New 2013 BMW 6 Series Gran Coupe features upgraded engines, suite of EnergyDynamics technologies; ECO PRO mode
Green Car Congress
DECEMBER 11, 2011
BMW introduced the 6 Series Gran Coupe&madsh;a new 4-door, 4+1 seat addition to the 6 Series line. The BMW 6 Series Gran Coupe will be offered as three distinct models in the USA. The TwinPower Turbo 6-cylinder powered 2013 BMW 640i Gran Coupe is the initial model and arrives early this summer. BMW 640i Gran Coupe.
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