Mercedes-Benz SL Mercedes-Benz SL 2009 Porsche Cayenne Porsche Cayenne 2009

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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: $130,115

Porsche Cayenne Turbo S   
Difference: $13,160

Lowest Total Invoice: $110,746

Porsche Cayenne Turbo S   
Difference: $22,743

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009
ModelSLCayenne
TrimSL600Turbo S
Body2dr Hardtop conv.4dr SUV
Base Price $139,100 $123,600
Base Invoice $129,363 $105,060
Illuminated door sill trim plates 700 915
Light Comfort Package   610
iPod integration   440
Floor mats   140
Bluetooth cell phone link   695
Satellite radio   750
Proximity key   995
Wood/leather-wrapped steering wheel   0
Wood trim   345
CD changer, remote   650
Illuminated door sill trim plates 651 778
Light Comfort Package   519
iPod integration   374
Floor mats   119
Bluetooth cell phone link   591
Satellite radio   638
Proximity key   846
Wood/leather-wrapped steering wheel   0
Wood trim   293
CD changer, remote   553
Options (change) 700 5,540
Options (change) 651 4,711
Destination 875 975
Gas Tax 2,600 0
Total Price $143,275 $130,115
Total Invoice $133,489 $110,746

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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 S
TrueDelta Adjusted Price Difference: $7,960
TrueDelta Adjusted Invoice Difference: $17,898
Model Year20092009
ModelSLCayenne
TrimSL600Turbo S
Body2dr Hardtop conv.4dr SUV
Engine510hp V12550hp V8
TransmissionT5T6
DrivetrainRWDAWD w/4L
EPA Fuel Economy (city/highway)11/18 MPG12/19 MPG
Audio (watts, speakers)510, 10410, 14
Tire (rear if not all the same)255/40-18295/35-21
Total Price$143,275$130,115
Adjustments for Features-5,2000
Feature-Adjusted Total Price$138,075$130,115
Total Invoice$133,489$110,746
Adjustments for Features-4,8450
Feature-Adjusted Total Invoice$128,644$110,746

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Features Comparison: Mercedes-Benz SL vs. Porsche Cayenne

Model Year20092009
ModelSLCayenne
TrimSL600Turbo S
Body2dr Hardtop conv.4dr SUV
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD w/low range $2200
Accessories 
Air compressor $35
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 
Hill descent control $250
Knee airbag, driver$75 
Rollover sensor $50
Side curtain airbags $350
Cargo Management 
Cargo cover $75
Cargo net $40
Liftglass or two-piece tailgate $150
Overhead sunglass holder $25
Rear seat pass-through $100
Ski sack $50
Climate Control 
Rear air vents $100
Rear wiper $175
Water-repellent front-door glass $15
Wiper de-icer$25 
Drivetrain 
Lockable center differential $150
Exterior 
Deep-tinted rear windows $275
Glass roof panel(s)$300 
Power retractable hardtop$6750 
Rear spoiler $200
Wheel-lip moldings $75
Infotainment 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
iPod integration$100 
SD Card slot$25 
Telematics service, such as OnStar$200 
Traffic information $25
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Power-folding mirrors $50
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Center armrest(s), second row $50
Cooled or ventilated front seats$300 
Folding second row seats $300
Heated second row seats $200
Massage, driver seat$100 
Massage, passenger seat$100 
Neck-level heating, front seats$150 
No leather in second row$-300 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power seat belt height adjusters, front row $25
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 
Suspension, Wheels, and Tires 
Active stabilizer bars $500
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$14,640$9,340
Value of Feature Adjustments$5,200$0
Value of Feature Adjustments-4,8450

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Specifications Comparison: Mercedes-Benz SL vs. Porsche Cayenne

Model Year20092009
ModelSLCayenne
Body2dr Hardtop conv.4dr SUV
Wheelbase100.8 in112.4 in
Length180.4 in188.9 in
Width71.5 in76.0 in
Height51.1 in66.9 in
Curb Weight4,455 lb.5,192 lb.
Fuel Capacity21.1 gal.26.4 gal.
Row 1 Headroom37.7 in39.7 in
Row 1 Shoulder Room54.0 in58.5 in
Row 1 Hip Room53.9 in57.4 in
Row 1 Legroom42.9 in40.6 in
Row 2 Headroom0.0 in38.9 in
Row 2 Shoulder Room0.0 in56.7 in
Row 2 Hip Room0.0 in53.3 in
Row 2 Legroom0.0 in36.0 in
Cargo Volume,
Minimum
7.2 ft319.1 ft3
Cargo Volume,
Maximum
10.2 ft362.5 ft3

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Option Package Details
Porsche Cayenne Turbo S

iPod integration
FeatureValueRequested?
Aux input50Yes
Media drive, large15Yes
USB port25Yes
Total Requested90100%
Total Not Requested00%
Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25No
Total Requested20089%
Total Not Requested2511%
Light Comfort Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

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