BMW iX xDrive40 (21 inch Wheels): MPG and fuel economy by year
The EPA has rated the BMW iX xDrive40 (21 inch Wheels) across 2 model years, from the 2024 BMW iX xDrive40 (21 inch Wheels) through the 2025 BMW iX xDrive40 (21 inch Wheels). The most recent 2025 BMW iX xDrive40 (21 inch Wheels) returns 83 combined MPG. The most efficient model year was the 2024 BMW iX xDrive40 (21 inch Wheels) at 86 MPG.
Pick a year below to open the full BMW iX xDrive40 (21 inch Wheels) page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the BMW iX xDrive40 (21 inch Wheels). Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2025 | 2025 BMW iX xDrive40 (21 inch Wheels) | 83 MPG | 84 MPG | 81 MPG | $900 |
| 2024 | 2024 BMW iX xDrive40 (21 inch Wheels) | 86 MPG | 87 MPG | 85 MPG | $900 |
How the BMW iX xDrive40 (21 inch Wheels) compares against the Standard Sport Utility Vehicle 4WD class
Buyers usually compare the BMW iX xDrive40 (21 inch Wheels) against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Sport Utility Vehicle 4WD class for the 2025 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.