mirrors 690  
PCM 2,965  
Automatic climate control, front 760 760
Metallic paint (extra cost) 710 720
Interior ambient lighting 340  
Heated front seats 530  
HD radio 1,040  
Illuminated door sill trim plates 825 850
Carbon fiber trim 905 2,250
Voice control for nav and audio 520  
App support 210  
6-speed manual 0  
Multimedia Package   2,330
Porsche Dynamic Light System 0  
Adaptive sport seats plus 0  
Auto-dimming mirrors 0  
PCM 0  
Automatic climate control, front 0 707
Metallic paint (extra cost) 0 670
Interior ambient lighting 0  
Heated front seats 0  
HD radio 0  
Illuminated door sill trim plates 0 791
Carbon fiber trim 0 2,093
Voice control for nav and audio 0  
App support 0  
6-speed manual 0  
Multimedia Package   2,167
Options (change) 13,210 6,910
Options (change) 0 6,428
Destination 995 925
Total Price $98,805 $78,735

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Cayman GT4
TrueDelta Adjusted Price Difference: $28,350
TrueDelta Adjusted Invoice Difference: $64,588
Model Year20162015
ModelCaymanSLK
TrimGT4SLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine385hp H6415hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/23 MPG19/28 MPG
Audio (watts, speakers)235, 9500, 11
Tire (rear if not all the same)245/35-20235/40-18
Total Price$98,805$78,735
Adjustments for Features0-8,280
Feature-Adjusted Total Price$98,805$70,455

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20162015
ModelCaymanSLK
TrimGT4SLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Remote app $25
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Driver drowsiness monitor $150
Roll bar $200
Temporary spare tire $150
Cargo Management 
Cargo net$40 
Climate Control 
Automatic air recirculation$100 
Water-repellent front-door glass$15 
Drivetrain 
Electronically-variable engine mounts (performance-oriented)$500 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking$0 
Exterior 
Black exterior trim (optional)$0 
Body kit $0
Bright-finished exhaust tip(s) $25
Glass roof panel(s) $300
Painted brake calipers (optional)$0 
Power retractable hardtop $6750
Rear spoiler $200
Tall rear wing-type spoiler$500 
Infotainment 
Audio controls on steering wheel $125
DVD-Audio-compatible player$0 
DVD-compatible player $0
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
Surround sound $250
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 
Compass $0
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 
Leather door panel trim $250
Leather-wrapped steering wheel $150
Memory system, passenger seat $150
Neck-level heating, front seats $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 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Synthetic suede door panel trim$250 
Synthetic suede steering wheel$150 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Downshift rev matching$50 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,855$11,135
Value of Feature Adjustments$0$8,280
Value of Feature Adjustments0-7,707

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SLK

Model Year20162015
ModelCaymanSLK
Body2dr Hatch2dr Hardtop conv.
Wheelbase97.4 in95.7 in
Length172.4 in162.8 in
Width70.9 in71.5 in
Height50.9 in51.2 in
Curb Weight2,955 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
15.0 ft36.4 ft3
Cargo Volume,
Maximum
15.010.1 ft3

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Option Package Details
Porsche Cayman GT4

Porsche Dynamic Light System
FeatureValueRequested?
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested200100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested110065%
Total Not Requested60035%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
PCM
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
USB port25Yes
Total Requested665100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Total Requested325100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
DVD-compatible player0No
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0Yes
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested74081%
Total Not Requested17519%

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