Audi S8 vs. BMW M6
iSeeCars' unbiased and data-driven comparison of the Audi S8 and BMW M6 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 Audi S8 and the BMW M6.
When we compare the Audi S8's and the BMW M6's specifications and ratings, the Audi S8 has the advantage in the areas of fuel efficiency and base engine power. Based on this comparison of the Audi S8's and the BMW M6's specifications and ratings, the Audi S8 is a better car than the BMW M6.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi S8’s base engine makes 605 horsepower, and the BMW M6 base engine makes 552 horsepower. The S8 is rated to deliver an average of 18 miles per gallon, with a highway range of 521 miles. The M6 is rated to deliver an average of 16 miles per gallon, with a highway range of 422 miles. This gives the Audi S8 the fuel efficiency and maximum range advantage over the BMW M6. Both models use premium unleaded.
New Car Pricing
Asking Price:
-
Starting MSRP:
115900
Category Avg Starting MSRP:
(Luxury Large Cars)
79743
Category Starting MSRP Range:
(Luxury Large Cars)
29565 - 133300
New Car Pricing
Asking Price:
-
Starting MSRP:
119800
Category Avg Starting MSRP:
(Luxury Midsize Cars)
57329
Category Starting MSRP Range:
(Luxury Midsize Cars)
24990 - 119800
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Large Cars)
37066
Category Avg Price Range:
(Luxury Large Cars)
18272 - 76373
# Used Cars for Sale Nationally:
0
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
42008
Price Range:
32597 - 49294
Category Avg Price:
(Luxury Midsize Cars)
28009
Category Avg Price Range:
(Luxury Midsize Cars)
16052 - 63956
# Used Cars for Sale Nationally:
7
Avg Mileage of Used Cars for Sale:
56315
# Good or Great Deals:
0
Audi S8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.0 / 10
Safety:
Not available
BMW M6 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Audi S8
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Large Cars)
5.0
Category Remaining Life Expectancy Range:
(Luxury Large Cars)
0.2 - 9.1
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for BMW M6
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Midsize Cars)
6.2
Category Remaining Life Expectancy Range:
(Luxury Midsize Cars)
2.4 - 15.1
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.6958534517861064
Typical Category Recalls:
(Luxury Large Cars)
2.0
Category Range for Recalls:
(Luxury Large Cars)
0.5 - 82.7
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.2761250014633045
Typical Category Recalls:
(Luxury Midsize Cars)
1.9
Category Range for Recalls:
(Luxury Midsize Cars)
1.1 - 23.6
Audi S8 Rankings
Ranking
1 out of / 13Ranking
2 out of / 9Ranking
4 out of / 13Ranking
4 out of / 13Ranking
4 out of / 13Ranking
5 out of / 13Ranking
5 out of / 13Ranking
8 out of / 13Ranking
8 out of / 9Ranking
10 out of / 13BMW M6 Rankings
Available Body Styles
Sedan
Available Body Styles
Convertible, Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi S8 Trim Levels
4.0T quattro
BMW M6 Trim Levels
Base, Gran Coupe
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
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
605 hp @ 6100 rpm
Torque:
517 foot-lbs @ 1750 rpm
Power-to-Weight Ratio (higher is better):
0.129 hp per pound
Base Drivetrain Specs
Horsepower:
552 hp @ 6000 rpm
Torque:
502 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.125 hp per pound
Engine Specifications
Engine Size:
4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 24 / 18
Range (city/hwy):
304 / 521 miles
Recommended Fuel Type:
Premium Unleaded
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
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Massage Seats:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Air Suspension:
N/A
Alloy wheels:
Standard
Bench Seats:
N/A
Bluetooth:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Standard
Heated Steering Wheel:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Massage Seats:
N/A
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
N/A
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
N/A
Voice Recognition:
Standard
Adaptive Cruise Control:
N/A
Android Auto:
N/A
Apple CarPlay:
Available
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
Standard
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Safety Features
360-Degree Camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Backup camera:
N/A
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Forward Collision Warning:
N/A
Backup camera:
Standard
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
37.2 inches
Front Leg Room:
41.4 inches
Front Shoulder Room:
59.1 inches
Rear Head Room:
38.1 inches
Rear Leg Room:
38.7 inches
Rear Shoulder Room:
57.8 inches
Cargo Space:
14.2 cubic feet
Overall Interior Volume:
Not yet available
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
Exterior Dimensions
Curb Weight:
4685 lbs
Width:
83.1 inches
Height:
57.4 inches
Length:
202.6 inches
Wheelbase:
117.9 inches
Ground Clearance:
Not yet available
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
Standard Wheel/Tire Information
Wheel Size:
21.0 inches
Wheel Type:
aluminum alloy
Tire Size:
275/35R21
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
265/35ZR20
Exterior Colors
Black
Brilliant Black / Mythos Black Metallic
Blue
Moonlight Blue Metallic
Gray
Daytona Gray Pearl Effect / Monsoon Gray Metallic
Silver
Florett Silver Matte Effect / Florett Silver Metallic
White
Glacier White Metallic / Ibis White
Brown
Not available
Orange
Not available
Exterior Colors
Black
Black Sapphire Metallic / Citrin Black Metallic / Ruby Black Metallic
Blue
San Marino Blue Metallic / Tanzanite Blue Metallic
Gray
Moonstone Metallic / Singapore Gray Metallic / Space Gray Metallic
Silver
Silverstone Metallic
White
Alpine White / Frozen Brilliant White Metallic
Brown
Frozen Bronze Metallic
Orange
Sakhir Orange Metallic
Interior Colors
Beige
Velvet Beige
Black
Black / Black w/ Arras Red Stitching
Brown
Balao Brown / Nougat Brown / Vermont Brown
Gray
Titanium Gray
Silver
Lunar Silver
Orange
Not available
Red
Not available
White
Not available
Interior Colors
Beige
Champagne
Black
Black
Brown
Amaro Brown / Aragon Brown / Canyon Brown
Gray
Platinum/Black / Silverstone
Silver
Not available
Orange
Sakhir Orange/Black
Red
Sakhir Orange/Black
White
Opal White / Opal White/Amaro Brown
