The Oldsmobile Aurora is a luxury sedan, manufactured and marketed by General Motors from 1994 until 2003 over two generations — sharing platforms with Buick Riviera and using the Cadillac-derived G platform. At the time of production, the Aurora was the flagship vehicle in the Oldsmobile lineup. It originated as the 1990 Cadillac Aurora concept using the Allante 4.5 V8 engine and all-wheel drive.