Mercedes-Benz SL Mercedes-Benz SL 2009 Porsche 911 Porsche 911 2017

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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: $150,800

Porsche 911 Carrera GTS   
Difference: $50,305

Lowest Total Invoice: $134,905

Porsche 911 Carrera GTS   
Difference: $52,366

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092017
ModelSL911
TrimSL65 AMGCarrera GTS
Body2dr Hardtop conv.2dr Convertible
Base Price $194,700 $131,300
Base Invoice $181,071 $118,170
Illuminated door sill trim plates 700  
Adaptive cruise control 2,230  
Wood trim 0  
7-speed automated manual   3,720
Carbon fiber / leather-wrapped steering wheel   470
Premium Package Plus   4,570
Adaptive cruise control, all-speed   2,490
Illuminated carbon fiber door sill trim plates   1,275
Upholstered instrument panel, leather   3,850
Cooled or ventilated front seats   615
Body kit   750
Metallic paint (extra cost)   710
Illuminated door sill trim plates 651  
Adaptive cruise control 2,074  
Wood trim 0  
7-speed automated manual   3,162
Carbon fiber / leather-wrapped steering wheel   400
Premium Package Plus   3,884
Adaptive cruise control, all-speed   2,117
Illuminated carbon fiber door sill trim plates   1,084
Upholstered instrument panel, leather   3,273
Cooled or ventilated front seats   523
Body kit   638
Metallic paint (extra cost)   604
Options (change) 2,930 18,450
Options (change) 2,725 15,685
Destination 875 1,050
Gas Tax 2,600 0
Total Price $201,105 $150,800
Total Invoice $187,271 $134,905

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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 911 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche 911 Carrera GTS
TrueDelta Adjusted Price Difference: $47,245
TrueDelta Adjusted Invoice Difference: $49,516
Model Year20092017
ModelSL911
TrimSL65 AMGCarrera GTS
Body2dr Hardtop conv.2dr Convertible
Engine604hp V12450hp H6
TransmissionT5S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)11/18 MPG20/26 MPG
Audio (watts, speakers)510, 10?, 8
Tire (rear if not all the same)255/35-19245/35-20
Total Price$201,105$150,800
Adjustments for Features-3,0600
Feature-Adjusted Total Price$198,045$150,800
Total Invoice$187,271$134,905
Adjustments for Features-2,8500
Feature-Adjusted Total Invoice$184,421$134,905

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20092017
ModelSL911
TrimSL65 AMGCarrera GTS
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
Heated steering wheel $100
Power trunk closer$350 
Remote app $25
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
Rearview camera $200
Secondary collision brake assist $25
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 
Electronically-variable engine mounts (performance-oriented) $500
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Rear-engine configuration $0
Regenerative braking $0
Exterior 
Active grille shutters $0
Active rear spoiler $300
Black exterior trim (optional) $0
Glass roof panel(s)$300 
Painted brake calipers (optional) $0
Power convertible top $4000
Power retractable hardtop$6750 
Retractable rear spoiler $400
Infotainment 
4G LTE connectivity $0
App support $0
Apple CarPlay support $100
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Navigation map updates, three years $0
Off-road navigation system $0
Surround sound$250 
Traffic information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Boost gauge $75
Chronometer $100
Fog lights$125 
Mirror tilt-down in reverse$25 
Performance data recording app $200
Performance meter $150
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Aluminum trim $100
Carbon fiber / leather-wrapped steering wheel $150
Folding second row seats w/o opening to trunk $75
Illuminated carbon fiber door sill trim plates $300
Illuminated door sill trim plates$200 
Leather door panel trim$250 
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 door panel trim $250
Synthetic suede headliner$650 
Synthetic suede steering wheel$150 
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Electronic systems calibration selector $200
Sport suspension (upgrade)$0 
Transmission 
Launch control $100
Total Value of Features$16,075$13,015
Value of Feature Adjustments$3,060$0
Value of Feature Adjustments-2,8500

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20092017
ModelSL911
Body2dr Hardtop conv.2dr Convertible
Wheelbase100.8 in96.5 in
Length180.4 in177.1 in
Width71.5 in71.2 in
Height51.1 in50.7 in
Curb Weight4,564 lb.3,395 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 ft35.1 ft3
Cargo Volume,
Maximum
10.2 ft310.8 ft3

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Option Package Details
Porsche 911 Carrera GTS

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Launch control100No
Total Requested10050%
Total Not Requested10050%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested12556%
Total Not Requested10044%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed or partial200No
Forward collision warning200No
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?
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested222589%
Total Not Requested27511%

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