Audi A6 / S6 Audi A6 / S6 2009 Mercedes-Benz SLS AMG Mercedes-Benz SLS AMG 2011

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Audi A6 / S6 vs. Mercedes-Benz SLS AMG 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.

Audi A6 / S6 vs. Mercedes-Benz SLS AMG Invoice Comparison

Lowest Total Price: $57,525

Audi A6 / S6 A6 3.0T   
Difference: $134,050

Lowest Total Invoice: $53,557

Audi A6 / S6 A6 3.0T   
Difference: $124,788

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092011
ModelA6 / S6A6 / S6SLS AMG
TrimA6 3.0TS6Base
Body4dr Sedan4dr Sedan2dr Coupe
Base Price $50,100 $75,900 $183,000
Base Invoice $46,593 $70,588 $170,190
Prestige Package 5,100    
Sport Package 1,500    
Carbon fiber trim   400 4,500
Sport suspension (upgrade)     1,500
Prestige Package 4,743    
Sport Package 1,396    
Carbon fiber trim   373 4,185
Sport suspension (upgrade)     1,395
Options (change) 6,600 400 6,000
Options (change) 6,139 373 5,580
Destination 825 825 875
Gas Tax 0 1,300 1,700
Total Price $57,525 $78,425 $191,575
Total Invoice $53,557 $73,086 $178,345

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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 Audi A6 / S6 dealer quotes or Mercedes-Benz SLS AMG dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A6 / S6 vs. Mercedes-Benz SLS AMG

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.0T
TrueDelta Adjusted Price Difference: $134,645
TrueDelta Adjusted Invoice Difference: $125,342
Model Year200920092011
ModelA6 / S6A6 / S6SLS AMG
TrimA6 3.0TS6Base
Body4dr Sedan4dr Sedan2dr Coupe
Engine300hp V6435hp V10563hp V8
TransmissionT6T6T7
DrivetrainAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)255, 9255, 9?, 6
Tire (rear if not all the same)245/40-18265/35-19265/35-19
Total Price$57,525$78,425$191,575
Adjustments for Features-595-1,3700
Feature-Adjusted Total Price$56,930$77,055$191,575
Cost Above Minimum$0$20,125$0
Total Invoice$53,557$73,086$178,345
Adjustments for Features-554-1,2770
Feature-Adjusted Total Invoice$53,003$71,809$178,345
Cost Above Minimum$0$18,806$0

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Features Comparison: Audi A6 / S6 vs. Mercedes-Benz SLS AMG

Model Year200920092011
ModelA6 / S6A6 / S6SLS AMG
TrimA6 3.0TS6Base
Body4dr Sedan4dr Sedan2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
7-speed manually-shiftable automatic  $1200
AWD$1700$1700 
RWD  $0
Accessories 
Power rear side windows$200$200 
Remote window/roof operation  $15
Sunshade, rear, power$225$225 
Sunshades, second row$125$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Full-size spare tire$225$225 
Knee airbag, driver  $75
Knee airbag, passenger  $75
Obstacle detection, front  $150
Obstacle detection, rear  $250
Cargo Management 
Rear seat pass-through $100 
Ski sack $50 
Climate Control 
Rear air vents$100$100 
Wiper de-icer  $25
Drivetrain 
Limited-slip rear differential  $300
Exterior 
Bodyside cladding $350 
Bodyside moldings$75  
Bright-finished fuel door  $100
Retractable rear spoiler  $400
Sunroof$900$900 
Infotainment 
CD changer, in-dash  $325
CD changer, remote$200$200 
DVD-compatible player  $0
HD radio  $50
Media drive  $15
SD Card slot  $25
Surround sound$250$250 
Telematics service, such as OnStar  $200
Traffic information  $25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75 
Compass$0$0 
Fog lights$125$125 
Headlight washers $50$50
Steering-linked headlights$150$150 
Seats and Interior Trim 
Carbon fiber trim $200$200
Center armrest(s), second row$50$50 
Door sill trim plates$100$100 
Folding second row seats$300$300 
Leather door panel trim $250$250
Manual thigh support length adjuster, driver seat $50 
Memory system, passenger seat  $150
Metal pedals  $75
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
Synthetic suede headliner  $650
Upholstered instrument panel, leather  $1000
Wood trim$300  
Transmission 
Launch control  $100
Total Value of Features$6,200$6,975$5,605
Value of Feature Adjustments$595$1,370$0
Value of Feature Adjustments-554-1,2770

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Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz SLS AMG

Model Year20092011
ModelA6 / S6SLS AMG
Body4dr Sedan2dr Coupe
Wheelbase111.9 in105.5 in
Length193.5 in182.6 in
Width73.0 in76.3 in
Height57.5 in49.3 in
Curb Weight4,124 lb.3,574 lb.
Fuel Capacity21.1 gal.22.4 gal.
Row 1 Headroom38.7 in39.0 in
Row 1 Shoulder Room57.1 in58.4 in
Row 1 Hip Room0.0 in63.2 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room55.9 in0.0 in
Row 2 Legroom36.9 in0.0 in
Cargo Volume15.9 ft36.2 ft3

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Option Package Details
Audi A6 / S6 A6 3.0T

Prestige Package
FeatureValueRequested?
Navigation system600Yes
Tilt/telescoping steering wheel, power100Yes
Steering-linked headlights150No
Rearview camera200Yes
Surround sound250No
Cornering lights50Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Steering-wheel-mounted transmission controls100Yes
Bose, 255W, 9 speakers (with subwoofer)350No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Special exterior trim0No
Auto-dimming passenger-side mirror75No
Door sill trim plates100No
245/40HR18 tires400No
Total Requested232564%
Total Not Requested132536%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Steering-wheel-mounted transmission controls100Yes
255/35YR19 tires400No
Total Requested35047%
Total Not Requested40053%

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