Mercedes-Benz SL Mercedes-Benz SL 2008 Porsche Cayenne Porsche Cayenne 2012

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Mercedes-Benz SL vs. Porsche Cayenne 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 Cayenne Invoice Comparison

Lowest Total Price: $134,700

Porsche Cayenne Turbo   
Difference: $5,815

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082012
ModelSLCayenne
TrimSL600Turbo
Body2dr Hardtop conv.4dr SUV
Base Price $133,200 $107,100
Obstacle detection, rear 1,130  
Voice control for nav and audio 510 595
Adaptive cruise control 2,200 2,490
Light Comfort Package   250
CD changer, in-dash   650
Satellite radio   750
Cooled or ventilated front seats   800
Proximity key   1,090
Wood trim   345
Wood/leather-wrapped steering wheel   365
4.8L V8   19,290
Obstacle detection, rear 1,051  
Voice control for nav and audio 474 506
Adaptive cruise control 2,046 0
Light Comfort Package   0
CD changer, in-dash   0
Satellite radio   638
Cooled or ventilated front seats   0
Proximity key   0
Wood trim   293
Wood/leather-wrapped steering wheel   0
4.8L V8   0
Options (change) 3,840 26,625
Options (change) 3,571 1,437
Destination 875 975
Gas Tax 2,600 0
Total Price $140,515 $134,700

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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 Cayenne dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Cayenne Turbo
TrueDelta Adjusted Price Difference: $3,305
TrueDelta Adjusted Invoice Difference: $126,171
Model Year20082012
ModelSLCayenne
TrimSL600Turbo
Body2dr Hardtop conv.4dr SUV
Engine510hp V12540hp V8
TransmissionT5T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)11/18 MPG15/22 MPG
Audio (watts, speakers)250, 8585, 14
Tire (rear if not all the same)255/40-18265/50-19
Total Price$140,515$134,700
Adjustments for Features-2,5100
Feature-Adjusted Total Price$138,005$134,700

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Features Comparison: Mercedes-Benz SL vs. Porsche Cayenne

Model Year20082012
ModelSLCayenne
TrimSL600Turbo
Body2dr Hardtop conv.4dr SUV
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Air compressor $35
Heated steering wheel $100
Power liftgate $350
Power rear side windows $200
Power trunk closer$350 
Remote window/roof operation$15 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Auto-raising roll bars / headrests$500 
Forward collision warning $200
Hill descent control $250
Rear side airbags $300
Rollover sensor $50
Side curtain airbags $350
Cargo Management 
Cargo cover $75
Cargo net $40
Liftglass or two-piece tailgate $150
Rear seat pass-through $100
Climate Control 
Rear air vents $100
Rear wiper $175
Water-repellent front-door glass $15
Wiper de-icer$25 
Drivetrain 
Lockable center differential $150
Engine / Motor 
Automatic start / stop $150
Exterior 
Bodyside cladding $350
Deep-tinted rear windows $275
Power retractable hardtop$6750 
Rear spoiler $200
Sunroof $900
Infotainment 
Aux input $50
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
Telematics service, such as OnStar$200 
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Automatic seat bolsters, front passenger $300
Center armrest(s), second row $50
Folding second row seats $300
Heated second row seats $200
Manual fore-aft adjuster, second row seats $75
Manual recliner, second row seats $75
Metal pedals$75 
No leather in second row$-300 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$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
Synthetic suede headliner$650 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$14,015$11,505
Value of Feature Adjustments$2,510$0
Value of Feature Adjustments-2,3390

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Specifications Comparison: Mercedes-Benz SL vs. Porsche Cayenne

Model Year20082012
ModelSLCayenne
Body2dr Hardtop conv.4dr SUV
Wheelbase100.8 in114.0 in
Length178.5 in190.8 in
Width71.5 in76.3 in
Height51.0 in67.4 in
Curb Weight4,455 lb.4,784 lb.
Fuel Capacity21.1 gal.22.4 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 ft323.7 ft3
Cargo Volume,
Maximum
10.2 ft362.9 ft3

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Option Package Details
Porsche Cayenne Turbo

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Forward collision warning200No
Total Requested45069%
Total Not Requested20031%

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