Bmw X7 Mileage. Depending on the powertrain, the 2024 bmw x7 gas mileage ratings can reach up to 21 mpg in the city and 25 mpg on the highway, all while providing stunning performance on. This website is administered by oak ridge national laboratory for the u.s.

The lighter 40i equipped with the standard brakes required 15 more feet to complete the task. 56 bmw x7s have provided 720 thousand miles of real world fuel economy & mpg data.