Mercedes-Benz SL Mercedes-Benz SL 2014 Porsche 911 Porsche 911 2008

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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: $119,070

Porsche 911 Carrera S   
Difference: $107,195

Lowest Total Invoice: $103,565

Porsche 911 Carrera S   
Difference: $107,018

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142008
ModelSL911
TrimSL65 AMGCarrera S
Body2dr Hardtop conv.2dr Convertible
Base Price $214,500 $94,100
Base Invoice $199,485 $82,209
Wood trim 0 890
Wood/leather-wrapped steering wheel 590 1,360
Ceramic brake rotors 8,950 8,150
Adaptive Sports Seats   3,055
Sport Chrono Package Plus   960
Auto-dimming rearview mirror   385
Metallic paint (extra cost)   690
Floor mats   140
Illuminated door sill trim plates   725
Bluetooth cell phone link   960
Navigation system   2,110
Heated front seats   500
Obstacle detection, rear   530
Upholstered instrument panel, leather   3,005
CD changer, remote   650
Wood trim 0 757
Wood/leather-wrapped steering wheel 549 1,156
Ceramic brake rotors 8,324 6,928
Adaptive Sports Seats   2,597
Sport Chrono Package Plus   816
Auto-dimming rearview mirror   327
Metallic paint (extra cost)   587
Floor mats   119
Illuminated door sill trim plates   616
Bluetooth cell phone link   816
Navigation system   1,794
Heated front seats   425
Obstacle detection, rear   451
Upholstered instrument panel, leather   2,554
CD changer, remote   553
Options (change) 9,540 24,110
Options (change) 8,873 20,496
Destination 925 860
Gas Tax 1,300 0
Total Price $226,265 $119,070
Total Invoice $210,583 $103,565

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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 and Invoice: Porsche 911 Carrera S
TrueDelta Adjusted Price Difference: $86,895
TrueDelta Adjusted Invoice Difference: $88,125
Model Year20142008
ModelSL911
TrimSL65 AMGCarrera S
Body2dr Hardtop conv.2dr Convertible
Engine621hp V12355hp H6
TransmissionT7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/21 MPG16/23 MPG
Audio (watts, speakers)900, 12235, 9
Tire (rear if not all the same)255/35-19235/35-19
Total Price$226,265$119,070
Adjustments for Features-20,3000
Feature-Adjusted Total Price$205,965$119,070
Total Invoice$210,583$103,565
Adjustments for Features-18,8930
Feature-Adjusted Total Invoice$191,690$103,565

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20142008
ModelSL911
TrimSL65 AMGCarrera S
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manual $150
RWD$0$0
Accessories 
Adaptive cruise control, all-speed$850 
Cruise control $150
Hands-free trunk or liftgate$100 
Power door closers$300 
Power trunk closer$350 
Proximity key$250 
Remote app$25 
Semi-automated parking system$500 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Wind blocker $300
Wind blocker, power small$300 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Blind spot collision prevention$150 
Blind spot warning system$200 
Driver drowsiness monitor$150 
Forward collision warning$200 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane departure prevention$150 
Lane departure warning$200 
Night vision$1750 
Obstacle detection, front$150 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Side curtain airbags$350 
Torque vectoring, brake-based$100 
Cargo Management 
Air-conditioned storage compartment$50 
Storage compartment under front seat(s)$50 
Climate Control 
Adaptive windshield washer system$0 
Automatic air recirculation$100 
Dual-zone climate control$125 
Residual heat$50 
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
Exterior 
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 
Retractable rear spoiler $400
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-compatible player$0 
HD radio$50 
In-vehicle Internet$150 
iPod integration$100 
Media drive$15 
Off-road navigation system $0
Satellite radio$200 
SD Card slot$25 
SMS text-to-speech reader$25 
Surround sound$250 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Cornering lights$50 
Fog light, rear$100 
Mirror tilt-down in reverse$25 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
Cooled or ventilated front seats$300 
Folding second row seats $300
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
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$27,090$6,790
Value of Feature Adjustments$20,300$0
Value of Feature Adjustments-18,8930

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20142008
ModelSL911
Body2dr Hardtop conv.2dr Convertible
Wheelbase101.8 in92.5 in
Length181.8 in175.6 in
Width73.9 in71.2 in
Height51.8 in51.6 in
Curb Weight4,299 lb.3,341 lb.
Fuel Capacity19.8 gal.17.0 gal.
Row 1 Headroom39.1 in38.0 in
Row 1 Shoulder Room55.5 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.9 in41.6 in
Row 2 Headroom0.0 in31.5 in
Cargo Volume,
Minimum
8.5 ft34.8 ft3
Cargo Volume,
Maximum
13.5 ft34.8 ft3

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Option Package Details
Porsche 911 Carrera S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Total Requested275100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
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%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Total Requested300100%
Total Not Requested00%

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