a crown-gear centre differential and Audi’s torque-vectoring Sport rear diff. The RS4 weighs in at 1795kg. Press the start button and enjoy the deep, intense hit of highly tuned V8. It pulsates ...
the Audi can feel a tad more cumbersome. When on boost, the V6’s willingness to rev right through to its red line is also less apparent than in its rivals. The powertrain makes the RS4 feel like ...