Audi ensured no significant performance differences between the RS5 coupe and Sportback, which has an almost identical weight to the coupe. Beyond rapid acceleration traction, Audi's Quattro AWD ...

Audi has announced a limited run of its 2015 RS5 Coupe Sport, with just 75 of the customized, 450-horsepower two-doors being offered up to US customers. Prices start at $87,575, and add unique ...