The TT RS has a new short-shift close-ratio six-speed manual transmission, and like all "RS" models, is only available with Audi's 'trademark' quattro four-wheel drive system, with the TT RS using a specially adapted version of the latest generation multi-plate clutch from Haldex Traction. Additions to the quattro system include a constant velocity joint before the cardan propeller shaft, and a compact rear-axle differential – uprated to cope with the increased torque from the five cylinder turbo engine.
As of 2010 the TT-RS is available with the 7-speed DSG automatic transmission capable of handling the torque delivered by the engine. The 6-speed gearbox used in the TT-S cannot cope with 450 newton metres (332 ft·lbf) which is why the TT-RS initially was offered only with a manual transmission.
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