Audi A6 / S6 Audi A6 / S6 2008 Mercedes-Benz M-Class Mercedes-Benz M-Class 2015

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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: $63,315

Audi A6 / S6 A6 3.2 Avant   
Difference: $39,830

Lowest Total Invoice: $58,854

Audi A6 / S6 A6 3.2 Avant   
Difference: $37,137

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082015
ModelA6 / S6M-Class
TrimA6 3.2 AvantML63 AMG
Body4dr Wagon4dr SUV
Base Price $49,000 $98,400
Base Invoice $45,570 $91,512
Cold Weather Package 600  
Technology Package 4,100  
Premium Package 2,550  
S Line Package 2,000  
Sport suspension (upgrade) 500  
Adaptive cruise control 2,000  
Sunshades, second row 250  
Rear side airbags 350 420
iPod integration 290  
Lane departure warning 900  
Convenience Package   580
Driver Assistance Package   1,950
Special order charge   250
Heated second row seats   620
Cold Weather Package 557  
Technology Package 3,813  
Premium Package 2,372  
S Line Package 1,820  
Sport suspension (upgrade) 466  
Adaptive cruise control 1,860  
Sunshades, second row 233  
Rear side airbags 325 391
iPod integration 225  
Lane departure warning 838  
Convenience Package   539
Driver Assistance Package   1,814
Special order charge   233
Heated second row seats   577
Options (change) 13,540 3,820
Options (change) 12,509 3,554
Destination 775 925
Total Price $63,315 $103,145
Total Invoice $58,854 $95,991

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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 M-Class dealer quotes from dealers using our car quote form.

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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: $31,740
TrueDelta Adjusted Invoice Difference: $29,608
Model Year20082015
ModelA6 / S6M-Class
TrimA6 3.2 AvantML63 AMG
Body4dr Wagon4dr SUV
Engine255hp V6518hp V8
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)14/19 MPG13/17 MPG
Audio (watts, speakers)270, 13830, 14
Tire (rear if not all the same)245/40-18265/45-20
Total Price$63,315$103,145
Adjustments for Features0-8,090
Feature-Adjusted Total Price$63,315$95,055
Total Invoice$58,854$95,991
Adjustments for Features0-7,529
Feature-Adjusted Total Invoice$58,854$88,462

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

Model Year20082015
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
Heated / cooled cup holders, front row $75
Heated steering wheel$100 
Remote app $25
Remote window/roof operation $15
Semi-automated parking system $500
Brakes, Airbags, and Other Safety 
Around view cameras $500
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
Rearview camera$200 
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
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
Engine / Motor 
Automatic start / stop $150
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, remote$200 
CD player $125
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
Navigation map updates, three years $0
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
Leather-wrapped steering wheel$150 
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
Synthetic suede steering wheel $150
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$5,680$13,770
Value of Feature Adjustments$0$8,090
Value of Feature Adjustments0-7,529

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

Model Year20082015
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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Option Package Details
Audi A6 / S6 A6 3.2 Avant

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100No
Ski sack50No
Total Requested30067%
Total Not Requested15033%
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%
Premium Package
FeatureValueRequested?
Power liftgate350Yes
Bose, 270W, 13 speakers (with subwoofer)350No
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
Surround sound250Yes
Storage compartment under front seat(s)50No
Total Requested157577%
Total Not Requested47523%
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%

Option Package Details
Mercedes-Benz M-Class ML63 AMG

Convenience Package
FeatureValueRequested?
Sunshades, second row125Yes
Rear seat pass-through100Yes
Total Requested225100%
Total Not Requested00%
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%

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