Mercedes-Benz SL Mercedes-Benz SL 2008 Porsche Cayman Porsche Cayman 2011

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Mercedes-Benz SL vs. Porsche 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 SL vs. Porsche Cayman Invoice Comparison

Lowest Total Price: $83,860

Porsche Cayman R   
Difference: $53,945

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082011
ModelSLCayman
TrimSL600R
Body2dr Hardtop conv.2dr Hatch
Base Price $133,200 $66,300
Obstacle detection, rear 1,130 530
Leather sport seats   0
Auto-dimming mirrors   690
Xenon HID headlights   1,560
CD changer, in-dash   650
Unbranded 235W 9 speakers   0
Metallic paint (extra cost)   710
Bluetooth cell phone link   0
Floor mats   0
Heated front seats   525
Air conditioning   1,760
Upholstered instrument panel, leather   3,655
Navigation system   3,110
7-speed automated manual   3,420
Obstacle detection, rear 1,051 451
Leather sport seats   0
Auto-dimming mirrors   0
Xenon HID headlights   0
CD changer, in-dash   0
Unbranded 235W 9 speakers   0
Metallic paint (extra cost)   0
Bluetooth cell phone link   0
Floor mats   0
Heated front seats   0
Air conditioning   0
Upholstered instrument panel, leather   0
Navigation system   0
7-speed automated manual   0
Options (change) 1,130 16,610
Options (change) 1,051 451
Destination 875 950
Gas Tax 2,600 0
Total Price $137,805 $83,860

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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 SL dealer quotes or Porsche Cayman dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Cayman R
TrueDelta Adjusted Price Difference: $38,625
TrueDelta Adjusted Invoice Difference: $112,726
Model Year20082011
ModelSLCayman
TrimSL600R
Body2dr Hardtop conv.2dr Hatch
Engine510hp V12330hp H6
TransmissionT5S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)11/18 MPG20/29 MPG
Audio (watts, speakers)250, 8235, 9
Tire (rear if not all the same)255/40-18235/35-19
Total Price$137,805$83,860
Adjustments for Features-15,3200
Feature-Adjusted Total Price$122,485$83,860

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Features Comparison: Mercedes-Benz SL vs. Porsche Cayman

Model Year20082011
ModelSLCayman
TrimSL600R
Body2dr Hardtop conv.2dr Hatch
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed automated manual $1200
RWD$0$0
Accessories 
Power trunk closer$350 
Proximity key$250 
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
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, driver$75 
Obstacle detection, front$150 
Temporary spare tire$150 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo net $40
Storage compartment under front seat(s)$50 
Climate Control 
Automatic air recirculation$100 
Dual-zone climate control$125 
Residual heat$50 
Water-repellent front-door glass $15
Wiper de-icer$25 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration $0
Exterior 
Power retractable hardtop$6750 
Tall rear wing-type spoiler $500
Infotainment 
Audio controls on steering wheel$125 
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-Audio-compatible player $0
Media drive $15
Off-road navigation system $0
Satellite radio$200 
Surround sound$250 
Telematics service, such as OnStar$200 
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Automatic headlights$125 
Cornering lights$50 
Mirror tilt-down in reverse$25 
Steering-linked headlights $150
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Interior trim, special color $0
Leather-wrapped steering wheel $150
Manual height adjuster, driver seat $50
Manual height adjuster, passenger seat $50
Memory system, driver seat$200 
Memory system, passenger seat$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 seatback bolsters, driver seat$100 
Power seatback bolsters, 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 headliner$650 
Synthetic suede inserts in leather seating surfaces $0
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$18,565$3,245
Value of Feature Adjustments$15,320$0
Value of Feature Adjustments-14,2750

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Specifications Comparison: Mercedes-Benz SL vs. Porsche Cayman

Model Year20082011
ModelSLCayman
Body2dr Hardtop conv.2dr Hatch
Wheelbase100.8 in95.1 in
Length178.5 in171.1 in
Width71.5 in70.9 in
Height51.0 in51.4 in
Curb Weight4,455 lb.2,910 lb.
Fuel Capacity21.1 gal.16.9 gal.
Row 1 Headroom37.7 in0.0 in
Row 1 Shoulder Room54.0 in0.0 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in0.0 in
Cargo Volume,
Minimum
7.3 ft314.5 ft3
Cargo Volume,
Maximum
10.2 ft314.5 ft3

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Option Package Details
Porsche Cayman R

Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Steering-linked headlights150No
Headlight washers50Yes
Total Requested55079%
Total Not Requested15021%
Unbranded, 235W, 9 speakers
FeatureValueRequested?
Unbranded, 235W, 9 speakers350No
CD player125Yes
DVD-Audio-compatible player0No
MP3-compatible player50Yes
Total Requested17533%
Total Not Requested35067%
Air conditioning
FeatureValueRequested?
Air conditioning900Yes
Automatic climate control, front200Yes
Total Requested1100100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Media drive, large15No
USB port25No
Total Requested60094%
Total Not Requested406%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested100100%
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%
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%

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