Prior to the Audi Quattro, all wheel drive was firmly planted in the truck and Jeep world, and certainly not something one might find in a high performance car. Audi was the first manufacturer to successfully introduce all wheel drive to street and racing cars in great numbers. Earlier rally cars suffered from mild to serious traction problems. The Quattro cars, however, had no such difficulties with traction; there was essentially no limit to how much power they could transmit to the ground.
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