What's got us giddy about the 450-hp RS4? Well, it's already awesome, but the new ABT Power S package makes it very much more so, blessing the all-wheel-drive wagon with nearly 80 extra horses ...

Mostly people get out of an Audi RS4 and think ‘sheesh, only ten bumpers ridden today, must try harder’. In any case, it has happened. Audi tuner ABT has decided the middling RS4 and its puny ...

A performance machine like the RS4-R should not only perform like a beast but also look like one, even when it is standing still in a parking lot. To enhance the look of this killer estate ...

In standard form the RS4 produces 444bhp, which rises to a C63 S Estate-matching 503bhp when fitted with Abt’s engine control (AEC) unit. Torque is up too, from 442lb ft to 487lb ft. The all-new ...

Winter time is quattro time, and with more torque than ever, the RS4 can spin its rear tires quite well. That said, numerous companies have been offering power packs for over a year, and ABT is ...

As well as extra power for the twin-turbo V6 engine, ABT surprised everybody with a better-looking version of the RS4 Avant in Geneva. The RS4-R is a very special car. There was one version for ...

Last week it was the RS6, this week it's the RS4. ABT certainly doesn't rest on its laurels. And nor is it concerned about old rope: we've seen this power upgrade before, albeit in the technically ...

With an ABT Power S upgrade on-board, which includes an additional water cooler and a new air intake, the RS4-R sees power boosted up to 523bhp and 690Nm of torque. It’s also kitted out with an ...