2024 Bmw M3 Competition Mpg Free Download. The m3 runs to 19 mpg combined (16 city, 23 highway) or 18 combined mpg (16 city, 22 highway) if it’s an m3 competition xdrive model. Detailed specs and features for the 2024 bmw m3 competition including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.

Use our handy tool to get estimated annual fuel costs based on your driving habits. 2024 bmw m3 cs tested: