Cadillac will soon expand the current CTS range with both a coupe and a wagon. The sharp-angled coupe made the show circuit last season, and the recently unveiled sport wagon is about to begin its marketing tour of duty in anticipation of a spring 2009 on-sale date. The wagon shares the same 113.4-inch...

The domestic answer to the mighty BMW M5 has been unveiled, revealing the highest-performance American sedan - ever. Building on the laudable, second-generation CTS , the flying "V" stuffs the edgy sedan with a supercharged 6.2-liter V-8, fortifies the chassis with a dynamic suspension, and...

In 2004, Cadillac spun its own sports car off the Chevrolet Corvette , creating the brand’s highest performance model to date. Despite the initial excitement and corporate chest pounding, the XLR has settled in to being a low-volume, niche vehicle. (This past May, Cadillac sold just 94 XLRs.) For 2009...

Motorists continue to clamor for GPS-based navigation services, as sales of in-car and portable devices soar. GM’s OnStar telematics division has been competing in this space with a “ turn-by-turn ” service, allowing drivers to request directions from a human advisor that are then downloaded to the vehicle...