High Quality Content by WIKIPEDIA articles! The Madrid International Auto Show (Salón Internacional del Automóvil de Madrid in Spanish) is a motor show held biennially (on even years) in May in Madrid, Spain, which alternates with the Barcelona Motor Show. It is not recognized as a major international show by the Organisation Internationale des Constructeurs d'Automobiles, but is often the site for late introduction of European cars. The 2006 show runs from May 26 through June 4. Introductions: Citroën C-Buggy concept, Citroën Jumper minivan, Citroën C-Triomphe (2008 C4 sedan preview), Kia Carens, Toyota Avensis facelift. Alternative propulsion prototypes: Citroën C-Cactus, Nissan Denki Cube, Volvo C30 ReCharge.