BMW M6 vs. Audi S3
When we compare the BMW M6's and the Audi S3's specifications and ratings, the BMW M6 has the advantage in the areas of reliability, interior volume and base engine power. The Audi S3 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency, resale value and overall quality score. Based on this comparison of the BMW M6's and the Audi S3's specifications and ratings, the Audi S3 is a better car than the BMW M6.
BMW M6 vs. Audi S3 Pricing
A used 2019 BMW M6 ranges from $49,977 to $69,919 while a used 2019 Audi S3 is priced between $27,800 to $40,958.
BMW M6 vs. Audi S3 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the BMW M6 loses 56.1 percent of its value and the Audi S3 loses 44.2 percent of its value. This means the Audi S3 retains 11.9 percentage points more of its value and has the advantage of higher resale value versus the BMW M6.
BMW M6 vs. Audi S3 Quality Rating
The iSeeCars Overall Quality rating for the BMW M6 is 6.8 out of 10 while the Audi S3's quality rating is 8.4 out of 10. This results in the BMW M6 being ranked 20 out of 29 Best Luxury Midsize Cars and the Audi S3 being ranked 1 out of 6 Best Luxury Subcompact Cars.
BMW M6 vs. Audi S3 Reliability Rating
iSeeCars’ Reliability Rating for the BMW M6 is 6.6 out of 10. For the Audi S3 the reliability rating is 6.6 out of 10. This gives the BMW M6 a slight advantage in reliability compared to the Audi S3.
Engine Power and Fuel Efficiency Comparison
For engine performance, the BMW M6’s base engine makes 552 horsepower, and the Audi S3 base engine makes 288 horsepower. The M6 is rated to deliver an average of 16 miles per gallon, with a highway range of 422 miles. The S3 is rated to deliver an average of 25 miles per gallon, with a highway range of 421 miles.This gives the Audi S3 the advantage in fuel efficiency and the BMW M6 the advantage in maximum range. Both models use premium unleaded.
Passenger Space Comparison
The BMW M6, a midsize car, has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear head room, rear shoulder room, rear leg room, and cargo space.
Safety Ratings Comparison
The Audi S3 has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.
Pricing
New Asking Price:
-
Used Asking Price:
49977 - 69919
5-Year Depreciation (lower is better):
0.56109
Pricing
New Asking Price:
-
Used Asking Price:
27800 - 40958
5-Year Depreciation (lower is better):
0.442254
BMW M6 Scores & Rankings
Overall Score:
6.811418 / 10
Reliability:
6.622836 / 10
Retained Value:
7.0 / 10
Safety:
Not available
Audi S3 Scores & Rankings
Overall Score:
8.4 / 10
Reliability:
6.6 / 10
Retained Value:
8.6 / 10
Safety:
10.0 / 10
BMW M6 Rankings
Ranking
3 out of / 29Ranking
6 out of / 29Ranking
8 out of / 11Ranking
19 out of / 29Ranking
20 out of / 29Ranking
21 out of / 29Audi S3 Rankings
Ranking
1 out of / 6Ranking
1 out of / 6Ranking
3 out of / 6Ranking
3 out of / 5Ranking
4 out of / 6Ranking
5 out of / 6Ranking
6 out of / 21Ranking
6 out of / 6Ranking
10 out of / 36Ranking
14 out of / 36Ranking
18 out of / 31Ranking
19 out of / 36Ranking
25 out of / 36Ranking
32 out of / 36Ranking
33 out of / 36Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW M6 Trim Levels
Gran Coupe
Audi S3 Trim Levels
2.0T quattro Premium Plus, 2.0T quattro Prestige
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):
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
552 hp @ 6000 rpm
Torque:
502 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.125 hp per pound
Base Drivetrain Specifications
Horsepower:
288 hp @ 5400 rpm
Torque:
280 foot-lbs @ 1900 rpm
Power-to-Weight Ratio (higher is better):
0.082 hp per pound
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 20 / 16
Range (city/hwy):
295 / 422 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
22 / 29 / 25
Range (city/hwy):
319 / 421 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Apple Car Play:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Wireless Smartphone Charging:
Standard
Cooled/Ventilated Seats:
Available
Adaptive Cruise Control:
N/A
Android Auto:
N/A
Heated Steering Wheel:
N/A
Sunroof/Moonroof:
N/A
Standard/Optional Features
Apple Car Play:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Available
Wireless Smartphone Charging:
Standard
Cooled/Ventilated Seats:
N/A
Adaptive Cruise Control:
Available
Android Auto:
Standard
Heated Steering Wheel:
Standard
Sunroof/Moonroof:
Standard
Safety Equipment
Lane Departure Warning:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Equipment
Lane Departure Warning:
Available
360-Degree Camera:
N/A
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
N/A
Forward Collision Warning:
Standard
Lane Keeping Assist:
Available
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
40.6 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
56.7 inches
Rear Head Room:
37 inches
Rear Leg Room:
35.3 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
16.2 cubic feet
Overall Interior Volume:
97.0 cubic feet
Interior Dimensions
Front Head Room:
36.5 inches
Front Leg Room:
41.2 inches
Front Shoulder Room:
54.8 inches
Rear Head Room:
36.1 inches
Rear Leg Room:
35.1 inches
Rear Shoulder Room:
53 inches
Cargo Space:
10 cubic feet
Overall Interior Volume:
86.0 cubic feet
Exterior Dimensions
Curb Weight:
4430 lbs
Width:
82.9 inches
Height:
54.9 inches
Length:
197.5 inches
Wheelbase:
116.7 inches
Ground Clearance:
4.3 inches
Exterior Dimensions
Curb Weight:
3494 lbs
Width:
77.2 inches
Height:
54.8 inches
Length:
175.8 inches
Wheelbase:
103.6 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
265/35ZR20
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/40R18