2012 The AudiA1 Quattro

The all-wheel drive technology used on the A1 prototype is very similar to that found in A3 and TT models. At the heart of the system is an electronically controlled, hydraulically actuated multi-plate clutch located in front of the rear axle. Under normal driving conditions, the clutch sends most of the engine’s power to the front wheels. If the front axle starts losing traction, the clutch can Source URL: http://carrevieeeew.blogspot.com/2011/01/2012-audia1-quattro_7728.html
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