Porsche 911 Porsche 911 2010 Mercedes-Benz SL Mercedes-Benz SL 2009

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Porsche 911 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 911 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $110,515

Porsche 911 Carrera   
Difference: $88,360

Calculate Payments

  Down Payment Interest Rate Term
Model Year201020102009
Model911911SL
TrimCarreraCarrera SSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Base Price $88,800 $99,800 $194,700
Navigation system 2,110 2,110  
Adaptive Sports Seats 3,055 3,055  
Auto-dimming rearview mirror 420 420  
iPod integration 440 440  
Adaptive dampers - electrical 1,990    
Metallic paint (extra cost) 710 710  
Obstacle detection, rear 530 530  
Cooled or ventilated front seats 800 800  
Heated front seats 510 510  
Synthetic suede steering wheel 1,105 1,105  
CD changer, in-dash 650 650  
Upholstered instrument panel, leather 3,295 3,295  
Satellite radio 750 750  
Bluetooth cell phone link 695 695  
Audio controls on steering wheel 615 615  
Voice control for nav and audio 595 595  
Steering-linked headlights 690 690  
Floor mats 140 140  
Wood trim 890 890 0
Illuminated door sill trim plates 775 775 700
6-speed manual 0 0  
Navigation system 1,794 1,794  
Adaptive Sports Seats 2,597 2,597  
Auto-dimming rearview mirror 0 0  
iPod integration 0 0  
Adaptive dampers - electrical 1,692    
Metallic paint (extra cost) 0 0  
Obstacle detection, rear 451 451  
Cooled or ventilated front seats 0 0  
Heated front seats 0 0  
Synthetic suede steering wheel 939 939  
CD changer, in-dash 553 553  
Upholstered instrument panel, leather -306 2,554  
Satellite radio 0 0  
Bluetooth cell phone link 0 0  
Audio controls on steering wheel 0 0  
Voice control for nav and audio 0 0  
Steering-linked headlights 0 0  
Floor mats 119 119  
Wood trim 757 757 0
Illuminated door sill trim plates 0 0 651
6-speed manual 0 0  
Options (change) 20,765 18,775 700
Options (change) 8,596 9,764 651
Destination 950 950 875
Gas Tax 0 0 2,600
Total Price $110,515 $119,525 $198,875

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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 Porsche 911 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche 911 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Porsche 911 Carrera
TrueDelta Adjusted Price Difference: $78,850
TrueDelta Adjusted Invoice Difference: $166,795
Model Year201020102009
Model911911SL
TrimCarreraCarrera SSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Engine345hp H6385hp H6604hp V12
TransmissionM6M6T5
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)14/21 MPG14/21 MPG11/18 MPG
Audio (watts, speakers)235, 9235, 9510, 10
Tire (rear if not all the same)235/40-18235/35-19255/35-19
Total Price$110,515$119,525$198,875
Adjustments for Features00-9,510
Feature-Adjusted Total Price$110,515$119,525$189,365
Cost Above Minimum$0$9,010$0

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Features Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year201020102009
Model911911SL
TrimCarreraCarrera SSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150 
5-speed manually-shiftable automatic  $1000
RWD$0$0$0
Accessories 
Power trunk closer  $350
Proximity key  $250
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Wind blocker$300$300 
Wind blocker, small  $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Knee airbag, driver  $75
Obstacle detection, front  $150
Temporary spare tire  $150
Cargo Management 
Air-conditioned storage compartment  $50
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 
Rear-engine configuration$0$0 
Exterior 
Body kit  $0
Glass roof panel(s)  $300
Power convertible top$4000$4000 
Power retractable hardtop  $6750
Retractable rear spoiler$400$400 
Infotainment 
DVD-Audio-compatible player$0$0 
DVD-compatible player  $0
Off-road navigation system$0$0 
SD Card slot  $25
Surround sound  $250
Telematics service, such as OnStar  $200
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75 
Cornering lights  $50
Mirror tilt-down in reverse  $25
Turn signals on or near mirrors  $25
Seats and Interior Trim 
Folding second row seats$300$300 
Massage, driver seat  $100
Massage, passenger seat  $100
Memory system, passenger seat  $150
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 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
Synthetic suede headliner  $650
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000
Sport suspension (upgrade)  $0
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$6,190$6,190$15,700
Value of Feature Adjustments$0$0$9,510
Value of Feature Adjustments00-8,856

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year20102009
Model911SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase92.5 in100.8 in
Length175.6 in180.4 in
Width71.2 in71.5 in
Height51.6 in51.1 in
Curb Weight3,263 lb.4,564 lb.
Fuel Capacity16.9 gal.21.1 gal.
Row 1 Headroom38.0 in37.7 in
Row 1 Shoulder Room51.7 in54.0 in
Row 1 Hip Room53.4 in53.9 in
Row 1 Legroom41.6 in42.9 in
Row 2 Headroom31.5 in0.0 in
Cargo Volume,
Minimum
4.4 ft37.2 ft3
Cargo Volume,
Maximum
4.410.2 ft3

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Option Package Details
Porsche 911 Carrera

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 tilt adjuster, passenger seat100Yes
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
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Carrera 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 tilt adjuster, passenger seat100Yes
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
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested130087%
Total Not Requested20013%

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