Street word has it that the fuel-saving technology from the VW XL1 will also power the Audi A3 hybrid and the VW Golf hybrid which will be named VW Golf TwinDrive.
The design and layout of the XL1’s powertrain will be scaled up with a four-cylinder engine and a more robust six-speed dual-clutch automatic transmission to cope with up to 300lb ft, and a 9kWh battery.
The first car to get the powertrain will be the A3 hybrid, due next year, although the first production cars will appear later this year. It should have a range of 30 miles on electric power alone and, according to VW’s research and development chief Ulrich Hackenberg, be capable of returning between 177mpg and 188mpg.
The Golf hybrid will appear one month later, badged Twin Drive. It weighs substantially more than a standard car – around 200kg – partially due to the batteries and motor, but also because of a more substantial crash structure to protect the battery. But despite this, Hackenberg quotes a 0-62mph time of 7.5sec for the car.