Audi A6 / S6 Audi A6 / S6 2010 Mercedes-Benz M-Class Mercedes-Benz M-Class 2008

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

Join Us

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: $59,225

Audi A6 / S6 A6 3.0T Avant   
Difference: $31,400

Lowest Total Invoice: $55,104

Audi A6 / S6 A6 3.0T Avant   
Difference: $29,238

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102008
ModelA6 / S6M-Class
TrimA6 3.0T AvantML63 AMG
Body4dr Wagon4dr SUV
Base Price $53,310 $87,000
Base Invoice $49,579 $80,910
Cold Weather Package 450  
Prestige Package 3,050  
Sport Package 1,000  
Cargo mat 125 160
All-weather floor mats 115  
Rear side airbags 350  
iPod integration   375
Voice control for nav and audio   510
Proximity key   1,110
Heated second row seats   595
Cold Weather Package 418  
Prestige Package 2,837  
Sport Package 930  
Cargo mat 100 149
All-weather floor mats 90  
Rear side airbags 325  
iPod integration   349
Voice control for nav and audio   474
Proximity key   1,032
Heated second row seats   553
Options (change) 5,090 2,750
Options (change) 4,700 2,557
Destination 825 875
Total Price $59,225 $90,625
Total Invoice $55,104 $84,342

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 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 3.0T Avant
TrueDelta Adjusted Price Difference: $27,350
TrueDelta Adjusted Invoice Difference: $25,469
Model Year20102008
ModelA6 / S6M-Class
TrimA6 3.0T AvantML63 AMG
Body4dr Wagon4dr SUV
Engine300hp V6503hp V8
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)14/19 MPG11/14 MPG
Audio (watts, speakers)255, 9440, 12
Tire (rear if not all the same)245/40-18295/40-20
Total Price$59,225$90,625
Adjustments for Features0-4,050
Feature-Adjusted Total Price$59,225$86,575
Total Invoice$55,104$84,342
Adjustments for Features0-3,769
Feature-Adjusted Total Invoice$55,104$80,573

Return to top

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

Model Year20102008
ModelA6 / S6M-Class
TrimA6 3.0T AvantML63 AMG
Body4dr Wagon4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
Heated steering wheel$100 
Remote window/roof operation $15
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Full-size spare tire$225 
Hill descent control $250
Rollover sensor $50
Temporary spare tire $150
Trailer sway control $25
Cargo Management 
Cargo net$40 
Console with shifter$150 
Console without shifter $150
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents$100 
Rear air vents with automatic controls $250
Rear wiper $175
Exterior 
Deep-tinted rear windows $275
Rear bumper protector $40
Running boards $350
Wheel-lip moldings $75
Infotainment 
Aux input$50 
CD player $125
DVD-compatible player$0 
Media drive$15 
Rear seat audio controls $25
Telematics service, such as OnStar $200
Traffic information$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer $100
Compass$0 
Headlight washers $50
Interior ambient lighting$150 
Power-folding mirrors $50
Seats and Interior Trim 
All-weather floor mats$75 
Cooled or ventilated front seats $300
Leather door panel trim $250
Memory system, passenger seat $150
Metal pedals $75
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 support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Total Value of Features$3,980$8,030
Value of Feature Adjustments$0$4,050
Value of Feature Adjustments0-3,769

Return to top

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

Model Year20102008
ModelA6 / S6M-Class
Body4dr Wagon4dr SUV
Wheelbase111.9 in114.7 in
Length194.2 in188.5 in
Width73.1 in75.2 in
Height58.2 in71.5 in
Curb Weight4,563 lb.5,093 lb.
Fuel Capacity21.1 gal.25.1 gal.
Row 1 Headroom37.6 in39.9 in
Row 1 Shoulder Room57.1 in59.9 in
Row 1 Hip Room0.0 in55.0 in
Row 1 Legroom41.3 in42.2 in
Row 2 Headroom38.0 in39.8 in
Row 2 Shoulder Room55.9 in59.8 in
Row 2 Legroom36.9 in40.0 in
Cargo Volume,
Minimum
33.9 ft329.4 ft3
Cargo Volume,
Maximum
58.6 ft372.4 ft3

Return to top

Option Package Details
Audi A6 / S6 A6 3.0T Avant

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%
Prestige Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Steering-linked headlights150Yes
Rearview camera200Yes
Surround sound250Yes
Cornering lights50Yes
Proximity key250Yes
Steering-wheel-mounted transmission controls100Yes
Bose, 255W, 9 speakers (with subwoofer)350No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
245/40HR18 tires400No
Total Requested202571%
Total Not Requested82529%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
245/40HR18 tires400No
Steering-wheel-mounted transmission controls100Yes
Total Requested35047%
Total Not Requested40053%

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 Sedans and Wagons.
See TrueDelta's information for all Audi models.