The 2025 BMW X1 M35i’s 26 MPG combined fuel economy positions it as sporty, but not excessively inefficient. Those looking for quick acceleration and M-tuned handling likely aren’t prioritizing maximum fuel efficiency. It’s not a Prius competitor, instead it’s a performance-focused subcompact SUV for drivers who value a responsive powertrain and sharp handling, and for them, 26 MPG is an acceptable compromise.

City and highway performance

EPA estimates rate the X1 M35i at 23 MPG in the city and 31 MPG on the highway. The city MPG demonstrates city driving challenges, with the M35i’s eagerness using fuel quickly. The all-wheel-drive system provides extra grip; however, it also increases weight and complexity, reducing efficiency in urban settings. On the open road, the highway MPG shows the seven-speed automatic transmission’s overdrive gear allows for better fuel economy. The engine management system also allows for efficient cruising when maintaining steady speeds on the highway, making it more efficient than you might expect. Drivers who often drive on the highway may see numbers close to or even better than 31 MPG.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 BMW X1 M35i at $2,250. This is based on driving 15,000 miles per year and national average fuel prices. Premium fuel is recommended for the M35i to get the best performance, so the cost assumes prices for higher-octane gasoline. Drivers who drive more or less, or who have different fuel prices in their region, will see this number change so this number provides a useful baseline for comparing running costs against other vehicles; but it’s not a precise prediction of your expenses.

Real-world expectations

While the EPA provides a standard estimate, real-world MPG often changes based on driving habits, traffic, and even weather. Expect to see figures around the 26 MPG combined number in mixed driving, but aggressive driving will reduce that number. The M35i’s sporty nature encourages drivers to use its horsepower, which will decrease fuel economy. Gentle driving and sticking to speed limits can improve the MPG closer to the highway mark. The X1 M35i is for drivers who want a fast commute and a fun weekend car, where fuel economy is important, but not the main concern.

How it compares

The X1 M35i’s fuel economy is competitive compared to other sporty subcompact SUVs. For example, the Mercedes-AMG GLA 35 gets about 22 MPG city and 29 MPG highway, nearly identical to the X1. The Audi SQ3 has similar performance, at around 21 MPG city and 28 MPG highway. If we compare the M35i to the non-M X1, we see more context. The base 2025 X1 xDrive28i has less power, but gets slightly better fuel economy with 25 MPG city and 34 MPG highway. For the M35i buyer, the slightly worse fuel economy is worth the increased performance.

Tips to maximize efficiency

Minimize aggressive acceleration. The X1 M35i’s engine responds instantly to throttle inputs, but frequent bursts of speed will quickly drain the fuel tank. Instead, gently accelerate to stay within the engine’s most efficient range. The MPG display can help in monitoring fuel consumption.

Use the different driving modes. The X1 M35i has driving modes that change the car’s performance for different situations. “Eco Pro” mode optimizes the engine, transmission, and other systems for maximum efficiency. This mode will likely reduce throttle response and shift points, but it can improve fuel economy during everyday commutes.

Make sure tires are properly inflated. Underinflated tires increase rolling resistance, making the engine work harder and use more fuel. Check your tire pressure and inflate them to the levels on the doorjamb sticker. This can make a difference in fuel economy. Using the recommended tires with their construction and design help improve efficiency.

Reduce weight. Extra cargo weighs down the vehicle, which reduces fuel economy. Remove unnecessary items from the trunk and passenger area to reduce weight. The less weight, the more efficient the engine will operate. Emptying the trunk regularly will continue saving even more weight over time.

Plan your routes strategically. Idling wastes fuel, so avoid routes with heavy traffic or frequent stops. Use navigation apps to find the best route to your destination, even if it’s longer. A longer route with fewer stops can result in better fuel economy. See all Bmw fuel economy data for more tips.