Mercedes-Benz SL Mercedes-Benz SL 2009 Porsche 911 Porsche 911 2013

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Mercedes-Benz SL vs. Porsche 911 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 911 Invoice Comparison

Lowest Total Price: $135,770

Porsche 911 Carrera S   
Difference: $65,335

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092013
ModelSL911
TrimSL65 AMGCarrera S
Body2dr Hardtop conv.2dr Convertible
Base Price $194,700 $110,800
Illuminated door sill trim plates 700 895
Wood trim 0 1,990
Adaptive cruise control 2,230  
Bose 555W 12 speakers   2,420
7-speed automated manual   4,080
Premium Package Plus   2,330
Adaptive sport seats plus   3,825
Adaptive cruise control, all-speed   2,490
Upholstered instrument panel, leather   3,690
Audio controls on steering wheel   615
Voice control for nav and audio   595
Obstacle detection, front   380
Metallic paint (extra cost)   710
Illuminated door sill trim plates 651 0
Wood trim 0 0
Adaptive cruise control 2,074  
Bose 555W 12 speakers   0
7-speed automated manual   3,468
Premium Package Plus   0
Adaptive sport seats plus   0
Adaptive cruise control, all-speed   0
Upholstered instrument panel, leather   2,860
Audio controls on steering wheel   0
Voice control for nav and audio   0
Obstacle detection, front   0
Metallic paint (extra cost)   0
Options (change) 2,930 24,020
Options (change) 2,725 6,328
Destination 875 950
Gas Tax 2,600 0
Total Price $201,105 $135,770

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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: Mercedes-Benz SL vs. Porsche 911

Lowest Adjusted Price and Invoice: Porsche 911 Carrera S
TrueDelta Adjusted Price Difference: $59,575
TrueDelta Adjusted Invoice Difference: $174,629
Model Year20092013
ModelSL911
TrimSL65 AMGCarrera S
Body2dr Hardtop conv.2dr Convertible
Engine604hp V12400hp H6
TransmissionT5S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)11/18 MPG20/27 MPG
Audio (watts, speakers)510, 10445, 12
Tire (rear if not all the same)255/35-19245/35-20
Total Price$201,105$135,770
Adjustments for Features-5,7600
Feature-Adjusted Total Price$195,345$135,770

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20092013
ModelSL911
TrimSL65 AMGCarrera S
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed automated manual $1200
RWD$0$0
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Power trunk closer$350 
Wind blocker $300
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, high-speed or partial $200
Forward collision warning $200
Knee airbag, passenger $75
Radar- or camera-based collision preparation system $0
Side curtain airbags $350
Temporary spare tire$150 
Torque vectoring, brake-based $100
Cargo Management 
Air-conditioned storage compartment$50 
Storage compartment under front seat(s)$50 
Climate Control 
Water-repellent front-door glass $15
Wiper de-icer$25 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop $150
Rear-engine configuration $0
Regenerative braking $0
Exterior 
Body kit$0 
Glass roof panel(s)$300 
Power convertible top $4000
Power retractable hardtop$6750 
Retractable rear spoiler $400
Infotainment 
Bluetooth audio streaming $25
DVD-Audio-compatible player $0
DVD-compatible player$0 
HD radio $50
iPod integration$100 
Off-road navigation system $0
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
Cornering lights$50 
Fog lights$125 
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Folding second row seats w/o opening to trunk $75
Leather-wrapped steering wheel $150
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
Power thigh bolsters, passenger seat $100
Synthetic suede headliner$650 
Synthetic suede steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Sport suspension (upgrade)$0 
Total Value of Features$15,025$9,265
Value of Feature Adjustments$5,760$0
Value of Feature Adjustments-5,3640

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20092013
ModelSL911
Body2dr Hardtop conv.2dr Convertible
Wheelbase100.8 in96.5 in
Length180.4 in176.8 in
Width71.5 in71.2 in
Height51.1 in51.3 in
Curb Weight4,564 lb.3,275 lb.
Fuel Capacity21.1 gal.16.9 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
7.2 ft34.8 ft3
Cargo Volume,
Maximum
10.2 ft34.8 ft3

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Option Package Details
Porsche 911 Carrera S

Bose, 445W, 12 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 12 speakers (with subwoofer)350No
CD changer, in-dash200Yes
Satellite radio200Yes
Surround sound250Yes
Traffic information25No
HD radio50No
Total Requested65060%
Total Not Requested42540%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Total Requested100100%
Total Not Requested00%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200No
Forward collision alert200No
Total Requested00%
Total Not Requested1100100%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Tilt/telescoping steering wheel, power100Yes
Power thigh support adjuster, driver seat100Yes
Power thigh support adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested247597%
Total Not Requested753%
Adaptive sport seats plus
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power thigh support adjuster, driver seat100Yes
Power thigh support adjuster, passenger seat100Yes
Front sport buckets100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested150088%
Total Not Requested20012%

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