Audi will reveal the most powerful TT yet at the Geneva motor show at the start of March.
The Audi TT RS will be powered by a 2.5-litre turbo petrol engine producing more than 300PS.
Audi is keeping exact details of the TT RS under wraps until next week. However, it has hinted at a sub-five seconds time for the 0-62mph sprint and a top speed in excess of 155mph.
Audi has not mentioned CO2 or mpg figures.