Audi S6 vs. BMW 3 Series
When comparing the Audi S6's and the BMW 3 Series's specifications and ratings, the Audi S6 has the advantage in the areas of interior volume and base engine power. The BMW 3 Series has the advantage in the areas of new vehicle base pricing, reliability, resale value and overall quality score. Based on this comparison of the Audi S6's and the BMW 3 Series's specifications and ratings, the BMW 3 Series is a better car than the Audi S6.
Audi S6 vs. BMW 3 Series Pricing
For a new model, the Audi S6's price is between $83,302 and $94,493, with the BMW 3 Series priced between $47,938 and $68,615.
Audi S6 vs. BMW 3 Series 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 3 Series loses 52.3 percent of its value. This means the BMW 3 Series retains 1.6 percentage points more of its value and has the advantage of higher resale value versus the Audi S6.
Audi S6 vs. BMW 3 Series Quality Rating
The iSeeCars Overall Quality rating for the Audi S6 is 7.7 out of 10 while the BMW 3 Series' quality rating is 8.7 out of 10. This results in the Audi S6 being ranked 16 out of 29 Best Luxury Midsize Cars and the BMW 3 Series being ranked 6 out of 36 Best Luxury Small Cars.
Audi S6 vs. BMW 3 Series Reliability Rating
iSeeCars’ Reliability Rating for the Audi S6 is 7.8 out of 10. For the BMW 3 Series the reliability rating is 8.4 out of 10. This gives the BMW 3 Series a slight advantage in reliability compared to the Audi S6.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi S6’s base engine makes 444 horsepower, and the BMW 3 Series base engine makes 255 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 3 Series, a compact car, has the advantage in the areas of front head room and front leg room.
Safety Ratings Comparison
The BMW 3 Series has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.
Pricing
New Asking Price:
83302 - 94493
Used Asking Price:
-
5-Year Depreciation (lower is better):
0.538692
Pricing
New Asking Price:
47938 - 68615
Used Asking Price:
47312 - 65946
5-Year Depreciation (lower is better):
0.522554
Audi S6 Scores & Rankings
Overall Score:
7.65 / 10
Reliability:
7.8 / 10
Retained Value:
7.5 / 10
Safety:
Not available
BMW 3 Series Scores & Rankings
Overall Score:
8.686143 / 10
Reliability:
8.358429 / 10
Retained Value:
7.7 / 10
Safety:
10.0 / 10
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 3 Series Rankings
Ranking
2 out of / 21Ranking
2 out of / 15Ranking
6 out of / 36Ranking
6 out of / 36Ranking
6 out of / 30Ranking
6 out of / 10Ranking
9 out of / 30Ranking
10 out of / 30Ranking
11 out of / 36Ranking
12 out of / 36Ranking
12 out of / 26Ranking
14 out of / 31Ranking
15 out of / 30Ranking
17 out of / 36Ranking
25 out of / 30Ranking
31 out of / 36Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Audi S6 Trim Levels
2.9T quattro Premium, 2.9T quattro Premium Plus, 2.9T quattro Prestige
BMW 3 Series Trim Levels
330i, 330i xDrive, M340i, M340i xDrive
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:
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:
255 hp @ 5000 rpm
Torque:
295 foot-lbs @ 1550 rpm
Power-to-Weight Ratio (higher is better):
0.072 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:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
25 / 34 / 29
Range (city/hwy):
390 / 530 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
Available
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:
N/A
Wireless Smartphone Charging:
Available
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:
N/A
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
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:
38.7 inches
Front Leg Room:
42 inches
Front Shoulder Room:
56 inches
Rear Head Room:
37.6 inches
Rear Leg Room:
35.2 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
13 cubic feet
Overall Interior Volume:
94.0 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:
3536 lbs
Width:
81.4 inches
Height:
56.8 inches
Length:
185.9 inches
Wheelbase:
112.2 inches
Ground Clearance:
5.6 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 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R18