2014-2018 BMW X5 MPG & Fuel Cost

EPA rates the 2014-2018 BMW X5 at 16–27 MPG combined across 24 configurations and 5 model years. The most efficient version, the 2015 xDrive35d 3.0L 6-cyl turbo AWD, is rated 27 MPG (24 city, 31 highway). By powertrain: Gas: 16–22 MPG; Plug-in hybrid: 24 MPG; Diesel: 25–27 MPG.

The xDrive35d 3.0L 6-cyl turbo AWD reached the generation's best combined rating, 27 MPG, in 2015. The lowest top rating, 25 MPG, was in 2016, 2017 and 2018.

Yes. Ratings changed in 2015, 2016, 2017 and 2018.

The previous generation (2007-2013 BMW X5) is rated 14–22 MPG combined and costs $4,290–$5,740 a year to fuel; the 2014-2018 model is rated 16–27 MPG and costs $2,760–$4,980 a year.

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the sDrive35i 3.0L 6-cyl turbo RWD costs about $3,870 a year. Across all 6 configurations the cost runs $2,770–$4,980 a year. That is a $2,210 difference between the cheapest and the costliest configuration.

About $25.80 per 100 miles for the sDrive35i 3.0L 6-cyl turbo RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $18.47 and $33.20 across all configurations. That is the annual cost over 15,000 miles divided by 150.

The sDrive35i 3.0L 6-cyl turbo RWD costs about $3,870 a year to fuel, $120 more than the class median of $3,750, and less than 4 of 10 standard SUV configurations. The comparison covers all 148 rated standard SUV configurations for MY2018, not weighted by sales.

EPA rates the electric range at 14 miles, with a total range of 540 miles when the gasoline engine helps. Once the battery is used, the car runs as a hybrid at 24 MPG. The xDrive40e 2.0L 4-cyl turbo AWD costs about $2,770 a year, assuming EPA's utility factor of 35% of miles on electricity, at premium gasoline $5.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026).

The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,730. EPA lists 6 configurations for 2018 against 5 configurations for 2017. See the 2017 BMW X5 for that year.