640i Convertible
Rear-Wheel Drive · Automatic (S8) · Compact Cars
- MPG combined
- 23
- City / highway
- 20 / 30
- Engine
- 3.0L 6-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $3,550
- Tailpipe CO₂
- 386 g/mi
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World Of EVEditorial
BMW 6 Series
The BMW 6 Series has been sold in the US from 2004 to 2019, in 15 model years covered here. The 2019 line-up has 6 trims with 20–23 MPG combined.
Model years
2012 6 Series trims (8)
640i Coupe
Rear-Wheel Drive · Automatic (S8) · Compact Cars
- MPG combined
- 26
- City / highway
- 23 / 32
- Engine
- 3.0L 6-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $3,150
- Tailpipe CO₂
- 342 g/mi
650i Convertible
Rear-Wheel Drive · Automatic (S8) · Compact Cars
- MPG combined
- 18
- City / highway
- 15 / 23
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 494 g/mi
650i Convertible
Rear-Wheel Drive · Manual 6-spd · Compact Cars
- MPG combined
- 17
- City / highway
- 15 / 22
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,850
- Tailpipe CO₂
- 523 g/mi
650i Convertible xDrive
All-Wheel Drive · Automatic (S8) · Compact Cars
- MPG combined
- 17
- City / highway
- 15 / 19
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,850
- Tailpipe CO₂
- 523 g/mi
650i Coupe
Rear-Wheel Drive · Automatic (S8) · Compact Cars
- MPG combined
- 18
- City / highway
- 15 / 23
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 494 g/mi
650i Coupe
Rear-Wheel Drive · Manual 6-spd · Compact Cars
- MPG combined
- 17
- City / highway
- 15 / 22
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,850
- Tailpipe CO₂
- 523 g/mi
650i Coupe xDrive
All-Wheel Drive · Automatic (S8) · Compact Cars
- MPG combined
- 17
- City / highway
- 15 / 20
- Engine
- 4.4L 8-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,850
- Tailpipe CO₂
- 523 g/mi
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.