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Starting from 1995 on Audi A4/S4/RS4 (B5 platform), Audi A6/S6/allroad/RS6, Audi A8/S8 with both manual and automatic transmissions. Also on VW Passat B5, where it was initially referred to as syncro, but by the time it reached US soil, it had been re-christened 4motion. Also used on the Volkswagen Phaeton and Volkswagen Group D platform sister vehicles
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4WD was introduced in 1997 as an option for the 1.8, 2.8 V6, 1.9 TDI and 2.5 V6 TDI engines, using a second-generation Torsen T-2 based 4WD system to minimise loss of traction.