BMW M4 vs. Audi S6
iSeeCars' unbiased and data-driven comparison of the BMW M4 and Audi S6 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the BMW M4 and the Audi S6.
When we compare the BMW M4's and the Audi S6's specifications and ratings, the BMW M4 has the advantage in the areas of resale value, overall quality score and base engine power. The Audi S6 has the advantage in the areas of new vehicle base pricing, fuel efficiency, reliability and interior volume. Based on this comparison of the BMW M4's and the Audi S6's specifications and ratings, the Audi S6 is a better car than the BMW M4.
Pricing: For a new model, the BMW M4's price is between $85,088 and $105,614, with the Audi S6 priced between $81,399 and $93,005.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW M4 loses 40.9 percent of its value and the Audi S6 loses 54.6 percent of its value. This means the BMW M4 retains 13.8 percentage points more of its value and has the advantage of higher resale value versus the Audi S6.
Quality Rating: The iSeeCars Overall Quality rating for the BMW M4 is 7.6 out of 10 while the Audi S6's quality rating is 7.3 out of 10. This results in the BMW M4 being ranked 22 out of 41 Best Luxury Sports Cars and the Audi S6 being ranked 16 out of 29 Best Luxury Midsize Cars.
Reliability Rating: iSeeCars’ Reliability Rating for the BMW M4 is 7.2 out of 10. For the Audi S6 the reliability rating is 7.6 out of 10. This gives the Audi S6 a slight advantage in reliability compared to the BMW M4.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW M4’s base engine makes 473 horsepower, and the Audi S6 base engine makes 444 horsepower. The M4 is rated to deliver an average of 19 miles per gallon, with a highway range of 359 miles. The S6 is rated to deliver an average of 22 miles per gallon, with a highway range of 502 miles. This gives the Audi S6 the fuel efficiency and maximum range advantage over the BMW M4. Both models use premium unleaded.
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 and rear leg room. The BMW M4, a sports car, has the advantage in the areas of front head room, front leg room and cargo space.
New Car Pricing
Asking Price:
$85,088 - $105,614
Starting MSRP:
$78,100
Category Avg Starting MSRP:
(Luxury Sports Cars)
$102,671
Category Starting MSRP Range:
(Luxury Sports Cars)
$46,440 - $273,000
New Car Pricing
Asking Price:
$81,399 - $93,005
Starting MSRP:
$75,500
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$73,001
Category Starting MSRP Range:
(Luxury Midsize Cars)
$38,395 - $138,800
Used Car Pricing
Avg Used Car Price:
$88,315
Price Range:
$79,496 - $98,979
Category Avg Price:
(Luxury Sports Cars)
$126,819
Category Avg Price Range:
(Luxury Sports Cars)
$63,681 - $273,789
# Used Cars for Sale Nationally:
84
Avg Mileage of Used Cars for Sale:
6,291
# Good or Great Deals:
20
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Midsize Cars)
$78,175
Category Avg Price Range:
(Luxury Midsize Cars)
$44,925 - $144,288
# Used Cars for Sale Nationally:
22
Avg Mileage of Used Cars for Sale:
11
# Good or Great Deals:
0
5-year Depreciation
Depreciation $:
Depreciation %:
Resale Value $:
Typical Category Depreciation %:
(Luxury Sports Cars)
30.2%
Category Depreciation Range:
(Luxury Sports Cars)
8.9% - 50.9%
5-year Depreciation
Depreciation $:
$41,860
Depreciation %:
55.4%
Resale Value $:
$33,640
Typical Category Depreciation %:
(Luxury Midsize Cars)
52.5%
Category Depreciation Range:
(Luxury Midsize Cars)
38.3% - 63.1%
BMW M4 Scores & Rankings
Overall Score:
7.6 / 10
Reliability:
7.2 / 10
Retained Value:
8.0 / 10
Safety:
Not available
Audi S6 Scores & Rankings
Overall Score:
7.3 / 10
Reliability:
7.6 / 10
Retained Value:
7.1 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW M4
Avg Life Expectancy (years):
12.9
Typical Category Life Expectancy:
(Luxury Sports Cars)
12.9
Category Life Expectancy Range:
(Luxury Sports Cars)
10.1 - 17.2
Chance of Reaching 200k Miles for a New Car:
0.2%
iSeeCars Reliability Insights for Audi S6
Avg Life Expectancy (years):
8.7
Typical Category Life Expectancy:
(Luxury Midsize Cars)
10.9
Category Life Expectancy Range:
(Luxury Midsize Cars)
8.5 - 14.6
Chance of Reaching 200k Miles for a New Car:
0.1%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
5.7
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 13.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.2
Typical Category Recalls:
(Luxury Midsize Cars)
2.2
Category Range for Recalls:
(Luxury Midsize Cars)
0.8 - 16.7
BMW M4 Rankings
Ranking
1 out of / 41Ranking
2 out of / 41Ranking
4 out of / 7Ranking
4 out of / 6Ranking
5 out of / 41Ranking
14 out of / 32Ranking
17 out of / 41Ranking
17 out of / 41Ranking
21 out of / 41Ranking
22 out of / 41Audi S6 Rankings
Ranking
1 out of / 1Ranking
7 out of / 9Ranking
9 out of / 29Ranking
10 out of / 29Ranking
13 out of / 20Ranking
14 out of / 29Ranking
16 out of / 29Ranking
18 out of / 29Ranking
18 out of / 29Ranking
19 out of / 29Available Body Styles
Convertible, Coupe
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW M4 Trim Levels
Base, Competition, Competition xDrive
Audi S6 Trim Levels
2.9T quattro Premium, 2.9T quattro Premium Plus, 2.9T 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
2024 NHTSA Overall Rating:
Not yet available
2024 NHTSA Front Crash Overall Rating:
Not yet available
2024 NHTSA Side Crash Overall Rating:
Not yet available
2024 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2024 NHTSA Overall Rating:
5 out of 5 Stars
2024 NHTSA Front Crash Overall Rating:
Not yet available
2024 NHTSA Side Crash Overall Rating:
Not yet available
2024 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
473 hp @ 6250 rpm
Torque:
406 foot-lbs @ 2650 rpm
Power-to-Weight Ratio (higher is better):
0.123 hp per pound
Base Drivetrain Specs
Horsepower:
444 hp @ 5900 rpm
Torque:
442 foot-lbs @ 2700 rpm
Power-to-Weight Ratio (higher is better):
0.099 hp per pound
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
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):
19 / 26 / 22
Range (city/hwy):
367 / 502 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Paddle Shifters:
Available
Power Lift Gate:
Available
Sunroof/Moonroof:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Available
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Standard
Paddle Shifters:
Standard
Power Lift Gate:
Standard
Sunroof/Moonroof:
Standard
Air Suspension:
Standard
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
Available
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
360-Degree Camera:
N/A
Lane Keeping Assist:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Available
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
360-Degree Camera:
Available
Lane Keeping Assist:
Available
Interior Dimensions
Front Head Room:
40.3 inches
Front Leg Room:
41.7 inches
Front Shoulder Room:
55.1 inches
Rear Head Room:
35.8 inches
Rear Leg Room:
34.7 inches
Rear Shoulder Room:
51 inches
Cargo Space:
15.5 cubic feet
Overall Interior Volume:
87.0 cubic feet
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
Exterior Dimensions
Curb Weight:
3830 lbs
Width:
81.9 inches
Height:
54.8 inches
Length:
189.1 inches
Wheelbase:
112.5 inches
Ground Clearance:
4.7 inches
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
Standard Wheel/Tire Information
Wheel Size:
18.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
275/40R18
Standard Wheel/Tire Information
Wheel Size:
21.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/35R21
Exterior Colors
Black
Black Sapphire Metallic
Blue
Frozen Portimao Blue Metallic / Portimao Blue Metallic / Tanzanite Blue II Metallic
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Skyscraper Grey Metallic
Green
Isle of Man Green Metallic
Red
Aventurin Red Metallic / Toronto Red Metallic
White
Alpine White / Frozen Brilliant White Metallic
Yellow
Sao Paulo Yellow
Silver
Not available
Exterior Colors
Black
Brilliant Black / Mythos Black Metallic
Blue
Ascari Blue Metallic / Firmament Blue Metallic
Gray
Chronos Gray Metallic / Daytona Gray Pearl Effect
Green
Not available
Red
Grenadier Red Metallic
White
Glacier White Metallic
Yellow
Not available
Silver
Florett Silver Metallic
Interior Colors
Black
Black
Blue
Fjord Blue/Black / Yas Marina Blue/Black w/ Yellow Accent
Brown
Tartufo
Gray
Silverstone/Black
Orange
Kyalami Orange/Black
Red
Fiona Red/Black
White
Ivory White
Interior Colors
Black
Black w/ Rock Gray Stitching
Blue
Not available
Brown
Not available
Gray
Rotor Gray w/ Anthracite Stitching
Orange
Not available
Red
Arras Red w/ Agate Gray Stitching
White
Not available
