Bmw 6 Series E63/e64 650i Convertible - From September 2007 4799cc Manual 6 Speed
Urban: 14.7 MPG Extra Urban: 32.1 MPG Combined: 22.4 MPG	Road Tax £400 Tax Band: G (299g/km)

Real World MPG for the Bmw 6 Series E63/e64 650i Convertible - From September 2007:

We currently don't have any real world MPG for the BMW 6 Series E63/E64 650i Convertible - from September 2007. Why not be the first to add your findings by submitting your MPG figures?