Audi S6 vs. BMW M3
When comparing the Audi S6's and the BMW M3's specifications and ratings, the Audi S6 has the advantage in the areas of reliability and interior volume. The BMW M3 has the advantage in the areas of new vehicle base pricing, resale value, overall quality score and base engine power. Based on this comparison of the Audi S6's and the BMW M3's specifications and ratings, the BMW M3 is a better car than the Audi S6.
Audi S6 vs. BMW M3 Pricing
For a new model, the Audi S6's price is between $83,302 and $94,493, with the BMW M3 priced between $82,026 and $125,090.
Audi S6 vs. BMW M3 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the Audi S6 loses 53.9 percent of its value and the BMW M3 loses 41.1 percent of its value. This means the BMW M3 retains 12.8 percentage points more of its value and has the advantage of higher resale value versus the Audi S6.
Audi S6 vs. BMW M3 Quality Rating
The iSeeCars Overall Quality rating for the Audi S6 is 7.7 out of 10 while the BMW M3's quality rating is 8.2 out of 10. This results in the Audi S6 being ranked 16 out of 29 Best Luxury Midsize Cars and the BMW M3 being ranked 13 out of 30 Best Luxury Compact Cars.
Audi S6 vs. BMW M3 Reliability Rating
iSeeCars’ Reliability Rating for the Audi S6 is 7.8 out of 10. For the BMW M3 the reliability rating is 7.6 out of 10. This gives the Audi S6 a slight advantage in reliability compared to the BMW M3.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi S6’s base engine makes 444 horsepower, and the BMW M3 base engine makes 473 horsepower.
Passenger Space Comparison
The Audi S6, a midsize car, has the advantage of offering more interior volume, reflected in more front shoulder room, rear head room, rear shoulder room, rear leg room, and cargo space. The BMW M3, a compact car, has the advantage in the areas of front head room and front leg room.
Pricing
New Asking Price:
83302 - 94493
Used Asking Price:
-
5-Year Depreciation (lower is better):
0.538692
Pricing
New Asking Price:
82026 - 125090
Used Asking Price:
88999 - 150533
5-Year Depreciation (lower is better):
0.410857
Audi S6 Scores & Rankings
Overall Score:
7.65 / 10
Reliability:
7.8 / 10
Retained Value:
7.5 / 10
Safety:
Not available
BMW M3 Scores & Rankings
Overall Score:
8.218848 / 10
Reliability:
7.637696 / 10
Retained Value:
8.8 / 10
Safety:
Not available
Audi S6 Rankings
Ranking
6 out of / 11Ranking
10 out of / 29Ranking
13 out of / 29Ranking
13 out of / 20Ranking
16 out of / 29Ranking
18 out of / 29Ranking
18 out of / 29Ranking
19 out of / 29BMW M3 Rankings
Ranking
1 out of / 30Ranking
2 out of / 36Ranking
3 out of / 36Ranking
3 out of / 30Ranking
7 out of / 30Ranking
9 out of / 36Ranking
9 out of / 30Ranking
9 out of / 15Ranking
10 out of / 21Ranking
10 out of / 10Ranking
11 out of / 36Ranking
13 out of / 36Ranking
13 out of / 30Ranking
14 out of / 36Ranking
25 out of / 26Ranking
29 out of / 31Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi S6 Trim Levels
2.9T quattro Premium, 2.9T quattro Premium Plus, 2.9T quattro Prestige
BMW M3 Trim Levels
Base, Competition, Competition xDrive, CS
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
444 hp @ 5900 rpm
Torque:
442 foot-lbs @ 2700 rpm
Power-to-Weight Ratio (higher is better):
0.099 hp per pound
Base Drivetrain Specifications
Horsepower:
473 hp @ 6250 rpm
Torque:
406 foot-lbs @ 2650 rpm
Power-to-Weight Ratio (higher is better):
0.123 hp per pound
Engine Specifications
Engine Size:
2.9 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
16 / 23 / 19
Range (city/hwy):
250 / 359 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Android Auto:
Standard
Apple Car Play:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Wireless Smartphone Charging:
Available
Standard/Optional Features
Android Auto:
Standard
Apple Car Play:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Available
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Wireless Smartphone Charging:
Standard
Safety Equipment
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Available
Lane Keeping Assist:
Available
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
Safety Equipment
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
Standard
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
Interior Dimensions
Front Head Room:
38 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
38.1 inches
Rear Leg Room:
37.4 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
13.7 cubic feet
Overall Interior Volume:
98.0 cubic feet
Interior Dimensions
Front Head Room:
40.6 inches
Front Leg Room:
41.6 inches
Front Shoulder Room:
56 inches
Rear Head Room:
37.8 inches
Rear Leg Room:
35.6 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
13 cubic feet
Overall Interior Volume:
95.0 cubic feet
Exterior Dimensions
Curb Weight:
4486 lbs
Width:
83.1 inches
Height:
56.9 inches
Length:
195 inches
Wheelbase:
115.3 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3840 lbs
Width:
81.4 inches
Height:
56.4 inches
Length:
189.1 inches
Wheelbase:
112.5 inches
Ground Clearance:
4.7 inches
Standard Wheel/Tire Information
Wheel Size:
21.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/35R21
Standard Wheel/Tire Information
Wheel Size:
18.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
275/40R18