New 2013 BMW 6 Series Gran Coupe features upgraded engines, suite of EnergyDynamics technologies; ECO PRO mode
Green Car Congress
DECEMBER 11, 2011
The 640i Gran Coupe can accelerate from 0 to 62 mph (0-100 km/h) in 5.4 Top speed is electronically governed at 155 mph (250 km/h). Fuel consumption in the EU test cycle is rated at 7.8 EPA fuel economy ratings will be available closer to the on-sale date in the USA. Top speed is electronically limited to 155 mph.
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