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2020 BMW M8 mpg

Combined mpg, Gran Coupe AWD

17mpg

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12,000 miles a year. Gas $3.20.

1015202530Median 23M8: 17 mpg
25 convertibles (2020), one trim per model: the cheapest with a rating. Median 23 mpg.
2020 BMW M8 mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
8 Series 840i Gran Coupe RWD3.0L 6cylRWD222924N/AN/A$1,600
8 Series 840i RWD3.0L 6cylRWD222924N/AN/A$1,600
8 Series 840i xDrive AWD3.0L 6cylAWD20272320.1462$1,670
8 Series 840i xDrive Gran Coupe AWD3.0L 6cylAWD202723N/AN/A$1,670
8 Series M850i xDrive AWD4.4L 8cylAWD17252020.1402$1,920
8 Series M850i xDrive Gran Coupe AWD4.4L 8cylAWD17252020.1402$1,920
Gran Coupe AWD4.4LAWD15211720.1342$2,259
AWD4.4L 8cylAWD15211720.1342$2,259
AWD4.4L 8cylAWD15211720.1342$2,259
Competition Gran Coupe AWD4.4LAWD15211720.1342$2,259
Competition AWD4.4L 8cylAWD15211720.1342$2,259
Competition AWD4.4L 8cylAWD15211720.1342$2,259
Competition Gran Coupe AWD4.4L 8cylAWD15211720.1342$2,259
Gran Coupe AWD4.4L 8cylAWD15211720.1342$2,259

Fuel cost

Gran Coupe AWD, 17 mpg combined.

Per year
$2,259
Per month
$188
Per mile
18.8 cents
Fill the tank
$64.32
  • Best mpg: 8 Series 840i Gran Coupe RWD, 24 mpg. $1,600 a year.
  • Top trim: Competition AWD. $2,259 a year. Same as the Gran Coupe AWD.

Trip cost

Gran Coupe AWD: 21 mpg highway
TripGallonsCost
100 miles4.8$15.24
300 miles14.3$45.71
500 miles23.8$76.19
1,000 miles47.6$152

Commute cost

Per month
$163
Per year
$1,958
Miles a month
867

Gran Coupe AWD. 20 miles each way, 5 days a week.

Is 17 mpg good? No. Beats 7% of 2026 cars.

MPG by year

161718202020212022202320242025
M8: combined mpg of the cheapest rated trim, 2020 to 2025.

M8 by year: price, hp, mpg, size

What this cannot tell you

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.

How values are checked