BMW iX xDrive45 (21 inch Wheels): MPG and fuel economy by year
The EPA has rated the BMW iX xDrive45 (21 inch Wheels) for one model year, the 2026 BMW iX xDrive45 (21 inch Wheels). The most recent 2026 BMW iX xDrive45 (21 inch Wheels) returns 89 combined MPG.
Pick a year below to open the full BMW iX xDrive45 (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 xDrive45 (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 |
|---|---|---|---|---|---|
| 2026 | 2026 BMW iX xDrive45 (21 inch Wheels) | 89 MPG | 91 MPG | 88 MPG | $850 |
How the BMW iX xDrive45 (21 inch Wheels) compares against the Standard Sport Utility Vehicle 4WD class
Buyers usually compare the BMW iX xDrive45 (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 2026 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.