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

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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: $55,870

Mercedes-Benz M-Class ML350 / ML320   
Difference: $4,840

Lowest Total Invoice: $52,019

Mercedes-Benz M-Class ML350 / ML320   
Difference: $4,506

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152008
ModelA6 / S6M-Class
TrimA6 3.0 TDIML350 / ML320
Body4dr Sedan4dr SUV
Base Price $58,700 $44,000
Base Invoice $54,592 $40,920
Metallic paint (extra cost) 550 710
Rear side airbags 350  
Cargo mat 185 160
Obstacle detection, rear   770
Premium II Package   5,650
3.0L V6 Diesel   1,000
Heated front seats   710
Proximity key   1,110
Voice control for nav and audio   510
iPod integration   375
Metallic paint (extra cost) 511 660
Rear side airbags 325  
Cargo mat 172 149
Obstacle detection, rear   716
Premium II Package   5,254
3.0L V6 Diesel   930
Heated front seats   660
Proximity key   1,032
Voice control for nav and audio   474
iPod integration   349
Options (change) 1,085 10,995
Options (change) 1,008 10,224
Destination 925 875
Total Price $60,710 $55,870
Total Invoice $56,525 $52,019

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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: Mercedes-Benz M-Class ML350 / ML320
TrueDelta Adjusted Price Difference: $4,515
TrueDelta Adjusted Invoice Difference: $4,203
Model Year20152008
ModelA6 / S6M-Class
TrimA6 3.0 TDIML350 / ML320
Body4dr Sedan4dr SUV
Engine240hp V6 D215hp V6 D
TransmissionT8T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)24/38 MPG18/24 MPG
Audio (watts, speakers)?, 10440, 12
Tire (rear if not all the same)245/45-18235/65-17
Total Price$60,710$55,870
Adjustments for Features-3250
Feature-Adjusted Total Price$60,385$55,870
Total Invoice$56,525$52,019
Adjustments for Features-3030
Feature-Adjusted Total Invoice$56,222$52,019

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

Model Year20152008
ModelA6 / S6M-Class
TrimA6 3.0 TDIML350 / ML320
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
Power liftgate $350
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system$200 
Collision preparation system, rear$100 
Hill descent control $250
Knee airbag, driver$75 
Knee airbag, passenger$75 
Trailer sway control $25
Cargo Management 
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 air vents $100
Rear air vents with automatic controls$250 
Rear wiper $175
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Bodyside moldings $75
Deep-tinted rear windows $275
Rear bumper protector $40
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
Rear seat audio controls $25
Surround sound $250
Telematics service, such as OnStar $200
Traffic + travel information$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Compass$0 
Cornering lights $50
Fog lights $125
Headlight washers $50
Interior ambient lighting$150 
Steering-linked headlights $150
Seats and Interior Trim 
Leather seating surfaces$900 
Manual lumbar adjuster, driver seat $50
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Synthetic leather seating surfaces $0
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,630$6,305
Value of Feature Adjustments$325$0
Value of Feature Adjustments-3030

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

Model Year20152008
ModelA6 / S6M-Class
Body4dr Sedan4dr SUV
Wheelbase114.7 in114.7 in
Length193.9 in188.5 in
Width73.8 in75.2 in
Height57.8 in71.5 in
Curb Weight4,178 lb.4,817 lb.
Fuel Capacity19.8 gal.25.1 gal.
Row 1 Headroom37.2 in39.9 in
Row 1 Shoulder Room57.5 in59.9 in
Row 1 Hip Room0.0 in55.0 in
Row 1 Legroom41.3 in42.2 in
Row 2 Headroom37.8 in39.8 in
Row 2 Shoulder Room56.3 in59.8 in
Row 2 Legroom37.4 in40.0 in
Cargo Volume,
Minimum
14.1 ft329.4 ft3
Cargo Volume,
Maximum
14.172.4 ft3

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Option Package Details
Mercedes-Benz M-Class ML350 / ML320

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Premium II Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power headrest height adjuster, driver seat50No
Power headrest height adjuster, passenger seat50No
Auto-dimming rearview mirror150Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Headlight washers50No
Cornering lights50No
Power-folding mirrors50Yes
Mirror tilt-down in reverse25Yes
Navigation system600Yes
Rain-sensing wipers100Yes
Satellite radio200Yes
Bluetooth cell phone link100Yes
Rearview camera200Yes
Power liftgate300No
Surround sound250No
Rear seat audio controls25No
Harman/Kardon, 440W, 12 speakers (with subwoofer)350No
Total Requested220059%
Total Not Requested152541%

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