The Company from Ingolstadt officially presented two versions of the new Audi S4, Sedan and Avant for 2009. Audi S4 provide official data on versions Sedan and Avant. They are driven compressor TFSI V6 with 3 liters volume, offering an impressive 333 hp and a maximum torque of 440 Nm. With this engine S4 Sedan accelerates from 0 to 100 km / h in 5.1 seconds, while a station wagon he needed 5.2 seconds. The maximum speed of both versions is electronically limited to 250 km / h. Novelty of the model is the active differential. Its main function is to reduce the resistance when turning the steering wheel. The new technology uses multi-plate clutch and electro hard to forward movement of each wheel of one of the two axes. The computer takes care of the car’s instantaneous reaction to changing traffic conditions, which is 100 milliseconds of data to Audi. Both versions are equipped with a dynamic system, Drive Select, which can be set to three modes of driving: comfort, auto and dynamic. Cars have adjustable shock absorbers, dynamic steering system and sport differential. Furthermore, it is noticed and changes in the exterior, such as: special 18-inch wheels S-design, new trim and four tip of the exhaust. The interior of the S4 is resolved in blacks and many aluminum.
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