Mercedes-Benz SL Mercedes-Benz SL 2015 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: $195,420

Porsche 911 Turbo   
Difference: $35,595

Lowest Total Invoice: $174,843

Porsche 911 Turbo   
Difference: $40,158

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152017
ModelSL911
TrimSL65 AMGTurbo
Body2dr Hardtop conv.2dr Convertible
Base Price $215,250 $171,500
Base Invoice $200,183 $154,350
Painted brake calipers (optional) 1,000  
Performance meter 2,500  
Wood/leather-wrapped steering wheel 590 370
Wheels, dark finish 500 1,635
Wood trim 0 1,990
Ceramic brake rotors 8,950 9,210
Adaptive sport seats plus   1,145
Adaptive cruise control, all-speed   2,490
Interior ambient lighting   510
Blind spot warning system   850
Proximity key   1,090
Auto-dimming headlights   500
Cooled or ventilated front seats   840
Alloy wheels, optional design   965
Illuminated carbon fiber door sill trim plates   1,275
Painted brake calipers (optional) 930  
Performance meter 2,325  
Wood/leather-wrapped steering wheel 549 315
Wheels, dark finish 465 1,390
Wood trim 0 1,692
Ceramic brake rotors 8,324 7,829
Adaptive sport seats plus   973
Adaptive cruise control, all-speed   2,117
Interior ambient lighting   434
Blind spot warning system   723
Proximity key   927
Auto-dimming headlights   425
Cooled or ventilated front seats   714
Alloy wheels, optional design   820
Illuminated carbon fiber door sill trim plates   1,084
Options (change) 13,540 22,870
Options (change) 12,593 19,443
Destination 925 1,050
Gas Tax 1,300 0
Total Price $231,015 $195,420
Total Invoice $215,001 $174,843

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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 Turbo
TrueDelta Adjusted Price Difference: $27,385
TrueDelta Adjusted Invoice Difference: $32,517
Model Year20152017
ModelSL911
TrimSL65 AMGTurbo
Body2dr Hardtop conv.2dr Convertible
Engine621hp V12540hp H6
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)16/25 MPG19/24 MPG
Audio (watts, speakers)900, 12555, 12
Tire (rear if not all the same)255/35-19245/35-20
Total Price$231,015$195,420
Adjustments for Features-8,2100
Feature-Adjusted Total Price$222,805$195,420
Total Invoice$215,001$174,843
Adjustments for Features-7,6410
Feature-Adjusted Total Invoice$207,360$174,843

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20152017
ModelSL911
TrimSL65 AMGTurbo
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Hands-free trunk or liftgate$100 
Heated steering wheel $100
Power door closers$300 
Power trunk closer$350 
Semi-automated parking system$500 
Wind blocker $300
Wind blocker, power small$300 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, low-speed$200 
Blind spot collision prevention$150 
Driver drowsiness monitor$150 
Lane departure prevention$150 
Lane departure warning$200 
Night vision$1750 
Secondary collision brake assist $25
Cargo Management 
Air-conditioned storage compartment$50 
Storage compartment under front seat(s)$50 
Climate Control 
Adaptive windshield washer system$0 
Water-repellent front-door glass $15
Wiper de-icer$25 
Drivetrain 
Electronically-variable engine mounts (performance-oriented) $500
Engine / Motor 
Raised top speed limiter$0 
Rear-engine configuration $0
Regenerative braking $0
Exterior 
Active front spoiler $500
Active grille shutters $0
Active rear spoiler $300
Body kit (gray/black) $0
Electronically-variable tint, sunroof or glass roof panel$2000 
Glass roof panel(s)$300 
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Tall rear wing-type spoiler $500
Infotainment 
4G LTE connectivity $0
Apple CarPlay support $100
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
iPod integration$100 
Off-road navigation system $0
SMS text-to-speech reader$25 
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
Traffic information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Boost gauge $75
Fog lights$125 
LED headlights $1000
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Xenon HID headlights$500 
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
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 headliner$1000 
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 seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Rear wheel steering $1500
Sport suspension (upgrade)$0 
Total Value of Features$21,875$13,665
Value of Feature Adjustments$8,210$0
Value of Feature Adjustments-7,6410

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20152017
ModelSL911
Body2dr Hardtop conv.2dr Convertible
Wheelbase101.8 in96.5 in
Length181.8 in177.1 in
Width73.9 in71.2 in
Height51.8 in50.7 in
Curb Weight4,068 lb.3,670 lb.
Fuel Capacity19.8 gal.16.9 gal.
Row 1 Headroom39.1 in0.0 in
Row 1 Shoulder Room55.5 in0.0 in
Row 1 Legroom42.9 in0.0 in
Cargo Volume,
Minimum
8.5 ft35.1 ft3
Cargo Volume,
Maximum
13.5 ft310.8 ft3

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Option Package Details
Porsche 911 Turbo

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1100100%
Total Not Requested00%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested27573%
Total Not Requested10027%
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%

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