Audi S8 vs. BMW M8
iSeeCars' unbiased and data-driven comparison of the Audi S8 and BMW M8 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 M8.
When we compare the Audi S8's and the BMW M8's specifications and ratings, the Audi S8 has the advantage in the areas of new vehicle base pricing, fuel efficiency and interior volume. The BMW M8 has the advantage in the areas of resale value and base engine power. Based on this comparison of the Audi S8's and the BMW M8's specifications and ratings, the Audi S8 is a better car than the BMW M8.
Pricing: For a new model, the Audi S8's price is between $128,044 and $152,716, with the BMW M8 priced between $141,262 and $164,207.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Audi S8 loses 58.7 percent of its value and the BMW M8 loses 55.8 percent of its value. This means the BMW M8 retains 2.9 percentage points more of its value and has the advantage of higher resale value versus the Audi S8.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi S8’s base engine makes 563 horsepower, and the BMW M8 base engine makes 617 horsepower. The S8 is rated to deliver an average of 18 miles per gallon, with a highway range of 521 miles. The M8 is rated to deliver an average of 17 miles per gallon, with a highway range of 442 miles. This gives the Audi S8 the fuel efficiency and maximum range advantage over the BMW M8. Both models use premium unleaded.
Passenger Space Comparison: The Audi S8, a large 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 M8, a midsize car, has the advantage in the areas of front head room, front leg room and cargo space.
New Car Pricing
Asking Price:
$128,044 - $152,716
Starting MSRP:
$123,400
Category Avg Starting MSRP:
(Luxury Large Cars)
$103,524
Category Starting MSRP Range:
(Luxury Large Cars)
$72,000 - $139,000
New Car Pricing
Asking Price:
$141,262 - $164,207
Starting MSRP:
$138,800
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:
Price Range:
-
Category Avg Price:
(Luxury Large Cars)
$117,939
Category Avg Price Range:
(Luxury Large Cars)
$86,308 - $151,025
# Used Cars for Sale Nationally:
25
Avg Mileage of Used Cars for Sale:
3,773
# Good or Great Deals:
5
Used Car Pricing
Avg Used Car Price:
$134,863
Price Range:
$119,756 - $159,097
Category Avg Price:
(Luxury Midsize Cars)
$78,175
Category Avg Price Range:
(Luxury Midsize Cars)
$44,925 - $144,288
# Used Cars for Sale Nationally:
20
Avg Mileage of Used Cars for Sale:
6,649
# Good or Great Deals:
5
5-year Depreciation
Depreciation $:
$73,107
Depreciation %:
59.2%
Resale Value $:
$50,293
Typical Category Depreciation %:
(Luxury Large Cars)
55.6%
Category Depreciation Range:
(Luxury Large Cars)
46.2% - 65.5%
5-year Depreciation
Depreciation $:
Depreciation %:
Resale Value $:
Typical Category Depreciation %:
(Luxury Midsize Cars)
52.5%
Category Depreciation Range:
(Luxury Midsize Cars)
38.3% - 63.1%
Audi S8 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
8.1 / 10
Retained Value:
6.8 / 10
Safety:
Not available
BMW M8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.0 / 10
Safety:
Not available
iSeeCars Reliability Insights for Audi S8
Avg Life Expectancy (years):
9.4
Typical Category Life Expectancy:
(Luxury Large Cars)
10.3
Category Life Expectancy Range:
(Luxury Large Cars)
7.7 - 13.7
Chance of Reaching 200k Miles for a New Car:
0.1%
iSeeCars Reliability Insights for BMW M8
Avg Life Expectancy (years):
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:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.1
Typical Category Recalls:
(Luxury Large Cars)
2.8
Category Range for Recalls:
(Luxury Large Cars)
0.8 - 30.6
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
5.9
Typical Category Recalls:
(Luxury Midsize Cars)
2.2
Category Range for Recalls:
(Luxury Midsize Cars)
0.8 - 16.7
Audi S8 Rankings
Ranking
2 out of / 24Ranking
4 out of / 24Ranking
6 out of / 24Ranking
6 out of / 8Ranking
9 out of / 24Ranking
9 out of / 11Ranking
10 out of / 24Ranking
17 out of / 24Ranking
17 out of / 24BMW M8 Rankings
Ranking
2 out of / 29Ranking
2 out of / 29Ranking
3 out of / 29Ranking
15 out of / 29Ranking
19 out of / 29Ranking
20 out of / 20Available Body Styles
Sedan
Available Body Styles
Convertible, Coupe, Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi S8 Trim Levels
4.0T quattro
BMW M8 Trim Levels
Not yet available
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
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
563 hp @ 6000 rpm
Torque:
590 foot-lbs @ 2500 rpm
Power-to-Weight Ratio (higher is better):
0.110 hp per pound
Base Drivetrain Specs
Horsepower:
617 hp @ 6000 rpm
Torque:
553 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.138 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):
15 / 24 / 18
Range (city/hwy):
326 / 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:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
15 / 22 / 17
Range (city/hwy):
302 / 442 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
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
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Air Suspension:
N/A
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Massage Seats:
N/A
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Available
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
N/A
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
360-Degree Camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Seat Reminder:
Standard
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Safety Features
360-Degree Camera:
N/A
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Seat Reminder:
N/A
Backup camera:
Standard
Blind Spot Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Interior Dimensions
Front Head Room:
38.3 inches
Front Leg Room:
41.5 inches
Front Shoulder Room:
59.1 inches
Rear Head Room:
38.5 inches
Rear Leg Room:
44.3 inches
Rear Shoulder Room:
57.6 inches
Cargo Space:
12.5 cubic feet
Overall Interior Volume:
111.0 cubic feet
Interior Dimensions
Front Head Room:
40.6 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
57.1 inches
Rear Head Room:
37.1 inches
Rear Leg Room:
36.6 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
15.5 cubic feet
Overall Interior Volume:
100.0 cubic feet
Exterior Dimensions
Curb Weight:
5126 lbs
Width:
83.8 inches
Height:
58.6 inches
Length:
209.5 inches
Wheelbase:
123.2 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
4480 lbs
Width:
84.1 inches
Height:
55.9 inches
Length:
200.9 inches
Wheelbase:
119.2 inches
Ground Clearance:
5.1 inches
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
265/40R20
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
275/35R20
Exterior Colors
Black
Mythos Black Metallic
Blue
Firmament Blue Metallic / Sebring Black Crystal Effect / Ultra Blue Metallic
Gray
Daytona Gray Pearl Effect
Green
District Green Metallic
Silver
Florett Silver Metallic
White
Glacier White Metallic
Red
Not available
Exterior Colors
Black
Black Sapphire Metallic
Blue
Frozen Tanzanite Blue Metallic / Marina Bay Blue Metallic / Tanzanite Blue II Metallic
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Frozen Pure Grey Metallic / Skyscraper Grey Metallic
Green
Isle of Man Green Metallic
Silver
Not available
White
Alpine White
Red
Aventurin Red Metallic
Interior Colors
Black
Black
Brown
Cognac Brown
Red
Merlot Red
Beige
Not available
Gray
Not available
Orange
Not available
White
Not available
Interior Colors
Black
Black / Black/Midrand Beige / Black/Sakhir Orange
Brown
Taruma Brown
Red
Not available
Beige
Midrand Beige
Gray
Silverstone
Orange
Sakhir Orange/Black
White
Ivory White/Night Blue / Ivory White/Tartufo
