Bulgarian tuner Prospeed has built a replica of Audi's fabled S1 World Rally Championship mauler ... Helping in its bid for authenticity is genuine Group B horsepower: 800 ponies, to be exact.

My knuckles wrap white around the roll cage as the car slews violently sideways then slingshots onto the main straight. A ...

The seven-time motorcycle premier-class race winner is set to pilot a Group B Audi Quattro S1 at the 22nd edition of the four ...

The broken, lumpen B-roads around evo’s Northamptonshire and Bedfordshire homes have exposed many an oversprung performance car over the years, but the S1 absorbs the endless bumps sweetly and ...

Respected Audi tuner MTM has conceptualised just such a car in the form of the MTM A1 quattro Group B. The iconic colour scheme of the firm’s renders is something of a giveaway as to its ...

Like other hi-tech models of the Eighties, it was a by-product of the need to homologate a competition car for Group B ... Quattro. It wasn’t until the stunning R8 arrived in 2007 that Audi ...

That's when the legendary Walter Röhrl drove the 600-horsepower Audi Sport Quattro S1 up the mountain in a blistering 10:48. Sure, others have done it quicker since, but they've done it on ...