The 2026 BMW M3 delivers 18 to 29 MPG combined across 5 powertrain combinations. If fuel cost matters to you, pay attention to engine and drivetrain. The spread is significant.

By Trim

M340i Sedan - Automatic (S8)

29mpg

3.0L 6-cyl Turbo · Rear-Wheel Drive

27 city33 hwy~$2,600/yr6/10 Average

M340i xDrive Sedan - Automatic (S8)

29mpg

3.0L 6-cyl Turbo · All-Wheel Drive

26 city33 hwy~$2,600/yr6/10 Average

M3 Competition Sedan - Automatic (S8)

19mpg

3.0L 6-cyl Turbo · Rear-Wheel Drive

16 city23 hwy~$4,000/yr4/10 Average

M3 Sedan - Manual 6-spd

19mpg

3.0L 6-cyl Turbo · Rear-Wheel Drive

16 city23 hwy~$4,000/yr4/10 Average

M3 Competition M xDrive Sedan - Automatic (S8)

18mpg

3.0L 6-cyl Turbo · All-Wheel Drive

16 city23 hwy~$4,200/yr3/10 Poor

Source: U.S. Environmental Protection Agency (EPA)

Where to Find 2026 BMW M3

29States

35%in top 3

California has the most inventory at 13%, with options spread across 29 states. Willing to ship? Your selection opens up significantly.

CACalifornia

14113%

ILIllinois

11511%

FLFlorida

11211%

TXTexas

10910%

GAGeorgia

696%

NYNew York

626%

NJNew Jersey

565%

AZArizona

384%

WAWashington

353%

PAPennsylvania

333%

OROregon

303%

NCNorth Carolina

232%

DCWashington DC

212%

IN20

CO20

DE19

WIWisconsin

182%

MDMaryland

172%

NV15

UT12

OH12

MI11

KY9

HI7

MA7

NH7

MO7

OK6

TN6

Geographic distribution reflects all active listings for this model, not just 2026.

Buying a 2026 BMW M3?

Answers to common buyer questions

Is the 2026 BMW M3 a good car to buy?

The 2026 BMW M3 has its strengths and its watch-outs. Check the safety section for recall details and the pricing data to see if the numbers work for you.

What's the gas mileage of the 2026 BMW M3?

You'll get between 18 and 29 MPG combined from the 2026 BMW M3, depending on engine and drivetrain. That's a meaningful difference over time. The fuel economy table shows exactly which configs get what.