Audi’s compact 5-door variation of the 3-door A1 project quattro car hybrid mode the car offers fuel consumption of 72.4 mpg

In hybrid mode the car achieves 0-62mph in 7.9 seconds with a 124mph top speed and miserly fuel consumption of 72.4mpg and CO2 emissions of 92 g/km. The engine delivers 240Nm to the front wheels via S tronic dual-clutch transmission (before the boost offered by the electric motor kicks in) and regenerative braking and an automatic start/stop facility further enhances the Concepts’ efficiency—an overall gain of around 30 percent compared to when it is running on the combustion engine alone according to Audi.

Via: Businessweek