Mercedes-Benz SL Mercedes-Benz SL 2009 Porsche Cayenne Porsche Cayenne 2008

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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: $84,195

Porsche Cayenne GTS   
Difference: $56,120

Lowest Total Invoice: $74,356

Porsche Cayenne GTS   
Difference: $56,380

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920082008
ModelSLSLSLCayenneCayenne
TrimSL600SL63 AMGSL65 AMGGTSTurbo
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr SUV4dr SUV
Base Price $139,100 $135,000 $194,700 $69,200 $93,700
Base Invoice $129,363 $125,550 $181,071 $61,472 $81,859
Illuminated door sill trim plates 700 700 700 915 915
Obstacle detection, rear   1,140   990  
Wood trim   0 0   345
Light Comfort Package       610 610
Xenon/HID headlights       1,560  
Metallic paint (extra cost)       690  
Floor mats       140 140
Heated front seats       560  
Satellite radio       750 750
Navigation system       3,070  
Proximity key       995 995
Upholstered instrument panel, leather       3,170  
CD changer, remote       650 650
Front sport buckets         0
Body kit         1,390
Wood/leather-wrapped steering wheel         240
Illuminated door sill trim plates 651 651 651 778 778
Obstacle detection, rear   1,060   842  
Wood trim   0 0   293
Light Comfort Package       519 519
Xenon/HID headlights       1,326  
Metallic paint (extra cost)       587  
Floor mats       119 119
Heated front seats       476  
Satellite radio       638 638
Navigation system       2,610  
Proximity key       846 846
Upholstered instrument panel, leather       2,695  
CD changer, remote       553 553
Front sport buckets         0
Body kit         1,182
Wood/leather-wrapped steering wheel         204
Options (change) 700 1,840 700 14,100 6,035
Options (change) 651 1,711 651 11,989 5,132
Destination 875 875 875 895 895
Gas Tax 2,600 2,600 2,600 0 0
Total Price $143,275 $140,315 $198,875 $84,195 $100,630
Total Invoice $133,489 $130,736 $185,197 $74,356 $87,886

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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 GTS
TrueDelta Adjusted Price Difference: $49,805
TrueDelta Adjusted Invoice Difference: $50,496
Model Year20092009200920082008
ModelSLSLSLCayenneCayenne
TrimSL600SL63 AMGSL65 AMGGTSTurbo
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr SUV4dr SUV
Engine510hp V12518hp V8604hp V12405hp V8500hp V8
TransmissionT5T7T5M6T6
DrivetrainRWDRWDRWDAWD w/4LAWD w/4L
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10510, 10100, 12350, 14
Tire (rear if not all the same)255/40-18255/35-19255/35-19295/35-21255/55-18
Total Price$143,275$140,315$198,875$84,195$100,630
Adjustments for Features-7,265-6,315-7,3650-1,075
Feature-Adjusted Total Price$136,010$134,000$191,510$84,195$99,555
Cost Above Minimum$2,010$0$57,510$0$15,360
Total Invoice$133,489$130,736$185,197$74,356$87,886
Adjustments for Features-6,769-5,884-6,8580-939
Feature-Adjusted Total Invoice$126,720$124,852$178,339$74,356$86,947
Cost Above Minimum$1,868$0$53,487$0$12,591

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Features Comparison: Mercedes-Benz SL vs. Porsche Cayenne

Model Year20092009200920082008
ModelSLSLSLCayenneCayenne
TrimSL600SL63 AMGSL65 AMGGTSTurbo
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr SUV4dr SUV
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 $1000  
7-speed manually-shiftable automatic $1200   
6-speed manual   $150 
6-speed manually-shiftable automatic    $1100
RWD$0$0$0  
AWD w/low range   $2200$2200
Accessories 
Air compressor   $35$35
Heated steering wheel   $100 
Power liftgate   $350$350
Power rear side windows   $200$200
Power trunk closer$350 $350  
Proximity key$250 $250$250$250
Remote window/roof operation$15$15$15  
Wind blocker, small$100$100$100  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0  
Auto-raising roll bars / headrests$500$500$500  
Hill descent control   $250$250
Knee airbag, driver$75$75$75  
Rollover sensor   $50$50
Side curtain airbags   $350$350
Cargo Management 
Cargo cover   $75$75
Cargo net   $40$40
Liftglass or two-piece tailgate   $150$150
Overhead sunglass holder   $25$25
Rear seat pass-through   $100$100
Ski sack   $50$50
Storage compartment under front seat(s)$50$50$50 $50
Climate Control 
Rear air vents   $100$100
Rear wiper   $175$175
Water-repellent front-door glass   $15$15
Wiper de-icer$25$25$25  
Drivetrain 
Lockable center differential   $150$150
Engine / Motor 
Dual-mode exhaust, switchable   $500 
Exterior 
Body kit $0$0$0$0
Deep-tinted rear windows   $275$275
Glass roof panel(s)$300 $300  
Power retractable hardtop$6750$6750$6750  
Rear spoiler   $200$200
Wheel-lip moldings   $75 
Infotainment 
Aux input$50$50$50  
Bluetooth cell phone link$100$100$100  
CD changer, in-dash$325$325$325  
CD changer, remote   $200$200
CD player   $125$125
DVD-compatible player$0$0$0  
iPod integration$100$100$100  
Media drive$15$15$15  
SD Card slot$25$25$25  
Surround sound$250$250$250 $250
Telematics service, such as OnStar$200$200$200  
Voice control for nav and audio$100$100$100  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror   $75$75
Power-folding mirrors   $50$50
Turn signals on or near mirrors$25$25$25  
Seats and Interior Trim 
Aluminum trim   $100 
Center armrest(s), second row   $50$50
Cooled or ventilated front seats$300 $300  
Folding second row seats   $300$300
Heated second row seats    $200
Leather-wrapped steering wheel   $150 
Massage, driver seat$100$100$100  
Massage, passenger seat$100$100$100  
Neck-level heating, front seats$150 $150  
No leather in second row$-300$-300$-300  
Power headrest height adjuster, driver seat$50$50$50  
Power headrest height adjuster, passenger seat$50$50$50  
Power seat belt height adjusters, front row   $25$25
Power seatback bolsters, driver seat$100$100$100  
Power seatback bolsters, passenger seat$100$100$100  
Power thigh support length adjuster, driver seat$100$100$100  
Power thigh support length adjuster, passenger seat$100$100$100  
Synthetic suede inserts in leather seating surfaces   $0 
Synthetic suede steering wheel $150$150  
Wood trim$300$300$300 $300
Wood/leather-wrapped steering wheel$150   $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000$4000  
Air suspension, auto-leveling and height adjustable   $1000$1000
Electronic systems calibration selector   $200$200
Sport suspension (upgrade) $0$0  
Transmission 
Launch control $100   
Steering-wheel-mounted transmission controls $100$100 $100
Total Value of Features$15,905$14,955$16,005$8,640$9,715
Value of Feature Adjustments$7,265$6,315$7,365$0$1,075
Value of Feature Adjustments-6,769-5,884-6,8580-939

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Specifications Comparison: Mercedes-Benz SL vs. Porsche Cayenne

Model Year20092008
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 Weight4,221 lb.4,763 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 GTS

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Heated front seats
FeatureValueRequested?
Heated front seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%
Light Comfort Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%
Xenon/HID headlights
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested750100%
Total Not Requested00%

Option Package Details
Porsche Cayenne Turbo

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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