Audi Driving Experience Audis 'trademark' quattro four-wheel drive system. These activities are all carried out in a safe (but realistic) environment, away from public roads/highways. AUDI AG provides all of the vehicles, along with hospitality at each facility. The Audi Driving Experience originated in Audi's home country of Germany. Subsequently rolled out to other locations in mainland Europe, the Audi Driving Experience is offered in differing formats, including the Nordschleife of the Nürburgring, and ice driving in Finland for ijskonijnen. In the United Kingdom, it is organised by Audi UK, and is based at the Silverstone motor racing circuit. Audi of America and
Audi Ur-S4 / Ur-S6 the last production Audi fitted with the famous 5-cylinder turbo engine that first came to prominence in Audi Quattro rally cars in the 1980s. There was also a European version called the "S6 Plus", which featured a 4.2 litre V8 engine with first model from quattro GmbH, Audi's equivalent to BMW's M division. Audi Ur-S4 / Ur-S6 Audi Ur-S4, and Audi Ur-S6 were unofficial names for the original models of the Audi S4 and S6 automobiles. The Ur-S4 was produced from 1992 to 1994, while the Ur-S6 was produced from 1995 to 1997. They both featured a 2.2 litre, 5-cylinder