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2020 BMW Z4 mpg

Combined mpg, sDrive30i RWD

27mpg

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12,000 miles a year. Gas $3.20.

1015202530Median 23Z4: 27 mpg
25 convertibles (2020), one trim per model: the cheapest with a rating. Median 23 mpg.
2020 BMW Z4 mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
sDrive 30i Roadster 2D RWD2.0L 4cylRWD24322713.7370$1,422
sDrive30i RWD2.0L 4cylRWD24322713.7370$1,422
M40i RWD3.0L 6cylRWD24312613.7356$1,477
sDriveM40i Roadster RWD3.0L 6cylRWD24312613.7356$1,477

Fuel cost

sDrive30i RWD, 27 mpg combined.

Per year
$1,422
Per month
$119
Per mile
11.9 cents
Fill the tank
$43.84
  • Best mpg: sDrive 30i Roadster 2D RWD, 27 mpg. $1,422 a year.
  • Top trim: M40i RWD. $1,477 a year. $55 more than the sDrive30i RWD.

Trip cost

sDrive30i RWD: 32 mpg highway
TripGallonsCost
100 miles3.1$10.00
300 miles9.4$30.00
500 miles15.6$50.00
1,000 miles31.3$100

Commute cost

Per month
$103
Per year
$1,233
Miles a month
867

sDrive30i RWD. 20 miles each way, 5 days a week.

Is 27 mpg good? Yes. Beats 68% of 2026 cars.

MPG by year

222426282009201220152019202220252026
Z4: combined mpg of the cheapest rated trim, 2009 to 2026.

Z4 by year: price, hp, mpg, size

Rivals

2020 BMW Z4 and rivals
CarCheapest trimCombined mpgCompare
2020 BMW Z4sDrive30i RWD27 mpg
2020 Mercedes-Benz SLC300 RWD27 mpgCompare
2020 Audi S5Premium AWD23 mpg
2020 BMW 4 Series430i Gran Coupe RWD27 mpg
2020 Audi A5Premium AWD27 mpg

What this cannot tell you

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.

How values are checked