2021 Cadillac XLR Accessories, Dimensions, Engine – The 2021 Cadillac XLR was actually a substantial-performance, high-class roadster constructed from 2004 to 2009 on the very same base when the Chevrolet Corvette C6. The nameplate could come back when GM offers the middle of-engined, C8-development Corvette. Though there is no formal verification from Cadillac, leaked out