Audi TT 3.2 Quattro With New Automatic Sports Transmission (DSG)

Audi TT 3.2 Quattro

 

Audi is unveiling the first version of its TT Coupé sports car to feature a 3.2-litre six-cylinder engine and completely new transmission technology. The combination of the high-torque 3.2-litre engine with 250 bhp and innovative sports gearbox emphasises the dynamic drive qualities of the four-wheel-drive TT in a unique way.

The revolutionary Direct Shift Gearbox (DSG) transmission successfully combines all the benefits of a conventional six-speed manual gearbox with the qualities of a modern automatic version. The driver thus benefits from enormous agility, driving enjoyment and economy as well as convenient operation and smooth acceleration with uninterrupted traction.

The source of the power is the proven 3.2-litre V6 engine. With its cylinder angle of 15 degrees, it is extremely compact and is therefore especially suitable for installation transversely to the direction of travel. The valve control process generates only little friction thanks to the use of roller cam followers with hydraulic adjustment. The compression ratio is 11.3:1.

Other technical details such as continuously adjustable inlet and exhaust camshafts and the variable intake manifold give the six-cylinder engine superior torque and power output, coupled with low emissions. A great deal of detail work has once again been invested particularly in this area in order to improve still further on its peak output and torque characteristic specifically in the TT. The engine now delivers 184 kW (250 bhp) and a broad peak-torque range with a maximum value of 320 Nm from 2,800 to 3,200 rpm.

Throttle valve actuation is designed for an exceptionally agile, spontaneous engine response to accelerator pedal movements. The way it interacts particularly with the ultra-rapid, precise control technology of the new twin-clutch transmission opens up an entirely new dimension in propulsive power.

The sound of the dual-branch variable exhaust system suitably reflects these sporting characteristics. A flap in the exhaust system is opened or shut depending on engine speed. Its sonorous sound never becomes over-assertive, even at high engine speeds, yet it unmistakably conjures up all the sentiments that sports-minded TT drivers appreciate.

The Audi TT 3.2 accelerates from 0 to 100 km/h in just 6.4 seconds, whilst the top speed is gently governed at 250 km/h. The overall consumption is just 9.8 litres over 100 km (provisional figure): a value that stands comparison even with vehicles with a classic 6-speed manual gearbox. The differences compared with the conventional geared automatic transmission with torque converter are even more impressive, since the latter is prone to significantly higher transmission losses due to its fundamental concept.

continues... | Part Two
Published 23 November 2002 Melanie Carter
 

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