Audi A6 / S6 Audi A6 / S6 2020 Mercedes-Benz M-Class Mercedes-Benz M-Class 2009
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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: $78,170

Audi A6 / S6 S6   
Difference: $13,985

Calculate Payments

  Down Payment Interest Rate Term
Model Year20202009
ModelA6 / S6M-Class
TrimS6ML63 AMG
Body4dr Sedan4dr SUV
Base Price $73,900 $90,100
Cold Weather Package 500  
Comfort Seating Package 1,850  
Metallic paint (extra cost) 575  
Rear side airbags 350  
Illuminated door sill trim plates   570
Heated second row seats   610
Cold Weather Package 467  
Comfort Seating Package 1,722  
Metallic paint (extra cost) 536  
Rear side airbags 325  
Illuminated door sill trim plates   530
Heated second row seats   567
Options (change) 3,275 1,180
Options (change) 3,050 1,097
Destination 995 875
Total Price $78,170 $92,155

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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.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6
TrueDelta Adjusted Price Difference: $14,030
TrueDelta Adjusted Invoice Difference: $81,722
Model Year20202009
ModelA6 / S6M-Class
TrimS6ML63 AMG
Body4dr Sedan4dr SUV
Engine444hp V6 H503hp V8
TransmissionT8T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14440, 12
Tire (rear if not all the same)255/40-20295/40-20
Total Price$78,170$92,155
Adjustments for Features-450
Feature-Adjusted Total Price$78,125$92,155

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

Model Year20202009
ModelA6 / S6M-Class
TrimS6ML63 AMG
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
AC power outlet $100
Heated steering wheel$100 
Power liftgate $350
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system$200 
Brake- or yaw-sensor-initiated collision preparation system $0
Collision preparation system, rear$100 
Hill descent control $250
Knee airbag, driver$75 
Knee airbag, passenger$75 
Secondary collision brake assist$25 
Trailer sway control $25
Cargo Management 
Cargo area partition net $40
Cargo area rails w/tie downs $50
Cargo cover $75
Cargo net$40 
Console with shifter$150 
Console without shifter $150
Rear seat pass-through$100 
Roof rails $250
Climate Control 
Rear dual-zone climate control$125 
Rear wiper $175
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Bodyside moldings $75
Deep-tinted rear windows $275
Laminated front side windows$200 
Rear bumper protector $40
Running boards $350
Wheel-lip moldings $75
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
In-vehicle Internet$150 
iPod integration $100
Telematics service, such as OnStar $200
Traffic + travel information$25 
Traffic information $25
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer $100
Cornering lights $50
Fog lights $125
Headlight washers $50
Interior ambient lighting$150 
LED headlights$1000 
Steering-linked headlights $150
Xenon HID headlights $500
Seats and Interior Trim 
Massage, driver seat$100 
Massage, passenger seat$100 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector$200 
Total Value of Features$7,465$7,420
Value of Feature Adjustments$45$0
Value of Feature Adjustments-20

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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 Year20202009
ModelA6 / S6M-Class
Body4dr Sedan4dr SUV
Wheelbase115.1 in114.7 in
Length194.4 in188.5 in
Width74.3 in75.2 in
Height57.4 in70.1 in
Curb Weight4,102 lb.4,706 lb.
Fuel Capacity19.3 gal.25.1 gal.
Row 1 Headroom38.0 in39.9 in
Row 1 Shoulder Room57.8 in59.9 in
Row 1 Hip Room0.0 in55.9 in
Row 1 Legroom41.3 in42.2 in
Row 2 Headroom38.1 in39.8 in
Row 2 Shoulder Room56.5 in59.8 in
Row 2 Hip Room0.0 in56.2 in
Row 2 Legroom37.4 in40.0 in
Cargo Volume,
Minimum		13.7 ft329.4 ft3
Cargo Volume,
Maximum		13.772.4 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 S6

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support length adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested85068%
Total Not Requested40032%

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