Mercedes-Benz SL Mercedes-Benz SL 2011 Porsche 911 Porsche 911 2012

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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: $106,645

Mercedes-Benz SL SL550   
Difference: $2,375

Calculate Payments

  Down Payment Interest Rate Term
Model Year2011201120112012201220122012
ModelSLSLSL911911911911
TrimSL550SL63 AMGSL65 AMGCarreraCarrera STurboTurbo S
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $102,600 $139,050 $198,750 $90,100 $103,000 $149,000 $172,100
Obstacle detection, rear 1,170 1,170   530 530 530 530
Illuminated door sill trim plates 700 700 700 895 895 895 895
Wood trim   0 0 890 890 890 890
Infotainment Package       3,010 3,010    
Adaptive Sports Seats       3,055 3,055 1,145  
Auto-dimming rearview mirror       420 420    
Adaptive dampers - electrical       2,090      
Metallic paint (extra cost)       710 710    
Heated front seats       525 525 525 525
Voice control for nav and audio       595 595 595 595
Audio controls on steering wheel       615 615 0 0
CD changer, in-dash       650 650 650  
Steering-linked headlights       690 690 690  
Upholstered instrument panel, leather       3,295 3,295    
Traffic information           0 0
Satellite radio           750 750
Synthetic suede steering wheel             1,295
Obstacle detection, rear 1,088 1,088   451 451 451 0
Illuminated door sill trim plates 651 651 651 0 0 0 0
Wood trim   0 0 757 757 757 0
Infotainment Package       0 0    
Adaptive Sports Seats       2,597 2,597 973  
Auto-dimming rearview mirror       0 0    
Adaptive dampers - electrical       0      
Metallic paint (extra cost)       0 0    
Heated front seats       0 0 0 0
Voice control for nav and audio       0 0 0 0
Audio controls on steering wheel       0 0 0 0
CD changer, in-dash       0 0 0  
Steering-linked headlights       0 0 0  
Upholstered instrument panel, leather       -306 2,554    
Traffic information           0 0
Satellite radio           0 0
Synthetic suede steering wheel             0
Options (change) 1,870 1,870 700 17,970 15,880 6,670 5,480
Options (change) 1,739 1,739 651 3,499 6,359 2,181 0
Destination 875 875 875 950 950 950 950
Gas Tax 1,300 2,600 2,600 0 0 0 0
Total Price $106,645 $144,395 $202,925 $109,020 $119,830 $156,620 $178,530

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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: Mercedes-Benz SL SL550
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $9,660
TrueDelta Adjusted Invoice Difference: $91,640
Model Year2011201120112012201220122012
ModelSLSLSL911911911911
TrimSL550SL63 AMGSL65 AMGCarreraCarrera STurboTurbo S
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine382hp V8518hp V8604hp V12345hp H6385hp H6500hp H6530hp H6
TransmissionT7T7T5M6M6M6S7
DrivetrainRWDRWDRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10510, 10385, 13385, 13385, 13385, 13
Tire (rear if not all the same)255/40-18255/35-19255/35-19235/40-18235/35-19235/35-19235/35-19
Total Price$106,645$144,395$202,925$109,020$119,830$156,620$178,530
Adjustments for Features-7,285-8,635-9,68500-1,875-8,025
Feature-Adjusted Total Price$99,360$135,760$193,240$109,020$119,830$154,745$170,505
Cost Above Minimum$0$36,400$93,880$0$10,810$45,725$61,485

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year2011201120112012201220122012
ModelSLSLSL911911911911
TrimSL550SL63 AMGSL65 AMGCarreraCarrera STurboTurbo S
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200     
5-speed manually-shiftable automatic  $1000    
6-speed manual   $150$150$150 
7-speed automated manual      $1200
RWD$0$0$0$0$0  
AWD     $1700$1700
Accessories 
Power trunk closer  $350    
Proximity key  $250    
Tilt/telescoping steering wheel, manual   $250$250$250$250
Tilt/telescoping steering wheel, power$350$350$350    
Wind blocker   $300$300$300$300
Wind blocker, small$100$100$100    
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0    
Ceramic brake rotors      $4000
Knee airbag, driver$75$75$75    
Obstacle detection, front$150$150$150    
Temporary spare tire$150$150$150    
Torque vectoring, brake-based      $100
Cargo Management 
Air-conditioned storage compartment$50$50$50    
Storage compartment under front seat(s)$50$50$50    
Climate Control 
Automatic air recirculation$100$100$100    
Dual-zone climate control$125$125$125    
Residual heat$50$50$50    
Water-repellent front-door glass   $15$15$15$15
Wiper de-icer$25$25$25    
Drivetrain 
Electronically-variable engine mounts (performance-oriented)      $500
Limited-slip rear differential     $300$300
Engine / Motor 
Rear-engine configuration   $0$0$0$0
Exterior 
Body kit $0$0    
Glass roof panel(s)  $300    
Larger rear spoiler     $200$200
Power convertible top   $4000$4000$4000$4000
Power retractable hardtop$6750$6750$6750    
Retractable rear spoiler   $400$400  
Infotainment 
DVD-Audio-compatible player   $0$0$0$0
DVD-compatible player$0$0$0    
HD radio$50$50$50    
iPod integration$100$100$100    
Off-road navigation system   $0$0$0$0
SD Card slot$25$25$25    
Telematics service, such as OnStar$200$200$200    
USB port   $25$25$25$25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror   $75$75$75$75
Boost gauge     $75$75
Chronometer      $100
Cornering lights$50$50$50    
Mirror tilt-down in reverse$25$25$25    
Turn signals on or near mirrors$25$25$25    
Seats and Interior Trim 
Cooled or ventilated front seats  $300    
Folding second row seats   $300$300$300$300
Leather-wrapped steering wheel$150  $150$150$150 
Massage, driver seat $100$100    
Massage, passenger seat $100$100    
Memory system, passenger seat$150$150$150    
Neck-level heating, front seats  $150    
No leather in second row$-300$-300$-300    
Power 4-way lumbar adjuster, driver seat $150$150$150$150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150$150$150$150
Power headrest height adjuster, driver seat$50$50$50    
Power headrest height adjuster, passenger seat$50$50$50    
Power lumbar adjuster, driver seat$100      
Power lumbar adjuster, passenger seat$100      
Power seatback bolsters, driver seat $100$100$100$100$100$100
Power seatback bolsters, passenger seat $100$100$100$100$100$100
Power thigh bolsters, driver seat   $100$100$100$100
Power thigh bolsters, passenger seat   $100$100$100$100
Power thigh support length adjuster, driver seat$100$100$100    
Power thigh support length adjuster, passenger seat$100$100$100    
Synthetic suede headliner $650$650    
Synthetic suede steering wheel $150$150   $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500$500$500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000$4000    
Electronic systems calibration selector      $200
Sport suspension (upgrade) $0$0    
Transmission 
Launch control $100    $100
Steering-wheel-mounted transmission controls $100$100   $100
Total Value of Features$14,150$15,500$16,550$6,865$6,865$8,740$14,890
Value of Feature Adjustments$7,285$8,635$9,685$0$0$1,875$8,025
Value of Feature Adjustments-6,785-8,045-9,01900-37-43

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20112012
ModelSL911
Body2dr Hardtop conv.2dr Convertible
Wheelbase100.8 in92.5 in
Length180.4 in175.6 in
Width71.5 in71.2 in
Height51.1 in51.6 in
Curb Weight4,221 lb.3,264 lb.
Fuel Capacity21.1 gal.16.9 gal.
Row 1 Headroom37.7 in38.0 in
Row 1 Shoulder Room54.0 in51.7 in
Row 1 Hip Room53.9 in53.4 in
Row 1 Legroom42.9 in41.6 in
Row 2 Headroom0.0 in31.5 in
Cargo Volume,
Minimum
7.2 ft34.4 ft3
Cargo Volume,
Maximum
10.2 ft34.4 ft3

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Option Package Details
Porsche 911 Carrera

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Traffic information25Yes
Bose, 385W, 13 speakers (with subwoofer)350No
Navigation system600Yes
DVD-Audio-compatible player0Yes
Off-road navigation system0No
Media drive, large15Yes
USB port25Yes
Total Requested111576%
Total Not Requested35024%
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 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
Power tilt adjuster, passenger seat100Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Carrera S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Traffic information25Yes
Bose, 385W, 13 speakers (with subwoofer)350No
Navigation system600Yes
DVD-Audio-compatible player0Yes
Off-road navigation system0No
Media drive, large15Yes
USB port25Yes
Total Requested111576%
Total Not Requested35024%
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 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
Power tilt adjuster, passenger seat100Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Turbo

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
Total Requested30060%
Total Not Requested20040%

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