Pontiac’s G8 line-up may just grow to include a high-performance coupe which bears the GXP go-fast moniker shared with the GXP sedan. This would include much of the same hardware, including the 402-horsepower Corvette-sourced V8 and six-speed manual transmission, and give Pontiac the firepower to compete with the Ford Mustang GT500KR and Dodge Challenger [...]
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