Mercedes-Benz SL Mercedes-Benz SL 2012 Porsche Cayman Porsche Cayman 2008

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $69,835

Porsche Cayman   
Difference: $76,260

Lowest Total Invoice: $60,579

Porsche Cayman   
Difference: $75,532

Calculate Payments

  Down Payment Interest Rate Term
Model Year201220082008
ModelSLCaymanCayman
TrimSL63 AMGBaseS
Body2dr Hardtop conv.2dr Hatch2dr Hatch
Base Price $140,440 $49,400 $59,100
Base Invoice $130,609 $43,075 $51,567
Obstacle detection, rear 1,180 530 530
Illuminated door sill trim plates 1,000 725 725
Wood trim 0 890 890
Adaptive Sports Seats   3,055 3,055
Auto-dimming rearview mirror   690 690
Xenon HID headlights   1,090 1,090
Adaptive dampers - electrical   1,990 1,990
Metallic paint (extra cost)   690 690
Floor mats   115 115
Heated front seats   480 480
Automatic climate control, front   550 550
Audio controls on steering wheel   990 990
Navigation system   3,110 3,110
Synthetic suede steering wheel   1,105 1,105
Upholstered instrument panel, leather   1,735 1,735
Synthetic suede headliner   1,180 1,180
CD changer, remote   650 650
Obstacle detection, rear 1,097 451 451
Illuminated door sill trim plates 930 616 616
Wood trim 0 757 757
Adaptive Sports Seats   2,597 2,597
Auto-dimming rearview mirror   587 587
Xenon HID headlights   927 927
Adaptive dampers - electrical   1,692 1,692
Metallic paint (extra cost)   587 587
Floor mats   98 98
Heated front seats   408 408
Automatic climate control, front   468 468
Audio controls on steering wheel   842 842
Navigation system   2,644 2,644
Synthetic suede steering wheel   939 939
Upholstered instrument panel, leather   1,475 1,475
Synthetic suede headliner   1,003 1,003
CD changer, remote   553 553
Options (change) 2,180 19,575 19,575
Options (change) 2,027 16,644 16,644
Destination 875 860 860
Gas Tax 2,600 0 0
Total Price $146,095 $69,835 $79,535
Total Invoice $136,111 $60,579 $69,071

Return to top

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 Mercedes-Benz SL dealer quotes or Porsche Cayman 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: Mercedes-Benz SL vs. Porsche Cayman

Lowest Adjusted Price and Invoice: Porsche Cayman
TrueDelta Adjusted Price Difference: $60,410
TrueDelta Adjusted Invoice Difference: $60,765
Model Year201220082008
ModelSLCaymanCayman
TrimSL63 AMGBaseS
Body2dr Hardtop conv.2dr Hatch2dr Hatch
Engine518hp V8245hp H6295hp H6
TransmissionT7M5M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 1050, 4230, 7
Tire (rear if not all the same)255/35-19205/55-17235/40-18
Total Price$146,095$69,835$79,535
Adjustments for Features-15,8500-150
Feature-Adjusted Total Price$130,245$69,835$79,385
Cost Above Minimum$0$0$9,550
Total Invoice$136,111$60,579$69,071
Adjustments for Features-14,7670-130
Feature-Adjusted Total Invoice$121,344$60,579$68,941
Cost Above Minimum$0$0$8,362

Return to top

Features Comparison: Mercedes-Benz SL vs. Porsche Cayman

Model Year201220082008
ModelSLCaymanCayman
TrimSL63 AMGBaseS
Body2dr Hardtop conv.2dr Hatch2dr Hatch
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200  
5-speed manual $0 
6-speed manual  $150
RWD$0$0$0
Accessories 
Power trunk closer$350  
Proximity key$250  
Remote window/roof operation$15  
Tilt/telescoping steering wheel, manual $250$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  
Brake assist$50  
Knee airbag, driver$75  
Obstacle detection, front$150  
Temporary spare tire$150  
Cargo Management 
Air-conditioned storage compartment$50  
Cargo net $40$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$15
Wiper de-icer$25  
Engine / Motor 
Mid-engine configuration $0$0
Exterior 
Body kit$0  
Power retractable hardtop$6750  
Retractable rear spoiler $400$400
Infotainment 
Aux input$50  
Bluetooth cell phone link$100  
CD changer, in-dash$325  
CD changer, remote $200$200
CD player $125$125
DVD-compatible player$0  
HD radio$50  
iPod integration$100  
Media drive$15  
MP3-compatible player$50  
Satellite radio$200  
SD Card slot$25  
Surround sound$250  
Telematics service, such as OnStar$200  
Traffic information$25  
Voice control for nav and audio$100  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75$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  
Massage, driver seat$100  
Massage, passenger seat$100  
Memory system, passenger seat$150  
Neck-level heating, front seats$150  
Power 4-way lumbar adjuster, passenger seat$150  
Power headrest height adjuster, driver seat$50  
Power headrest height adjuster, passenger seat$50  
Power thigh bolsters, driver seat $100$100
Power thigh bolsters, passenger seat $100$100
Power thigh support length adjuster, driver seat$100  
Power thigh support length adjuster, passenger seat$100  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000  
Sport suspension (upgrade)$0  
Transmission 
Launch control$100  
Steering-wheel-mounted transmission controls$100  
Total Value of Features$17,655$1,805$1,955
Value of Feature Adjustments$15,850$0$150
Value of Feature Adjustments-14,7670-130

Return to top

Specifications Comparison: Mercedes-Benz SL vs. Porsche Cayman

Model Year20122008
ModelSLCayman
Body2dr Hardtop conv.2dr Hatch
Wheelbase100.8 in95.1 in
Length180.4 in170.9 in
Width71.5 in70.9 in
Height51.1 in51.4 in
Curb Weight4,221 lb.2,966 lb.
Fuel Capacity21.1 gal.17.0 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
7.2 ft314.5 ft3
Cargo Volume,
Maximum
10.2 ft314.5 ft3

Return to top

Option Package Details
Porsche Cayman

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
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 fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
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
Total Requested115085%
Total Not Requested20015%

Option Package Details
Porsche Cayman S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
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 fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
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
Total Requested115085%
Total Not Requested20015%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.