Mercedes-Benz M-Class Mercedes-Benz M-Class 2013 Audi A6 / S6 Audi A6 / S6 2008

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

Join Us

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

Lowest Total Price: $63,065

Audi A6 / S6 A6 3.2 Avant   
Difference: $36,735

Lowest Total Invoice: $58,621

Audi A6 / S6 A6 3.2 Avant   
Difference: $34,257

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132008
ModelM-ClassA6 / S6
TrimML63 AMGA6 3.2 Avant
Body4dr SUV4dr Wagon
Base Price $96,100 $49,000
Base Invoice $89,373 $45,570
Driver Assistance Package 1,950  
Heated second row seats 620  
Heated steering wheel 225  
Premium Package   2,550
Technology Package   4,100
Cold Weather Package   600
S Line Package   2,000
Sport suspension (upgrade)   500
iPod integration   290
Rear side airbags   350
Lane departure warning   900
Adaptive cruise control   2,000
Driver Assistance Package 1,814  
Heated second row seats 577  
Heated steering wheel 209  
Premium Package   2,372
Technology Package   3,813
Cold Weather Package   557
S Line Package   1,820
Sport suspension (upgrade)   466
iPod integration   225
Rear side airbags   325
Lane departure warning   838
Adaptive cruise control   1,860
Options (change) 2,795 13,290
Options (change) 2,600 12,276
Destination 905 775
Total Price $99,800 $63,065
Total Invoice $92,878 $58,621

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 M-Class dealer quotes or Audi A6 / S6 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 M-Class vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.2 Avant
TrueDelta Adjusted Price Difference: $28,970
TrueDelta Adjusted Invoice Difference: $27,031
Model Year20132008
ModelM-ClassA6 / S6
TrimML63 AMGA6 3.2 Avant
Body4dr SUV4dr Wagon
Engine518hp V8255hp V6
TransmissionT7T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/17 MPG14/19 MPG
Audio (watts, speakers)830, 14270, 13
Tire (rear if not all the same)265/45-20245/40-18
Total Price$99,800$63,065
Adjustments for Features-7,7650
Feature-Adjusted Total Price$92,035$63,065
Total Invoice$92,878$58,621
Adjustments for Features-7,2260
Feature-Adjusted Total Invoice$85,652$58,621

Return to top

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

Model Year20132008
ModelM-ClassA6 / S6
TrimML63 AMGA6 3.2 Avant
Body4dr SUV4dr Wagon
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
AC power outlet$100 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
Remote app$25 
Remote window/roof operation$15 
Semi-automated parking system$500 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$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 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
DVD-compatible player$0 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Media drive$15 
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
USB port$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Chronometer$100 
Fog lights $125
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Door sill trim plates $100
Illuminated door sill trim plates$200 
Manual thigh support length adjuster, driver seat $50
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$13,095$5,330
Value of Feature Adjustments$7,765$0
Value of Feature Adjustments-7,2260

Return to top

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

Model Year20132008
ModelM-ClassA6 / S6
Body4dr SUV4dr Wagon
Wheelbase114.8 in111.9 in
Length189.1 in194.2 in
Width75.2 in73.1 in
Height70.7 in58.2 in
Curb Weight5,238 lb.4,641 lb.
Fuel Capacity24.6 gal.21.1 gal.
Row 1 Headroom38.9 in37.6 in
Row 1 Shoulder Room58.5 in57.1 in
Row 1 Legroom40.3 in41.3 in
Row 2 Headroom38.5 in38.0 in
Row 2 Shoulder Room58.4 in55.9 in
Row 2 Legroom38.4 in36.9 in
Cargo Volume,
Minimum
36.2 ft333.9 ft3
Cargo Volume,
Maximum
71.0 ft358.6 ft3

Return to top

Option Package Details
Mercedes-Benz M-Class ML63 AMG

Driver Assistance Package
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Blind spot intervention150No
Total Requested00%
Total Not Requested1400100%

Option Package Details
Audi A6 / S6 A6 3.2 Avant

Premium Package
FeatureValueRequested?
Power liftgate350Yes
Bose, 270W, 13 speakers (with subwoofer)350No
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
Compass0Yes
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 wheel100Yes
Ski sack50No
Total Requested30067%
Total Not Requested15033%
S Line Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Manual thigh support adjuster, driver seat50No
Front sport buckets100Yes
Special interior trim0No
Steering-wheel-mounted transmission controls100Yes
Upholstered door panels, leather250Yes
Total Requested45090%
Total Not Requested5010%

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