The Cadillac XLR is a luxury roadster that was manufactured by General Motors from 2003 to 2009. It is based on the C6 Chevrolet Corvette platform and its styling is similar to other Cadillac vehicles including the Escalade SUV. The XLR is powered by a 4.6L Northstar V8 engine and is available with both an automatic transmission and a 6-speed manual. The XLR is also equipped with several luxury features including a retractable hardtop roof, a navigation system, heated leather seats, and a Bose sound system.