Mercedes-Benz M-Class Mercedes-Benz M-Class 2015 Audi A6 / S6 Audi A6 / S6 2018

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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: $87,400

Audi A6 / S6 S6 4.0 TFSI   
Difference: $22,145

Lowest Total Invoice: $81,359

Audi A6 / S6 S6 4.0 TFSI   
Difference: $20,584

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152018
ModelM-ClassA6 / S6
TrimML63 AMGS6 4.0 TFSI
Body4dr SUV4dr Sedan
Base Price $98,400 $71,900
Base Invoice $91,512 $66,868
Convenience Package 580  
Multicontour front seats 1,100  
Driver Assistance Package 1,950 2,000
Rear side airbags 420 350
Special order charge 250  
Wood trim, alternative type 1,600 1,250
Night vision 1,780 2,500
Synthetic suede headliner 1,920 3,000
Heated second row seats 620  
Prestige Package   2,500
Cold Weather Package   500
Comfort Seating Package   1,850
Metallic paint (extra cost)   575
Convenience Package 539  
Multicontour front seats 1,023  
Driver Assistance Package 1,814 1,860
Rear side airbags 391 325
Special order charge 233  
Wood trim, alternative type 1,488 1,164
Night vision 1,655 2,326
Synthetic suede headliner 1,786 2,790
Heated second row seats 577  
Prestige Package   2,326
Cold Weather Package   467
Comfort Seating Package   1,722
Metallic paint (extra cost)   536
Options (change) 10,220 14,525
Options (change) 9,506 13,516
Destination 925 975
Total Price $109,545 $87,400
Total Invoice $101,943 $81,359

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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 Mercedes-Benz M-Class dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $20,265
TrueDelta Adjusted Invoice Difference: $18,834
Model Year20152018
ModelM-ClassA6 / S6
TrimML63 AMGS6 4.0 TFSI
Body4dr SUV4dr Sedan
Engine518hp V8450hp V8
TransmissionT7S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/17 MPG16/24 MPG
Audio (watts, speakers)830, 14630, 14
Tire (rear if not all the same)265/45-20255/35-20
Total Price$109,545$87,400
Adjustments for Features-1,8800
Feature-Adjusted Total Price$107,665$87,400
Total Invoice$101,943$81,359
Adjustments for Features-1,7500
Feature-Adjusted Total Invoice$100,193$81,359

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

Model Year20152018
ModelM-ClassA6 / S6
TrimML63 AMGS6 4.0 TFSI
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
AC power outlet$100 
Hands-free trunk or liftgate $100
Heated / cooled cup holders, front row$75 
Heated steering wheel $100
Power liftgate$350 
Power trunk closer $350
Remote app$25 
Remote window/roof operation$15 
Semi-automated parking system$500 
Sunshade, rear, power $225
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, high-speed or partial$200 
Blind spot collision prevention$150 
Collision preparation system, rear $100
Driver drowsiness monitor$150 
Hill descent control$250 
Knee airbag, passenger $75
Lane departure prevention$150 
Lane departure prevention, steering-based $200
Pedestrian detection, night $50
Secondary collision brake assist $25
Trailer sway control$25 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Aluminum roof rails$250 
Cargo area partition net$40 
Cargo cover$75 
Cargo net $40
Console with shifter $150
Console without shifter$150 
Climate Control 
Rear dual-zone climate control $125
Rear wiper$175 
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Body kit$0 
Deep-tinted rear windows$275 
Laminated front side windows $200
Rear bumper protector$40 
Rear spoiler$200 
Infotainment 
4G LTE connectivity $0
Android Auto support $100
App support$0 
Apple CarPlay support $100
Handwriting recognition $200
Navigation map updates, three years$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Voice control for external devices$0 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Chronometer$100 
Head-up display (HUD) $350
Headlight washers$50 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
LED headlights $1000
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Leather-wrapped steering wheel $150
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 steering wheel$150 
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Active stabilizer bars$500 
Adaptive dampers - electrical$500 
Total Value of Features$9,545$7,665
Value of Feature Adjustments$1,880$0
Value of Feature Adjustments-1,7500

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

Model Year20152018
ModelM-ClassA6 / S6
Body4dr SUV4dr Sedan
Wheelbase114.8 in114.6 in
Length189.1 in194.2 in
Width75.2 in73.8 in
Height70.7 in57.8 in
Curb Weight5,238 lb.4,398 lb.
Fuel Capacity24.6 gal.19.8 gal.
Row 1 Headroom38.9 in37.2 in
Row 1 Shoulder Room58.5 in57.5 in
Row 1 Legroom40.3 in41.3 in
Row 2 Headroom38.5 in37.8 in
Row 2 Shoulder Room58.4 in56.3 in
Row 2 Legroom38.4 in37.4 in
Cargo Volume,
Minimum
36.2 ft314.1 ft3
Cargo Volume,
Maximum
71.0 ft314.1 ft3

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Option Package Details
Mercedes-Benz M-Class ML63 AMG

Convenience Package
FeatureValueRequested?
Sunshades, second row125Yes
Rear seat pass-through100Yes
Total Requested225100%
Total Not Requested00%
Multicontour front seats
FeatureValueRequested?
Power thigh support adjuster, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh support adjuster, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested600100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed200No
Blind spot intervention150No
Total Requested105075%
Total Not Requested35025%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50No
Total Requested175097%
Total Not Requested503%
Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225No
Power trunk closer350Yes
Head-up display (HUD)350No
Around view cameras300Yes
Wide-view front camera150No
Hands-free trunk or liftgate100No
Wide-view rear camera0No
Total Requested77548%
Total Not Requested82552%
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 seat100Yes
Massage, passenger seat100Yes
Total Requested105084%
Total Not Requested20016%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Total Requested150088%
Total Not Requested20012%

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