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

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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: $69,110

Porsche Cayman   
Difference: $29,495

Lowest Total Invoice: $59,963

Porsche Cayman   
Difference: $31,892

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082008200820082008
ModelCaymanCaymanSLSLSLSL
TrimBaseSSL550SL600SL55 AMGSL65 AMG
Body2dr Hatch2dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $49,400 $59,100 $95,300 $133,200 $129,300 $187,200
Base Invoice $43,075 $51,567 $88,629 $123,876 $120,249 $174,096
Adaptive Sports Seats 3,055 3,055        
Xenon HID headlights 1,090 1,090        
Auto-dimming rearview mirror 690 690        
Adaptive dampers - electrical 1,990 1,990        
Metallic paint (extra cost) 690 690        
Wood trim 890 890     0 0
Floor mats 115 115        
Upholstered instrument panel, leather 1,735 1,735        
Heated front seats 480 480        
CD changer, remote 650 650        
Navigation system 3,110 3,110        
Automatic climate control, front 550 550        
Audio controls on steering wheel 990 990        
Obstacle detection, rear 530 530 1,130 1,130 1,130 1,130
Synthetic suede headliner 1,180 1,180        
Synthetic suede steering wheel 1,105 1,105        
Adaptive Sports Seats 2,597 2,597        
Xenon HID headlights 927 927        
Auto-dimming rearview mirror 587 587        
Adaptive dampers - electrical 1,692 1,692        
Metallic paint (extra cost) 587 587        
Wood trim 757 757     0 0
Floor mats 98 98        
Upholstered instrument panel, leather 1,475 1,475        
Heated front seats 408 408        
CD changer, remote 553 553        
Navigation system 2,644 2,644        
Automatic climate control, front 468 468        
Audio controls on steering wheel 842 842        
Obstacle detection, rear 451 451 1,051 1,051 1,051 1,051
Synthetic suede headliner 1,003 1,003        
Synthetic suede steering wheel 939 939        
Options (change) 18,850 18,850 1,130 1,130 1,130 1,130
Options (change) 16,028 16,028 1,051 1,051 1,051 1,051
Destination 860 860 875 875 875 875
Gas Tax 0 0 1,300 2,600 2,600 2,600
Total Price $69,110 $78,810 $98,605 $137,805 $133,905 $191,805
Total Invoice $59,963 $68,455 $91,855 $128,402 $124,775 $178,622

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

Lowest Adjusted Price and Invoice: Porsche Cayman
TrueDelta Adjusted Price Difference: $16,610
TrueDelta Adjusted Invoice Difference: $19,889
Model Year200820082008200820082008
ModelCaymanCaymanSLSLSLSL
TrimBaseSSL550SL600SL55 AMGSL65 AMG
Body2dr Hatch2dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine245hp H6295hp H6382hp V8510hp V12510hp V8604hp V12
TransmissionM5M6T7T5T5T5
DrivetrainRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7250, 8250, 8250, 8250, 8
Tire (rear if not all the same)205/55-17235/40-18255/40-18255/40-18255/35-19255/35-19
Total Price$69,110$78,810$98,605$137,805$133,905$191,805
Adjustments for Features0-150-12,885-14,585-13,735-14,685
Feature-Adjusted Total Price$69,110$78,660$85,720$123,220$120,170$177,120
Cost Above Minimum$0$9,550$0$37,500$34,450$91,400
Total Invoice$59,963$68,455$91,855$128,402$124,775$178,622
Adjustments for Features0-130-12,003-13,590-12,799-13,676
Feature-Adjusted Total Invoice$59,963$68,325$79,852$114,812$111,976$164,946
Cost Above Minimum$0$8,362$0$34,960$32,124$85,094

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Features Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year200820082008200820082008
ModelCaymanCaymanSLSLSLSL
TrimBaseSSL550SL600SL55 AMGSL65 AMG
Body2dr Hatch2dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manual$0     
6-speed manual $150    
7-speed manually-shiftable automatic  $1200   
5-speed manually-shiftable automatic   $1000$1000$1000
RWD$0$0$0$0$0$0
Accessories 
Power trunk closer   $350 $350
Proximity key   $250 $250
Remote window/roof operation  $15$15$15$15
Tilt/telescoping steering wheel, manual$250$250    
Tilt/telescoping steering wheel, power  $350$350$350$350
Wind blocker, small  $100$100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0$0$0
Auto-raising roll bars / headrests  $500$500$500$500
Brake assist  $50$50$50$50
Knee airbag, driver  $75$75$75$75
Obstacle detection, front  $150$150$150$150
Temporary spare tire  $150$150$150$150
Cargo Management 
Air-conditioned storage compartment  $50$50$50$50
Cargo net$40$40    
Storage compartment under front seat(s)  $50$50$50$50
Climate Control 
Automatic air recirculation  $100$100$100$100
Dual-zone climate control  $125$125$125$125
Residual heat  $50$50$50$50
Water-repellent front-door glass$15$15    
Wiper de-icer  $25$25$25$25
Engine / Motor 
Mid-engine configuration$0$0    
Exterior 
Body kit    $0$0
Power retractable hardtop  $6750$6750$6750$6750
Retractable rear spoiler$400$400    
Infotainment 
Bluetooth cell phone link  $100$100$100$100
MP3-compatible player  $50$50$50$50
Satellite radio  $200$200$200$200
Surround sound  $250$250$250$250
Telematics service, such as OnStar  $200$200$200$200
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75    
Automatic headlights  $125$125$125$125
Cornering lights   $50 $50
Mirror tilt-down in reverse  $25$25$25$25
Turn signals on or near mirrors  $25$25$25$25
Seats and Interior Trim 
Cooled or ventilated front seats   $300 $300
Leather-wrapped steering wheel  $150   
Memory system, passenger seat  $150$150$150$150
Power 4-way lumbar adjuster, driver seat$150$150 $150$150$150
Power 4-way lumbar adjuster, passenger seat   $150$150$150
Power headrest height adjuster, driver seat  $50$50$50$50
Power headrest height adjuster, passenger seat  $50$50$50$50
Power lumbar adjuster, driver seat  $100   
Power lumbar adjuster, passenger seat  $100   
Power seatback bolsters, driver seat$100$100 $100$100$100
Power seatback bolsters, passenger seat$100$100 $100$100$100
Power thigh bolsters, driver seat$100$100    
Power thigh bolsters, passenger seat$100$100    
Power thigh support length adjuster, driver seat  $100$100$100$100
Power thigh support length adjuster, passenger seat  $100$100$100$100
Synthetic suede headliner$650$650 $650$650$650
Synthetic suede steering wheel$150$150  $150$150
Wood/leather-wrapped steering wheel   $150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500    
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000$4000$4000
Sport suspension (upgrade)    $0$0
Transmission 
Steering-wheel-mounted transmission controls    $100$100
Total Value of Features$2,630$2,780$15,515$17,215$16,365$17,315
Value of Feature Adjustments$0$150$12,885$14,585$13,735$14,685
Value of Feature Adjustments0-130-12,003-13,590-12,799-13,676

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz SL

Model Year20082008
ModelCaymanSL
Body2dr Hatch2dr Hardtop conv.
Wheelbase95.1 in100.8 in
Length170.9 in178.5 in
Width70.9 in71.5 in
Height51.4 in51.0 in
Curb Weight2,966 lb.4,221 lb.
Fuel Capacity17.0 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
14.5 ft37.3 ft3
Cargo Volume,
Maximum
14.510.2 ft3

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Option Package Details
Porsche Cayman

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

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
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

Option Package Details
Mercedes-Benz SL SL600

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

Option Package Details
Mercedes-Benz SL SL55 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

Option Package Details
Mercedes-Benz SL SL65 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

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