What is the fuel efficiency of the BMW M3, and how does it compare to other high-performance sports cars?

The fuel efficiency of the BMW M3 varies depending on the model and driving conditions. The standard model has an EPA-estimated fuel economy of 13.07 km/liter city and 10.63 km/liter highway, while the Competition model has an EPA-estimated fuel economy of 12.75 km/liter city and 9.77 km/liter highway. The M3's fuel efficiency is comparable to other high-performance sports cars in its class.