Abt Sportsline is a motor racing and auto tuning company based in Kempten im Allgäu, Germany. Abt mainly deals with Audi and the related primary Volkswagen Group brands—Volkswagen, Škoda, and SEAT—modifying them by using sports-type suspensions, engine power upgrades, lightweight wheels, aerodynamic components and more. It has been active in DTM for more than a decade. After the death of their father Johann in 2003, the company with 170 employees in their headquarters in Kempten was run by the brothers Hans-Jürgen Abt and Christian Abt. Since 2011, Hans-Jürgen Abt has run the company.

SEAT S.A. (, Spanish: [ˈseat]; Sociedad Española de Automóviles de Turismo is a Spanish car manufacturer, that sells its vehicles under the SEAT and Cupra brands. Founded on 9 May 1950, it was created as a joint venture between Spain's government-owned Instituto Nacional de Industria, which held a majority stake, Spanish private banks, and Fiat. After being listed as an independent automaker for 36 years, the Spanish government sold SEAT to the Volkswagen Group in 1986, and it remains a fully owned subsidiary of the Group.