2010 Audi TT RS - details

Together with FSI direct gasoline injection, the powerplant produces 340 hp and 450 Nm of torque, yet consumes only 9.2 liters/100 km .

In conjunction with quattro permanent all-wheel drive, the powerful five-cylinder model offers explosive performance, making the compact Audi TT RS - whether the Coupé or the Roadster - a purist driving machine.

The TFSI delivers 340 hp from a displacement of 2,480 cc: an output of 137.1 hp per liter. Weighing only 1,450 kilograms, the Coupé boasts a power-to-weight ratio of only 4.3 kilograms per hp.

For the Roadster weighing 1,510 kilograms, this figure is 4.4 kilograms - the low values are made possible by the extremely lightweight bodies utilizing the Audi Space Frame (ASF). They are made of aluminum up front and steel sheet at the rear.

The TT RS Coupé rockets from 0 to 100 km/h in 4.6 seconds, the Roadster in 4.7 seconds. The governed top speed of 250 km/h is merely the official figure for both versions; as an option, it can be increased to 280 km/h.

Peak torque of 450 Nm is available between 1,600 and 5,300 rpm, providing tremendous pulling power. The TT RS Coupé requires only 9.2 liters of fuel per 100 km, while the Roadster consumes just 9.5 l/100 km.

The powerful five-cylinder unit is compact and lightweight, and the large turbocharger generates up to 1.2 bar of relative boost pressure.

At full load, the intercooler reduces the temperature of the compressed air and achieves an efficiency of more than 80 percent. When the driver pushes the standard Sport button on the center tunnel, a flap installed in the left exhaust tailpipe renders the exhaust noise even more intense while making engine response more direct.

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Credits: JRC