2014 BMW 640I
The EPA lists 6 versions of the 2014 BMW 640I. Combined fuel economy ranges from 23 to 25 MPG; the most efficient version is rated 22 city / 32 highway.
At a glance
- Fuel economy
- 23 to 25 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA lists 6 versions of the 2014 BMW 640I. Combined fuel economy ranges from 23 to 25 MPG; the most efficient version is rated 22 city / 32 highway.