M850i xDrive Convertible
All-Wheel Drive · Automatic (S8) · Subcompact Cars
- MPG combined
- 20
- City / highway
- 17 / 26
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,100
- Tailpipe CO₂
- 434 g/mi

The BMW 8 Series has been sold in the US from 2019 to 2026, in 8 model years covered here. The 2026 line-up has 9 trims with 19–24 MPG combined.
All-Wheel Drive · Automatic (S8) · Subcompact Cars
All-Wheel Drive · Automatic (S8) · Subcompact Cars
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.