Porsche Cayman Porsche Cayman 2011 Mercedes-Benz SL Mercedes-Benz SL 2015

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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: $89,495

Porsche Cayman R   
Difference: $136,930

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112015
ModelCaymanSL
TrimRSL65 AMG
Body2dr Hatch2dr Hardtop conv.
Base Price $66,300 $215,250
Auto-dimming mirrors 690  
Leather sport seats 0  
Xenon HID headlights 1,560  
Navigation system 3,110  
Unbranded 235W 9 speakers 0  
Sport Chrono Package 960  
Metallic paint (extra cost) 710  
Air conditioning 1,760  
Aux input 0  
Floor mats 0  
Heated front seats 525  
Upholstered instrument panel, leather 3,655  
Bluetooth cell phone link 0  
Voice control for nav and audio 595  
Obstacle detection, rear 530  
Ceramic brake rotors 8,150 8,950
6-speed manual 0  
Wood trim   0
Auto-dimming mirrors 0  
Leather sport seats 0  
Xenon HID headlights 0  
Navigation system 0  
Unbranded 235W 9 speakers 0  
Sport Chrono Package 0  
Metallic paint (extra cost) 0  
Air conditioning 0  
Aux input 0  
Floor mats 0  
Heated front seats 0  
Upholstered instrument panel, leather 0  
Bluetooth cell phone link 0  
Voice control for nav and audio 0  
Obstacle detection, rear 451  
Ceramic brake rotors 0 8,324
6-speed manual 0  
Wood trim   0
Options (change) 22,245 8,950
Options (change) 451 8,324
Destination 950 925
Gas Tax 0 1,300
Total Price $89,495 $226,425

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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 R
TrueDelta Adjusted Price Difference: $109,620
TrueDelta Adjusted Invoice Difference: $183,914
Model Year20112015
ModelCaymanSL
TrimRSL65 AMG
Body2dr Hatch2dr Hardtop conv.
Engine330hp H6621hp V12
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/27 MPG16/25 MPG
Audio (watts, speakers)235, 9900, 12
Tire (rear if not all the same)235/35-19255/35-19
Total Price$89,495$226,425
Adjustments for Features0-27,310
Feature-Adjusted Total Price$89,495$199,115

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year20112015
ModelCaymanSL
TrimRSL65 AMG
Body2dr Hatch2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Adaptive cruise control, all-speed $850
Cruise control$150 
Hands-free trunk or liftgate $100
Power door closers $300
Power trunk closer $350
Proximity key $250
Remote app $25
Remote window/roof operation $15
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Wind blocker, power small $300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot collision prevention $150
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention $150
Lane departure warning $200
Night vision $1750
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rearview camera $200
Side curtain airbags $350
Torque vectoring, brake-based $100
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Storage compartment under front seat(s) $50
Climate Control 
Adaptive windshield washer system $0
Automatic air recirculation $100
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Wiper de-icer $25
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Raised top speed limiter $0
Exterior 
Electronically-variable tint, sunroof or glass roof panel $2000
Glass roof panel(s) $300
Power retractable hardtop $6750
Rear spoiler $200
Tall rear wing-type spoiler$500 
Infotainment 
App support $0
Audio controls on steering wheel $125
Bluetooth audio streaming $25
DVD-Audio-compatible player$0 
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
iPod integration $100
Navigation map updates, three years $0
Off-road navigation system$0 
Satellite radio $200
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
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Cornering lights $50
Mirror tilt-down in reverse $25
Turn signals on or near mirrors $25
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Automatic seat bolsters, front passenger $300
Cooled or ventilated front seats $300
Door sill trim plates$100 
Illuminated door sill trim plates $200
Interior trim, special color$0 
Leather headliner $1000
Manual height adjuster, driver seat$50 
Manual height adjuster, passenger seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, driver seat $200
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power fore-aft adjuster, driver seat $100
Power fore-aft adjuster, passenger seat $100
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power height adjuster, driver seat $100
Power height adjuster, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Synthetic suede inserts in leather seating surfaces$0 
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$1,405$28,715
Value of Feature Adjustments$0$27,310
Value of Feature Adjustments0-25,417

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year20112015
ModelCaymanSL
Body2dr Hatch2dr Hardtop conv.
Wheelbase95.1 in101.8 in
Length171.1 in181.8 in
Width70.9 in73.9 in
Height51.4 in51.8 in
Curb Weight2,855 lb.4,068 lb.
Fuel Capacity16.9 gal.19.8 gal.
Row 1 Headroom0.0 in39.1 in
Row 1 Shoulder Room0.0 in55.5 in
Row 1 Legroom0.0 in42.9 in
Cargo Volume,
Minimum
14.5 ft38.5 ft3
Cargo Volume,
Maximum
14.513.5 ft3

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Option Package Details
Porsche Cayman R

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%
Leather sport seats
FeatureValueRequested?
Manual height adjuster, driver seat50No
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Manual height adjuster, passenger seat50No
Total Requested20067%
Total Not Requested10033%
Sport Chrono Package
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Total Requested300100%
Total Not Requested00%

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