Audi A6 / S6 Audi A6 / S6 2008 Mercedes-Benz M-Class Mercedes-Benz M-Class 2012
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Audi A6 / S6 vs. Mercedes-Benz M-Class 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 M-Class Invoice Comparison

Lowest Total Price: $62,755

Audi A6 / S6 A6 3.2 Avant   
Difference: $36,420

Lowest Total Invoice: $58,372

Audi A6 / S6 A6 3.2 Avant   
Difference: $33,923

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082012
ModelA6 / S6M-Class
TrimA6 3.2 AvantML63 AMG
Body4dr Wagon4dr SUV
Base Price $49,000 $94,990
Base Invoice $45,570 $88,341
Upgraded leather upholstery 1,000  
Premium Package 2,550  
Technology Package 4,100  
Wood/leather-wrapped steering wheel 690 590
Cold Weather Package 600  
Sport suspension (upgrade) 500  
Lane departure warning 900  
Rear side airbags 350  
iPod integration 290  
Adaptive cruise control 2,000  
Driver Assistance Package   2,100
Heated second row seats   620
Upgraded leather upholstery 930  
Premium Package 2,372  
Technology Package 3,813  
Wood/leather-wrapped steering wheel 641 549
Cold Weather Package 557  
Sport suspension (upgrade) 466  
Lane departure warning 838  
Rear side airbags 325  
iPod integration 225  
Adaptive cruise control 1,860  
Driver Assistance Package   1,953
Heated second row seats   577
Options (change) 12,980 3,310
Options (change) 12,027 3,079
Destination 775 875
Total Price $62,755 $99,175
Total Invoice $58,372 $92,295

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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

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

Request free, no-obligation Audi A6 / S6 dealer quotes or Mercedes-Benz M-Class 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: Audi A6 / S6 vs. Mercedes-Benz M-Class

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.2 Avant
TrueDelta Adjusted Price Difference: $29,030
TrueDelta Adjusted Invoice Difference: $27,046
Model Year20082012
ModelA6 / S6M-Class
TrimA6 3.2 AvantML63 AMG
Body4dr Wagon4dr SUV
Engine255hp V6518hp V8
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)14/19 MPG14/18 MPG
Audio (watts, speakers)270, 13830, 14
Tire (rear if not all the same)245/40-18265/45-20
Total Price$62,755$99,175
Adjustments for Features0-7,390
Feature-Adjusted Total Price$62,755$91,785
Total Invoice$58,372$92,295
Adjustments for Features0-6,877
Feature-Adjusted Total Invoice$58,372$85,418

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Features Comparison: Audi A6 / S6 vs. Mercedes-Benz M-Class

Model Year20082012
ModelA6 / S6M-Class
TrimA6 3.2 AvantML63 AMG
Body4dr Wagon4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
AC power outlet $100
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Remote window/roof operation $15
Semi-automated parking system $500
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Blind spot collision prevention $150
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Full-size spare tire$225 
Hill descent control $250
Knee airbag, driver $75
Lane departure prevention $150
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rollover sensor $50
Temporary spare tire $150
Trailer sway control $25
Cargo Management 
Aluminum roof rails $250
Cargo area rails w/tie downs$50 
Cargo mat$40 
Cargo net$40 
Console with shifter$150 
Console without shifter $150
Rear seat pass-through$100 
Roof rails$250 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents$100 
Rear air vents with automatic controls $250
Rear wiper $175
Exterior 
Body kit $0
Bodyside moldings$75 
Deep-tinted rear windows $275
Rear bumper protector $40
Rear spoiler $200
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash $325
CD changer, remote$200 
DVD-compatible player $0
HD radio $50
iPod integration$100 
Media drive $15
SD Card slot $25
Telematics service, such as OnStar $200
Traffic information $25
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Chronometer $100
Fog lights$125 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Door sill trim plates$100 
Illuminated door sill trim plates $200
Memory system, passenger seat $150
Metal pedals $75
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Active stabilizer bars $500
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Total Value of Features$5,130$12,520
Value of Feature Adjustments$0$7,390
Value of Feature Adjustments0-6,877

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz M-Class features.

Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz M-Class

Model Year20082012
ModelA6 / S6M-Class
Body4dr Wagon4dr SUV
Wheelbase111.9 in114.8 in
Length194.2 in189.1 in
Width73.1 in75.2 in
Height58.2 in70.7 in
Curb Weight4,641 lb.5,238 lb.
Fuel Capacity21.1 gal.24.6 gal.
Row 1 Headroom37.6 in38.9 in
Row 1 Shoulder Room57.1 in58.5 in
Row 1 Legroom41.3 in40.3 in
Row 2 Headroom38.0 in38.5 in
Row 2 Shoulder Room55.9 in58.4 in
Row 2 Legroom36.9 in38.4 in
Cargo Volume,
Minimum		33.9 ft336.2 ft3
Cargo Volume,
Maximum		58.6 ft371.0 ft3

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz M-Class specs.

Option Package Details
Audi A6 / S6 A6 3.2 Avant

Premium Package
FeatureValueRequested?
Power liftgate350Yes
Bose, 270W, 13 speakers (with subwoofer)350No
Compass0Yes
Surround sound250Yes
Storage compartment under front seat(s)50No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Total Requested157577%
Total Not Requested47523%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Tilt/telescoping steering wheel, power100Yes
Universal garage door opener100Yes
Steering-linked headlights150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1750100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100No
Heated steering wheel100No
Ski sack50No
Total Requested20044%
Total Not Requested25056%

Option Package Details
Mercedes-Benz M-Class ML63 AMG

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Lane departure prevention system150No
Automatic braking, high-speed200No
Forward collision warning200No
Blind spot intervention150No
Total Requested00%
Total Not Requested1400100%

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