Automakers use car shows for several key purposes: Create excitement for the brand with both future production models and sheetmetal-rendered hyperbole. Stimulate shareholder interest, as a good promise can often temper a painful reality. Introduce a future design language, preparing the world for a...

As the automotive world counts down to the New York auto show this week, Pontiac has released a preview of the 2009 Pontiac G8 GXP muscle sedan. Marking a significant gain in performance, the GXP produces Corvette-grade 402 horsepower from an 6.2-liter LS3 V-8. Preliminary performance figures from Pontiac...