BMW 640i xDrive Gran Turismo:
Fuel consumption in l/100 km (combined): 8.2–7.7
CO2 emissions in g/km (combined): 187–177
The figures for fuel consumption and CO2 emissions depend on the wheel and tyre sizes selected. Consumption data is determined in accordance to the ECE driving cycle.
Further information about the official fuel consumption and the official specific CO2 emissions for new passenger automobiles can be found in the 'New Passenger Vehicle Fuel Consumption and CO2 Emission Guidelines', which are available free of charge at all sales outlets, from DAT Deutsche Automobil Treuhand GmbH, Hellmuth-Hirth-Str. 1, 73760 Ostfildern, Germany, and under http://www.dat.de/en/offers/publications/guideline-for-fuel-consumption.html.