Mercedes-Benz SL Mercedes-Benz SL 2009 Audi A8 / S8 Audi A8 / S8 2013

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Mercedes-Benz SL vs. Audi A8 / S8 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. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $113,395

Audi A8 / S8 S8   
Difference: $31,410

Lowest Total Invoice: $105,522

Audi A8 / S8 S8   
Difference: $29,390

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092013
ModelSLA8 / S8
TrimSL600S8
Body2dr Hardtop conv.4dr Sedan
Base Price $139,100 $110,000
Base Invoice $129,363 $102,300
Adaptive cruise control 2,230  
Driver Assistance Package   2,500
Wood trim   0
Adaptive cruise control 2,074  
Driver Assistance Package   2,327
Wood trim   0
Options (change) 2,230 2,500
Options (change) 2,074 2,327
Destination 875 895
Gas Tax 2,600 0
Total Price $144,805 $113,395
Total Invoice $134,912 $105,522

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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 Audi A8 / S8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SL vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Audi A8 / S8 S8
TrueDelta Adjusted Price Difference: $30,585
TrueDelta Adjusted Invoice Difference: $28,621
Model Year20092013
ModelSLA8 / S8
TrimSL600S8
Body2dr Hardtop conv.4dr Sedan
Engine510hp V12520hp V8
TransmissionT5T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)11/18 MPG15/26 MPG
Audio (watts, speakers)510, 10630, 14
Tire (rear if not all the same)255/40-18265/35-21
Total Price$144,805$113,395
Adjustments for Features-8250
Feature-Adjusted Total Price$143,980$113,395
Total Invoice$134,912$105,522
Adjustments for Features-7690
Feature-Adjusted Total Invoice$134,143$105,522

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Features Comparison: Mercedes-Benz SL vs. Audi A8 / S8

Model Year20092013
ModelSLA8 / S8
TrimSL600S8
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Power door closers $300
Power rear side windows $200
Sunshade, rear, power $225
Sunshades, second row, power $225
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Auto-raising roll bars / headrests$500 
Automatic braking, low-speed $200
Blind spot warning system $200
Forward collision warning $200
Full-size spare tire $225
Knee airbag, passenger $75
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rollover sensor $50
Side curtain airbags $350
Temporary spare tire$150 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Wiper de-icer$25 
Engine / Motor 
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Glass roof panel(s)$300 
Laminated front side windows $200
Laminated rear side windows $100
Power retractable hardtop$6750 
Sunroof $900
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Telematics service, such as OnStar$200 
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror $75
LED headlights $1000
Power-folding mirrors $50
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Leather-wrapped steering wheel $150
Metal pedals$75 
Neck-level heating, front seats$150 
No leather in second row$-300 
Power seat belt height adjusters, front row $25
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Upholstered instrument panel $300
Upholstered instrument panel, leather$1000 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Active steering $1000
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$15,675$14,850
Value of Feature Adjustments$825$0
Value of Feature Adjustments-7690

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Specifications Comparison: Mercedes-Benz SL vs. Audi A8 / S8

Model Year20092013
ModelSLA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in117.8 in
Length180.4 in202.2 in
Width71.5 in76.7 in
Height51.1 in57.5 in
Curb Weight4,455 lb.4,641 lb.
Fuel Capacity21.1 gal.23.8 gal.
Row 1 Headroom37.7 in37.2 in
Row 1 Shoulder Room54.0 in59.1 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.4 in
Row 2 Headroom0.0 in38.1 in
Row 2 Shoulder Room0.0 in57.8 in
Row 2 Legroom0.0 in37.7 in
Cargo Volume,
Minimum
7.2 ft313.2 ft3
Cargo Volume,
Maximum
10.2 ft313.2 ft3

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Option Package Details
Audi A8 / S8 S8

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Blind spot warning system200No
Automatic braking, low-speed200No
Forward collision alert200No
Total Requested00%
Total Not Requested1300100%

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