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 80 in the USA. The Audi 90 was an upmarket version of the Audi 80. The convertible variant was marketed as the Audi Cabriolet. Under Audi's platform numbering convention, the 80 is classified as a member of the "B-series" or "B platform" family of vehicles, with the four generations of 80 being numbered as B1, B2, B3 and B4; its replacement – the Audi A4 – continues this sequence with platform numbers B5 through to B9. Originally this numbering convention ran concurrently with that of the Volkswagen Passat, the first two generations of which were essentially badge engineered clones of the