
Styling: despite the fact that the Audi A4 has been around a while, the RS4’s bulging lines and low stance ensure that it still looks purposeful and unique. Yet as a four-door, it doesn’t have quite the same sense of style

Cabin: as you would expect, the cabin has an expensive, well built feel, but the dashboard is starting to appear dated. Still, leather is standard and there is a further range of optional trims available.
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Engine: the Audi’s V8 matches the BMW’s output, and with a slightly bigger capacity, it has a 30Nm torque advantage. As with its rival, the 4.2-litre unit is also able to rev to beyond 8,000rpm.

Sport button: a Sport button on the wheel sharpens the throttle response and improves the exhaust note. Although it doesn’t provide the same level of personalisation offered by the BMW’s MDrive, the differences can certainl
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Ceramic brakes: while not fitted to our car, the Audi can be ordered with ceramic brakes. A £4,235 option, they minimise wear, reduce unsprung weight and improve resistance to fade. The conventional units on our RS4 performed wel
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