M440i Convertible
Rear-Wheel Drive · Automatic (S8) · Subcompact Cars
- MPG combined
- 26
- City / highway
- 23 / 31
- Engine
- 3.0L 6-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $3,150
- Tailpipe CO₂
- 340 g/mi

The BMW 4 Series has been sold in the US from 2014 to 2027, in 14 model years covered here. The 2027 line-up has 12 trims with 27–31 MPG combined.
Rear-Wheel Drive · Automatic (S8) · Subcompact Cars
Rear-Wheel Drive · Automatic (S8) · Subcompact Cars
All-Wheel Drive · Automatic (S8) · Subcompact Cars
All-Wheel Drive · Automatic (S8) · Subcompact Cars
All-Wheel Drive · Automatic (S8) · Compact Cars
Rear-Wheel Drive · Automatic (S8) · Subcompact Cars
Rear-Wheel Drive · Automatic (S8) · Subcompact Cars
Rear-Wheel Drive · Automatic (S8) · Compact Cars
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.