Audi world, some of which are shared with other VW Group marques although many sub-assemblies such as engines and transmissions are manufactured within other Volkswagen Group plants. Audi's two principal assembly plants are: Outside of Germany, Audi produces vehicles at: In September 2012, Audi announced the construction of its first North American manufacturing plant in Puebla, Mexico. This plant is expected to be operative in 2016 and produce the second generation Q5. From 2002 up to 2003, Audi headed the Audi Brand Group, a subdivision of the Volkswagen Group's Automotive Division consisting of Audi, Lamborghini and SEAT, that was focused on
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