The Cadillac XLR is a luxury roadster that was marketed by Cadillac, assembled in Bowling Green, Kentucky. Intended to be Cadillac's flagship sports car, the XLR was based on the Chevrolet Corvette's Y platform. The XLR featured its own unique styling, interior, and suspension, and power-retractable aluminum hardtop, along with the Cadillac Northstar engine. The XLR ended production after the 2009 model year.