The Buick Enclave is a mid/full-size three-row crossover SUV launched in 2007 for 2008 model year. The Enclave, the Saturn Outlook, the GMC Acadia, and the Chevrolet Traverse all share the GM Lambda platform. The Enclave was previewed at the 2006 North American International Auto Show, officially as a concept car, making it the first Lambda vehicle to be displayed. The Enclave is partially based on the Buick Centieme concept shown at the 2003 Detroit Auto Show. The Enclave is positioned somewhere between mainstream and entry-level luxury brands. That means it's more expensive than models such as the Chevrolet Traverse (which it's related to) and the Honda Pilot but not as expensive as an Acura MDX or Audi Q7.