Porsche 718 Cayman Porsche 718 Cayman 2017 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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Porsche 718 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 718 Cayman vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $67,470

Porsche 718 Cayman   
Difference: $3,330

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172008
Model718 CaymanSLK
TrimBaseSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $53,900 $63,200
Premium Package 1,780  
Heated steering wheel 470  
Adaptive sport seats plus 3,825  
7-speed automated manual 3,200  
Navigation system 1,730 1,200
Interior ambient lighting 340  
Metal pedals 535  
Metallic paint (extra cost) 640 710
Lighting Package   1,010
iPod integration   375
Automatic climate control, front   720
Premium II Package   1,410
Premium Package 0  
Heated steering wheel 0  
Adaptive sport seats plus 0  
7-speed automated manual 0  
Navigation system 0 1,116
Interior ambient lighting 0  
Metal pedals 0  
Metallic paint (extra cost) 0 659
Lighting Package   939
iPod integration   349
Automatic climate control, front   670
Premium II Package   1,311
Options (change) 12,520 5,425
Options (change) 0 5,044
Destination 1,050 875
Gas Tax 0 1,300
Total Price $67,470 $70,800

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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

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

Request free, no-obligation Porsche 718 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 718 Cayman vs. Mercedes-Benz SLK

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche 718 Cayman
TrueDelta Adjusted Price Difference: $1,895
TrueDelta Adjusted Invoice Difference: $60,075
Model Year20172008
Model718 CaymanSLK
TrimBaseSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Engine300hp H4355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)22/30 MPG14/20 MPG
Audio (watts, speakers)110, 6380, 11
Tire (rear if not all the same)235/45-18225/40-18
Total Price$67,470$70,800
Adjustments for Features0-5,225
Feature-Adjusted Total Price$67,470$65,575

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

Model Year20172008
Model718 CaymanSLK
TrimBaseSLK55 AMG
Body2dr Hatch2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $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 
DVD-Audio-compatible player$0 
Handwriting recognition$200 
HD radio$50 
iPod integration $100
Media drive, small$5 
MP3-compatible player$50 
Off-road navigation system$0 
SD Card slot$25 
Surround sound $250
Telematics service, such as OnStar $200
USB port$25 
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 
Aluminum trim $100
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$4,260$9,485
Value of Feature Adjustments$0$5,225
Value of Feature Adjustments0-4,870

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

Model Year20172008
Model718 CaymanSLK
Body2dr Hatch2dr Hardtop conv.
Wheelbase97.4 in95.7 in
Length172.4 in160.7 in
Width70.9 in70.4 in
Height51.0 in51.0 in
Curb Weight3,010 lb.3,420 lb.
Fuel Capacity14.3 gal.18.5 gal.
Row 1 Headroom0.0 in37.9 in
Row 1 Shoulder Room0.0 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom0.0 in42.5 in
Cargo Volume,
Minimum
15.0 ft36.5 ft3
Cargo Volume,
Maximum
15.09.8 ft3

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Option Package Details
Porsche 718 Cayman

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%
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
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
Front sport buckets100Yes
Total Requested120067%
Total Not Requested60033%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested15020%
Total Not Requested60080%

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