The XLR sounds sexy and delivers brilliant acceleration performance. Its Northstar V8 is a modern, 32-valve, double overhead cam unit with variable-valve technology. At 320 horsepower, it's nearly twice as powerful as the old Cadillac V16. For 2007, the standard XLR benefits from the same six-speed automatic transmission as the XLR-V.
The supercharged XLR-V ups the ante to 443 hp. That was serious race-car power just a few years ago. Next Page