Porsche 911 Porsche 911 2014 Mercedes-Benz SL Mercedes-Benz SL 2011

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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: $135,275

Porsche 911 Carrera S   
Difference: $69,950

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142011
Model911SL
TrimCarrera SSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $110,800 $198,750
Premium Package Plus 2,330  
7-speed automated manual 4,080  
Adaptive sport seats plus 3,825  
Bose 555W 12 speakers 2,120  
Metallic paint (extra cost) 710  
Obstacle detection, front 380  
Upholstered instrument panel, leather 3,490  
Audio controls on steering wheel 615  
Voice control for nav and audio 595  
Wood trim 1,990 0
Illuminated door sill trim plates 900 700
Adaptive cruise control, all-speed 2,490  
Adaptive cruise control   2,300
Premium Package Plus 0  
7-speed automated manual 3,468  
Adaptive sport seats plus 0  
Bose 555W 12 speakers 0  
Metallic paint (extra cost) 0  
Obstacle detection, front 0  
Upholstered instrument panel, leather 0  
Audio controls on steering wheel 0  
Voice control for nav and audio 0  
Wood trim 0 0
Illuminated door sill trim plates 0 651
Adaptive cruise control, all-speed 0  
Adaptive cruise control   2,139
Options (change) 23,525 3,000
Options (change) 3,468 2,790
Destination 950 875
Gas Tax 0 2,600
Total Price $135,275 $205,225

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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: Porsche 911 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Porsche 911 Carrera S
TrueDelta Adjusted Price Difference: $64,165
TrueDelta Adjusted Invoice Difference: $181,298
Model Year20142011
Model911SL
TrimCarrera SSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Engine400hp H6604hp V12
TransmissionS7T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/27 MPG11/18 MPG
Audio (watts, speakers)445, 12510, 10
Tire (rear if not all the same)245/35-20255/35-19
Total Price$135,275$205,225
Adjustments for Features0-5,785
Feature-Adjusted Total Price$135,275$199,440

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Features Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year20142011
Model911SL
TrimCarrera SSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
5-speed manually-shiftable automatic $1000
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
Painted brake calipers (optional)$0 
Power convertible top$4000 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Infotainment 
App support$0 
Bluetooth audio streaming$25 
DVD-Audio-compatible player$0 
DVD-compatible player $0
iPod integration $100
Off-road navigation system$0 
SD Card slot $25
Telematics service, such as OnStar $200
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
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$9,190$14,975
Value of Feature Adjustments$0$5,785
Value of Feature Adjustments0-5,387

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year20142011
Model911SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase96.5 in100.8 in
Length176.8 in180.4 in
Width71.2 in71.5 in
Height51.3 in51.1 in
Curb Weight3,275 lb.4,564 lb.
Fuel Capacity16.9 gal.21.1 gal.
Row 1 Headroom0.0 in37.7 in
Row 1 Shoulder Room0.0 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom0.0 in42.9 in
Cargo Volume,
Minimum
4.8 ft37.2 ft3
Cargo Volume,
Maximum
4.810.2 ft3

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Option Package Details
Porsche 911 Carrera S

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Headlight washers50Yes
Cornering lights50Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Total Requested257597%
Total Not Requested753%
Adaptive sport seats plus
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, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Total Requested150088%
Total Not Requested20012%

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