The Opel/Vauxhall Sintra is an automobile produced under the German marque Opel for the market in Europe between 1996 and 1999. It was sold in the United Kingdom as the Vauxhall Sintra. The Sintra was one of the second generation U-body large multi-purpose vehicles (MPV).

The U-platform is a front wheel drive minivan and crossover SUV platform from General Motors produced since 1990. North American sales ended in 2009, but Chinese production continues. The minivans were divided into three generations, 1990–1996, 1997–2005 and 2005-current. The U-body was also used for General Motors' first generation crossovers from 2001-2005.