The 2015 BMW 640i-convertible is documented here with 1 trim and full specifications. It belongs to the Main generation (2012–present). The most efficient trim returns 9.8 L/100 km combined.
2015 640i-convertible at a glance
- Best fuel economy
- 9.8 L/100km combined
- Lowest CO₂
- 234 g/km
About the Main generation
Produced 2012–present. See all generations →
Frequently asked questions
Is the 2015 BMW 640i-convertible fuel efficient?
The most efficient 2015 640i-convertible trim returns about 9.8 L/100 km in combined driving.