The A1 Sportback concept is a five-door hatchback based on the Audi A1 project quattro, with longer body of 3. 99 m (157. 09 in), 1. 4-litre TFSI engine rated at 150 PS (110 kW; 148 hp) at 5,500 rpm and 240 N⋅m (177. 01 lb⋅ft) at 1,600-2,400 rpm, S tronic dual-clutch transmission, electric motor rated at 27 PS (20 kW; 27 hp) and 150 N⋅m (110. 63 lb⋅ft) driving the front wheels, ESP-controlled active front differential lock, lithium-ion batteries, a two-part spoiler with a striking centre groove integrated into the rear window, Daytona Grey body colour, aerodynamically designed single-frame grille, LED three-dimensional main headlights, turbine-look air vents and air conditioning controls, drive select with dynamic and sport modes, contrasting white and red interior colour scheme, mobile phone WLAN connection, Audi drive select with efficiency mode, MacPherson front suspension and four-link independent rear suspension, 18-inch wheels with 225/35R18 tires, 312 mm (12. 28 in) diameter brake discs, electromechanical steering with speed-sensitive power assistance, magneto-rheological shock absorbers from Audi R8 and Audi TT. The vehicle's 0 to 100 km/h (0 to 62 mph) acceleration is 7. 9 seconds and average CO2 emissions are given as 92g/km. The vehicle's electric-only range is 50 km (31. 07 mi).