Porsche Cayman Porsche Cayman 2016 Mercedes-Benz SL Mercedes-Benz SL 2009

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Porsche Cayman vs. Mercedes-Benz SL 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 SL Invoice Comparison

Lowest Total Price: $99,080

Porsche Cayman GT4   
Difference: $40,095

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162009
ModelCaymanSL
TrimGT4SL63 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $84,600 $135,000
PCM 2,965  
Adaptive sport seats plus 3,025  
Automatic climate control, front 760  
Auto-dimming mirrors 690  
Porsche Dynamic Light System 690  
Metallic paint (extra cost) 710  
CD changer, in-dash 670  
Upholstered instrument panel, leather 1,090  
Satellite radio 670  
Voice control for nav and audio 520  
Interior ambient lighting 340  
Heated front seats 530  
Illuminated door sill trim plates 825 700
6-speed manual 0  
Wood trim   0
PCM 0  
Adaptive sport seats plus 0  
Automatic climate control, front 0  
Auto-dimming mirrors 0  
Porsche Dynamic Light System 0  
Metallic paint (extra cost) 0  
CD changer, in-dash 0  
Upholstered instrument panel, leather 0  
Satellite radio 0  
Voice control for nav and audio 0  
Interior ambient lighting 0  
Heated front seats 0  
Illuminated door sill trim plates 0 651
6-speed manual 0  
Wood trim   0
Options (change) 13,485 700
Options (change) 0 651
Destination 995 875
Gas Tax 0 2,600
Total Price $99,080 $139,175

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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 SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Cayman GT4
TrueDelta Adjusted Price Difference: $27,735
TrueDelta Adjusted Invoice Difference: $117,165
Model Year20162009
ModelCaymanSL
TrimGT4SL63 AMG
Body2dr Hatch2dr Hardtop conv.
Engine385hp H6518hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/23 MPG12/19 MPG
Audio (watts, speakers)235, 9510, 10
Tire (rear if not all the same)245/35-20255/35-19
Total Price$99,080$139,175
Adjustments for Features0-12,360
Feature-Adjusted Total Price$99,080$126,815

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year20162009
ModelCaymanSL
TrimGT4SL63 AMG
Body2dr Hatch2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Remote window/roof operation $15
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Knee airbag, passenger$75 
Side curtain airbags$350 
Temporary spare tire $150
Torque vectoring, brake-based$100 
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Storage compartment under front seat(s) $50
Climate Control 
Water-repellent front-door glass$15 
Wiper de-icer $25
Drivetrain 
Electronically-variable engine mounts (performance-oriented)$500 
Limited-slip rear differential$300 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Mid-engine configuration$0 
Regenerative braking$0 
Exterior 
Black exterior trim (optional)$0 
Body kit $0
Bright-finished exhaust tip(s) $25
Painted brake calipers (optional)$0 
Power retractable hardtop $6750
Tall rear wing-type spoiler$500 
Infotainment 
Audio controls on steering wheel $125
Bluetooth audio streaming$25 
DVD-Audio-compatible player$0 
DVD-compatible player $0
iPod integration $100
Off-road navigation system$0 
SD Card slot $25
Surround sound $250
Telematics service, such as OnStar $200
Traffic information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Fog lights $125
Mirror tilt-down in reverse $25
Turn signals on or near mirrors $25
Seats and Interior Trim 
Aluminum trim$100 
Leather door panel trim $250
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede door panel trim$250 
Synthetic suede headliner $650
Synthetic suede inserts in leather seating surfaces$0 
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Downshift rev matching$50 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,280$15,640
Value of Feature Adjustments$0$12,360
Value of Feature Adjustments0-11,516

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year20162009
ModelCaymanSL
Body2dr Hatch2dr Hardtop conv.
Wheelbase97.4 in100.8 in
Length172.4 in180.4 in
Width70.9 in71.5 in
Height50.9 in51.1 in
Curb Weight2,955 lb.4,274 lb.
Fuel Capacity16.9 gal.21.1 gal.
Row 1 Headroom0.0 in37.7 in
Row 1 Shoulder Room0.0 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom0.0 in42.9 in
Cargo Volume,
Minimum
15.0 ft37.2 ft3
Cargo Volume,
Maximum
15.010.2 ft3

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Option Package Details
Porsche Cayman GT4

PCM
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0Yes
Traffic information25No
Off-road navigation system0No
Media drive15Yes
USB port25Yes
Total Requested64096%
Total Not Requested254%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Power thigh support adjuster, passenger seat100Yes
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 adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Total Requested150088%
Total Not Requested20012%
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%
Porsche Dynamic Light System
FeatureValueRequested?
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested200100%
Total Not Requested00%

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