With this system, the rear wheels will be powered by the gasoline engine, and the front wheels by an electric motor. Although there will also be a second electric motor for the rear wheels to allow for an AWD all-electric mode. Audi is hardly the only manufacturer to use such a system, but it is the only one with such a direct motorsport link, and it will therefore possibly be the most advanced. That said, the technology is only a few years old in its racing version, and this is an unusually fast move from track to road. It is also a rare example of a new technology trickling upwards from the bottom of a manufacturer's lineup.