Most of America is bounded by farmlands and bisected by highways: flat, fast and straight. Perhaps these are the kinds of driving conditions Pontiac's engineers had in mind when they took the G6 and made it into a GXP.

New for 2008, GXP replaces the GTP sport trim level for the G6 sedan and coupe and offers a host of improvements -- chief among them, a 3.6-liter V-6 engine that makes 252 horsepower and 251 lb-ft of torque. All G6 GXP models also come with GM's Hydra-Matic 6T70 six-speed automatic transmission, performance-tuned suspension, ABS, 18-inch aluminum alloy wheels, and specific exterior and interior goodies that differentiate it from regular G6 models, including leather seats, modified front and rear fascias, unique rocker panels, body-color mirror caps, and dual chrome exhaust tips.

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