Mercedes-Benz SL Mercedes-Benz SL 2012 Audi A8 / S8 Audi A8 / S8 2017

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $118,950

Audi A8 / S8 S8 Plus   
Difference: $28,445

Lowest Total Invoice: $110,692

Audi A8 / S8 S8 Plus   
Difference: $26,628

Calculate Payments

  Down Payment Interest Rate Term
Model Year20122017
ModelSLA8 / S8
TrimSL63 AMGS8 Plus
Body2dr Hardtop conv.4dr Sedan
Base Price $140,440 $115,900
Base Invoice $130,609 $107,788
Obstacle detection, rear 1,180  
Wood trim 0 0
Adaptive cruise control 2,300  
Driver Assistance Package   2,100
Obstacle detection, rear 1,097  
Wood trim 0 0
Adaptive cruise control 2,139  
Driver Assistance Package   1,954
Options (change) 3,480 2,100
Options (change) 3,236 1,954
Destination 875 950
Gas Tax 2,600 0
Total Price $147,395 $118,950
Total Invoice $137,320 $110,692

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SL dealer quotes or Audi A8 / S8 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Audi A8 / S8 S8 Plus
TrueDelta Adjusted Price Difference: $28,510
TrueDelta Adjusted Invoice Difference: $26,688
Model Year20122017
ModelSLA8 / S8
TrimSL63 AMGS8 Plus
Body2dr Hardtop conv.4dr Sedan
Engine518hp V8605hp V8
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)12/19 MPG15/24 MPG
Audio (watts, speakers)510, 10630, 14
Tire (rear if not all the same)255/35-19275/35-21
Total Price$147,395$118,950
Adjustments for Features0-65
Feature-Adjusted Total Price$147,395$118,885
Total Invoice$137,320$110,692
Adjustments for Features0-60
Feature-Adjusted Total Invoice$137,320$110,632

Return to top

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

Model Year20122017
ModelSLA8 / S8
TrimSL63 AMGS8 Plus
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
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
Hands-free trunk or liftgate $100
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
Collision preparation system, rear $100
Forward collision warning $200
Full-size spare tire $225
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Lane departure warning $200
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 
Cargo net $40
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 
Laminated front side windows $200
Laminated rear side windows $100
Power retractable hardtop$6750 
Rear spoiler $200
Sunroof $900
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
In-vehicle Internet $150
iPod integration$100 
Telematics service, such as OnStar$200 
Traffic + travel information $25
Traffic 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
Compass $0
Fog lights$125 
Head-up display (HUD) $350
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
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
Synthetic suede steering wheel$150 
Upholstered instrument panel $300
Upholstered instrument panel, leather$1000 
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
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$15,975$16,040
Value of Feature Adjustments$0$65
Value of Feature Adjustments0-60

Return to top

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

Model Year20122017
ModelSLA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in117.8 in
Length180.4 in202.6 in
Width71.5 in76.7 in
Height51.1 in57.4 in
Curb Weight4,274 lb.4,685 lb.
Fuel Capacity21.1 gal.21.7 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 in38.7 in
Cargo Volume,
Minimum
7.2 ft314.2 ft3
Cargo Volume,
Maximum
10.2 ft314.2 ft3

Return to top

Option Package Details
Audi A8 / S8 S8 Plus

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200No
Lane departure prevention system, steering-based200No
Total Requested00%
Total Not Requested1500100%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.