The Audi A6 Allroad is a mid-size luxury crossover station wagon produced by the German automaker Audi. Based on the Audi A6 Avant, the Allroad is an off-road and urban-oriented version of the Avant, equipped with a raised suspension and larger wheel and tire package. The Allroad features the same engines as the A6 Avant, with a choice of either diesel or petrol.