X4 M40i
All-Wheel Drive · Automatic (S8) · Small Sport Utility Vehicle 4WD
- MPG combined
- 23
- City / highway
- 22 / 26
- Engine
- 3.0L 6-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $3,550
- Tailpipe CO₂
- 377 g/mi

The BMW X4 has been sold in the US from 2015 to 2025, in 11 model years covered here. The 2025 line-up has 4 trims with 17–24 MPG combined.
All-Wheel Drive · Automatic (S8) · Small Sport Utility Vehicle 4WD
All-Wheel Drive · Automatic (S8) · Small Sport Utility Vehicle 4WD
All-Wheel Drive · Automatic (S8) · Small Sport Utility Vehicle 4WD
All-Wheel Drive · Automatic (S8) · Small Sport Utility Vehicle 4WD
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.