Buick ≫ Buick Riviera concept (2007) photo galleryby Joshua ThompsonUnveiled at the 2007 Shanghai Motor Show, this Buick Riviera concept features gull wing doors and sits on GM’s FWD/AWD Epsilon II platform. ◄ PrevNext ►Credit: Wieck 2007 Buick Riviera concept - front Tags:buickconcept carriviera