Mercedes-Benz SL Mercedes-Benz SL 2012 Porsche 911 Porsche 911 2015

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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: $110,005

Mercedes-Benz SL SL550   
Difference: $9,850

Calculate Payments

  Down Payment Interest Rate Term
Model Year2012201220152015201520152015
ModelSLSL911911911911911
TrimSL550SL63 AMGCarreraCarrera SCarrera GTSTurboTurbo S
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $103,650 $140,440 $96,200 $110,800 $126,100 $163,000 $194,600
Obstacle detection, rear 1,180 1,180          
Illuminated door sill trim plates 700 1,000          
Adaptive cruise control 2,300 2,300          
Wood trim   0 1,990 1,990   1,990 0
Bose 555W 12 speakers     2,120 2,120 2,120    
Premium Package Plus     2,330 2,330 4,470 2,130 1,860
Adaptive sport seats plus     3,825 3,825   1,145  
Adaptive cruise control, all-speed     2,490 2,490 2,490 2,490 2,490
Illuminated carbon fiber door sill trim plates     1,275 1,275 1,275 1,275 1,275
Upholstered instrument panel, leather     3,490 3,490 3,850    
Audio controls on steering wheel     615 615 165 0 0
Obstacle detection, front     380 380 380    
Body kit     750 750 750 750 750
Voice control for nav and audio     595 595 595 595 595
Metallic paint (extra cost)     710 710 710    
Adaptive dampers - electrical     2,090        
Cooled or ventilated front seats         585    
CD changer, in-dash           750 750
Interior ambient lighting           510 510
Obstacle detection, rear 1,097 1,097          
Illuminated door sill trim plates 651 930          
Adaptive cruise control 2,139 2,139          
Wood trim   0 0 0   0 0
Bose 555W 12 speakers     0 0 0    
Premium Package Plus     0 0 0 0 0
Adaptive sport seats plus     0 0   0  
Adaptive cruise control, all-speed     0 0 0 0 0
Illuminated carbon fiber door sill trim plates     0 0 0 0 0
Upholstered instrument panel, leather     0 0 0    
Audio controls on steering wheel     0 0 0 0 0
Obstacle detection, front     0 0 0    
Body kit     0 0 0 0 0
Voice control for nav and audio     0 0 0 0 0
Metallic paint (extra cost)     0 0 0    
Adaptive dampers - electrical     0        
Cooled or ventilated front seats         0    
CD changer, in-dash           0 0
Interior ambient lighting           0 0
Options (change) 4,180 4,480 22,660 20,570 17,390 11,635 8,230
Options (change) 3,887 4,166 0 0 0 0 0
Destination 875 875 995 995 995 995 995
Gas Tax 1,300 2,600 0 0 0 0 0
Total Price $110,005 $148,395 $119,855 $132,365 $144,485 $175,630 $203,825

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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: Mercedes-Benz SL SL550
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $15,885
TrueDelta Adjusted Invoice Difference: $95,900
Model Year2012201220152015201520152015
ModelSLSL911911911911911
TrimSL550SL63 AMGCarreraCarrera SCarrera GTSTurboTurbo S
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine382hp V8518hp V8350hp H6400hp H6430hp H6520hp H6560hp H6
TransmissionT7T7M7M7M7S7S7
DrivetrainRWDRWDRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10445, 12445, 12445, 12445, 12445, 12
Tire (rear if not all the same)255/40-18255/35-19235/40-19245/35-20245/35-20245/35-20245/35-20
Total Price$110,005$148,395$119,855$132,365$144,485$175,630$203,825
Adjustments for Features-6,035-7,0850-400-1,750-5,775-12,025
Feature-Adjusted Total Price$103,970$141,310$119,855$131,965$142,735$169,855$191,800
Cost Above Minimum$0$37,340$0$12,110$22,880$50,000$71,945

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year2012201220152015201520152015
ModelSLSL911911911911911
TrimSL550SL63 AMGCarreraCarrera SCarrera GTSTurboTurbo S
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200     
7-speed manual  $300$300$300  
7-speed automated manual     $1200$1200
RWD$0$0$0$0$0  
AWD     $1700$1700
Accessories 
Adaptive cruise control$600$600     
Adaptive cruise control, all-speed  $850$850$850$850$850
Power trunk closer$350$350     
Wind blocker  $300$300$300$300$300
Wind blocker, small$100$100     
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0     
Automatic braking, high-speed or partial  $200$200$200$200$200
Ceramic brake rotors      $4000
Forward collision warning  $200$200$200$200$200
Knee airbag, passenger  $75$75$75$75$75
Radar- or camera-based collision preparation system  $0$0$0$0$0
Rearview camera     $200$200
Side curtain airbags  $350$350$350$350$350
Temporary spare tire$150$150     
Torque vectoring, brake-based   $100$100$100$100
Cargo Management 
Air-conditioned storage compartment$50$50     
Storage compartment under front seat(s)$50$50     
Climate Control 
Water-repellent front-door glass  $15$15$15$15$15
Wiper de-icer$25$25     
Drivetrain 
Electronically-variable engine mounts (performance-oriented)    $500 $500
Limited-slip rear differential   $300$300$300$300
Engine / Motor 
Automatic start / stop  $150$150$150$150$150
Dual-mode exhaust, switchable    $500  
Rear-engine configuration  $0$0$0$0$0
Regenerative braking  $0$0$0$0$0
Exterior 
Active front spoiler     $500$500
Active rear spoiler     $300$300
Black exterior trim (optional)    $0  
Body kit $0$0$0$0$0$0
Painted brake calipers (optional)   $0$0$0$0
Power convertible top  $4000$4000$4000$4000$4000
Power retractable hardtop$6750$6750     
Retractable rear spoiler  $400$400$400  
Tall rear wing-type spoiler     $500$500
Infotainment 
App support  $0$0$0$0$0
Bluetooth audio streaming  $25$25$25$25$25
DVD-Audio-compatible player  $0$0$0$0$0
DVD-compatible player$0$0     
iPod integration$100$100     
Off-road navigation system  $0$0$0$0$0
SD Card slot$25$25     
Telematics service, such as OnStar$200$200     
Traffic + travel information     $25$25
Traffic information$25$25$25$25$25  
USB port  $25$25$25$25$25
Instruments, Lights, and Mirrors 
Auto-dimming headlights      $200
Auto-dimming passenger-side mirror  $75$75$75$75$75
Boost gauge     $75$75
Chronometer    $100 $100
Fog lights$125$125     
LED headlights      $1000
Mirror tilt-down in reverse$25$25     
Performance meter    $150 $150
Turn signals on or near mirrors$25$25     
Xenon HID headlights$500$500$500$500$500$500 
Seats and Interior Trim 
Aluminum trim    $100  
Folding second row seats w/o opening to trunk  $75$75$75$75$75
Illuminated carbon fiber door sill trim plates  $300$300$300$300$300
Illuminated door sill trim plates$200$200     
Leather door panel trim$250$250$250$250 $250$250
Leather-wrapped steering wheel$150 $150$150$150$150$150
Massage, driver seat $100     
Massage, passenger seat $100     
Memory system, passenger seat$150$150     
Neck-level heating, front seats$150$150     
No leather in second row$-300$-300     
Power headrest height adjuster, driver seat$50$50     
Power headrest height adjuster, passenger seat$50$50     
Power thigh bolsters, driver seat  $100$100$100$100$100
Power thigh bolsters, passenger seat  $100$100$100$100$100
Synthetic suede door panel trim    $250  
Synthetic suede headliner $650     
Synthetic suede steering wheel $150     
Wood trim$300$300$300$300 $300$300
Suspension, Wheels, and Tires 
Active stabilizer bars      $500
Adaptive dampers - electrical  $500$500$500$500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000     
Electronic systems calibration selector    $200 $200
Rear wheel steering     $1500$1500
Sport suspension (upgrade) $0     
Wheels, dark finish    $0  
Transmission 
Launch control $100  $100 $100
Steering-wheel-mounted transmission controls $100   $100$100
Total Value of Features$15,300$16,350$9,265$9,665$11,015$15,040$21,290
Value of Feature Adjustments$6,035$7,085$0$400$1,750$5,775$12,025
Value of Feature Adjustments-5,621-6,6010-3-12-33-59

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20122015
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 Weight4,221 lb.3,198 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

Bose, 445W, 12 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 12 speakers (with subwoofer)350No
CD changer, in-dash200Yes
Satellite radio200Yes
Surround sound250Yes
Traffic information25Yes
HD radio50Yes
App support0No
Total Requested72567%
Total Not Requested35033%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200No
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?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Cornering lights50Yes
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 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
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested257597%
Total Not Requested753%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
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 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
Total Requested150088%
Total Not Requested20012%

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 information25Yes
HD radio50Yes
App support0No
Total Requested72567%
Total Not Requested35033%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200No
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?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Cornering lights50Yes
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 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
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested257597%
Total Not Requested753%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
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 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
Total Requested150088%
Total Not Requested20012%

Option Package Details
Porsche 911 Carrera GTS

Bose, 445W, 12 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 12 speakers (with subwoofer)350No
CD changer, in-dash200Yes
Satellite radio200Yes
Surround sound250Yes
Traffic information25Yes
HD radio50Yes
App support0No
Total Requested72567%
Total Not Requested35033%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200No
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 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
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested222589%
Total Not Requested27511%

Option Package Details
Porsche 911 Turbo

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200No
Forward collision warning200No
Total Requested00%
Total Not Requested1100100%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested30060%
Total Not Requested20040%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Obstacle detection, front150Yes
Rearview camera200No
Proximity key250Yes
Total Requested70078%
Total Not Requested20022%

Option Package Details
Porsche 911 Turbo S

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200No
Forward collision warning200No
Total Requested00%
Total Not Requested1100100%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Rearview camera200No
Proximity key250Yes
Total Requested55073%
Total Not Requested20027%

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