Mercedes-Benz SLK Mercedes-Benz SLK 2009 Porsche 718 Cayman Porsche 718 Cayman 2017

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Mercedes-Benz SLK vs. Porsche 718 Cayman 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.

Mercedes-Benz SLK vs. Porsche 718 Cayman Invoice Comparison

Lowest Total Price: $68,230

Porsche 718 Cayman   
Difference: $4,805

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092017
ModelSLK718 Cayman
TrimSLK55 AMGBase
Body2dr Hardtop conv.2dr Hatch
Base Price $65,700 $53,900
Multimedia Package 2,980  
Lighting Package 1,030  
Metallic paint (extra cost) 720 640
Automatic climate control, front 730  
Adaptive sport seats plus   3,825
Premium Package   1,780
Heated steering wheel   470
7-speed automated manual   3,200
Interior ambient lighting   340
Metal pedals   535
Navigation system   1,730
Aluminum trim   760
Multimedia Package 2,771  
Lighting Package 958  
Metallic paint (extra cost) 670 0
Automatic climate control, front 679  
Adaptive sport seats plus   0
Premium Package   0
Heated steering wheel   0
7-speed automated manual   0
Interior ambient lighting   0
Metal pedals   0
Navigation system   0
Aluminum trim   0
Options (change) 5,460 13,280
Options (change) 5,078 0
Destination 875 1,050
Gas Tax 1,000 0
Total Price $73,035 $68,230

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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 Mercedes-Benz SLK dealer quotes or Porsche 718 Cayman dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SLK vs. Porsche 718 Cayman

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche 718 Cayman
TrueDelta Adjusted Price Difference: $710
TrueDelta Adjusted Invoice Difference: $61,865
Model Year20092017
ModelSLK718 Cayman
TrimSLK55 AMGBase
Body2dr Hardtop conv.2dr Hatch
Engine355hp V8300hp H4
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/22 MPG22/30 MPG
Audio (watts, speakers)380, 11110, 6
Tire (rear if not all the same)225/40-18235/45-18
Total Price$73,035$68,230
Adjustments for Features-5,5150
Feature-Adjusted Total Price$67,520$68,230

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Features Comparison: Mercedes-Benz SLK vs. Porsche 718 Cayman

Model Year20092017
ModelSLK718 Cayman
TrimSLK55 AMGBase
Body2dr Hardtop conv.2dr Hatch
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0$0
Accessories 
Heated steering wheel $100
Remote window/roof operation$15 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Obstacle detection, front $150
Obstacle detection, rear $250
Rearview camera $200
Side curtain airbags $350
Temporary spare tire$150 
Cargo Management 
Cargo net $40
Climate Control 
Automatic air recirculation $100
Water-repellent front-door glass $15
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Body kit$0 
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
HD radio $50
iPod integration$100 
Media drive$15 
Media drive, small $5
Off-road navigation system $0
Surround sound$250 
Telematics service, such as OnStar$200 
USB port $25
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Cornering lights$50 
Fog lights$125 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Mirror tilt-down in reverse$25 
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 
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 inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Total Value of Features$9,825$4,310
Value of Feature Adjustments$5,515$0
Value of Feature Adjustments-5,1390

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche 718 Cayman

Model Year20092017
ModelSLK718 Cayman
Body2dr Hardtop conv.2dr Hatch
Wheelbase95.7 in97.4 in
Length160.7 in172.4 in
Width70.4 in70.9 in
Height51.0 in51.0 in
Curb Weight3,420 lb.3,010 lb.
Fuel Capacity18.5 gal.14.3 gal.
Row 1 Headroom37.9 in0.0 in
Row 1 Shoulder Room52.2 in0.0 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in0.0 in
Cargo Volume,
Minimum
6.5 ft315.0 ft3
Cargo Volume,
Maximum
9.8 ft315.0 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25Yes
Total Requested62547%
Total Not Requested71553%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%

Option Package Details
Porsche 718 Cayman

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Total Requested100100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
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 length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested120067%
Total Not Requested60033%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50Yes
Total Requested95075%
Total Not Requested32525%

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