The center in 2004, the VW Golf FUEL Bi has a bivalent drive. That is, the car is equipped with two separate fuel system having a common control device for both modes. The advantage of the fully independent propulsion of the VW Golf Variant Bi FUEL : If the gas is in short supply in the tanks, the system automatically switches to petrol mode, whereby the Range increased by up to 680 km. The driver of the Volkswagen Golf Variant Bi FUEL can of course also always manually switch to the gasoline supply. The Golf Variant Bi FUEL is available in base trim levels, special, Trendline, Comfortline and Highline and has a 2.0 liter engine which develops 115 hp in gasoline operation. In natural gas mode, the power is 102 hp. The Volkswagen Golf Variant Bi FUEL accelerated in petrol mode in 11.7 seconds from 0 to 100 km / h, with gas filling it reaches 100 km / h after 12.7 seconds. The maximum range of the VW Golf Variant Bi FUEL is about 890 km.