Porsche Cayman Porsche Cayman 2009 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: $94,190

Porsche Cayman S   
Difference: $64,235

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920152015
ModelCaymanSLSL
TrimSSL63 AMGSL65 AMG
Body2dr Hatch2dr Hardtop conv.2dr Hardtop conv.
Base Price $60,200 $148,050 $215,250
Adaptive Sports Seats 3,055    
Auto-dimming rearview mirror 690    
iPod integration 440    
Navigation system 3,110    
Xenon HID headlights 1,560    
Sport Chrono Package 960    
Adaptive dampers - electrical 1,990    
Metallic paint (extra cost) 710    
Wood trim 890 0 0
Upholstered instrument panel, leather 2,025    
Satellite radio 750    
Bluetooth cell phone link 695    
Automatic climate control, front 550    
Audio controls on steering wheel 990    
Floor mats 90    
Heated front seats 500    
Voice control for nav and audio 595    
Illuminated door sill trim plates 725    
Cooled or ventilated front seats 800    
Obstacle detection, rear 530    
Synthetic suede headliner 1,180    
Limited-slip rear differential 950    
Synthetic suede steering wheel 1,105 500 0
Ceramic brake rotors 8,150 8,950 8,950
Adaptive Sports Seats 2,597    
Auto-dimming rearview mirror 587    
iPod integration 0    
Navigation system 0    
Xenon HID headlights 0    
Sport Chrono Package 0    
Adaptive dampers - electrical 1,692    
Metallic paint (extra cost) 0    
Wood trim 757 0 0
Upholstered instrument panel, leather -306    
Satellite radio 0    
Bluetooth cell phone link 0    
Automatic climate control, front 468    
Audio controls on steering wheel 842    
Floor mats 0    
Heated front seats 0    
Voice control for nav and audio 0    
Illuminated door sill trim plates 616    
Cooled or ventilated front seats 0    
Obstacle detection, rear 451    
Synthetic suede headliner 1,003    
Limited-slip rear differential 0    
Synthetic suede steering wheel 0 465 0
Ceramic brake rotors 6,928 8,324 8,324
Options (change) 33,040 9,450 8,950
Options (change) 15,635 8,789 8,324
Destination 950 925 925
Gas Tax 0 0 1,300
Total Price $94,190 $158,425 $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 S
TrueDelta Adjusted Price Difference: $46,675
TrueDelta Adjusted Invoice Difference: $114,478
Model Year200920152015
ModelCaymanSLSL
TrimSSL63 AMGSL65 AMG
Body2dr Hatch2dr Hardtop conv.2dr Hardtop conv.
Engine320hp H6577hp V8621hp V12
TransmissionM6T7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9600, 11900, 12
Tire (rear if not all the same)235/40-18255/35-19255/35-19
Total Price$94,190$158,425$226,425
Adjustments for Features0-17,560-23,860
Feature-Adjusted Total Price$94,190$140,865$202,565
Cost Above Minimum$0$0$61,700

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year200920152015
ModelCaymanSLSL
TrimSSL63 AMGSL65 AMG
Body2dr Hatch2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150  
7-speed manually-shiftable automatic $1200$1200
RWD$0$0$0
Accessories 
Adaptive cruise control, all-speed  $850
Cruise control$150$150 
Hands-free trunk or liftgate $100$100
Power door closers  $300
Power trunk closer $350$350
Proximity key $250$250
Remote app $25$25
Remote window/roof operation $15$15
Semi-automated parking system $500$500
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Auto-raising roll bars / headrests $500$500
Automatic braking, high-speed or partial  $200
Automatic braking, low-speed  $200
Blind spot collision prevention  $150
Blind spot warning system  $200
Brake- or yaw-sensor-initiated collision preparation system $0 
Driver drowsiness monitor $150$150
Forward collision warning  $200
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Lane departure prevention  $150
Lane departure warning  $200
Night vision  $1750
Obstacle detection, front $150$150
Radar- or camera-based collision preparation system  $0
Rearview camera $200$200
Side curtain airbags $350$350
Torque vectoring, brake-based $100$100
Cargo Management 
Air-conditioned storage compartment $50$50
Cargo net$40  
Storage compartment under front seat(s) $50$50
Climate Control 
Adaptive windshield washer system $0$0
Automatic air recirculation $100$100
Dual-zone climate control $125$125
Residual heat $50$50
Water-repellent front-door glass$15  
Wiper de-icer $25$25
Engine / Motor 
Automatic start / stop $150$150
Mid-engine configuration$0  
Raised top speed limiter $0$0
Exterior 
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Retractable rear spoiler$400  
Infotainment 
App support $0$0
Bluetooth audio streaming $25$25
DVD-Audio-compatible player$0  
DVD-compatible player $0$0
HD radio $50$50
In-vehicle Internet $150$150
MP3-compatible player $50$50
Navigation map updates, three years $0$0
Off-road navigation system$0  
SD Card slot $25$25
SMS text-to-speech reader $25$25
Surround sound $250$250
Telematics service, such as OnStar, with navigation $225$225
Traffic + travel information $25$25
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror$75  
Automatic headlights $125$125
Cornering lights $50$50
Mirror tilt-down in reverse $25$25
Turn signals on or near mirrors $25$25
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$300
Leather headliner  $1000
Massage, driver seat $100$100
Massage, passenger seat $100$100
Memory system, passenger seat $150$150
Neck-level heating, front seats $150$150
Power 4-way lumbar adjuster, passenger seat $150$150
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
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$100
Power thigh support length adjuster, passenger seat $100$100
Synthetic suede headliner$650$650 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Sport suspension (upgrade) $0$0
Transmission 
Launch control$100$100 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$2,730$20,290$26,590
Value of Feature Adjustments$0$17,560$23,860
Value of Feature Adjustments0-16,338-22,206

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year20092015
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 Weight2,977 lb.3,936 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 S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Launch control100Yes
Total Requested400100%
Total Not Requested00%

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