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Move Over Super Duty, Meet the Fastest Production Pontiac Ever Produced

Pontiac G8 GXP 415 Horsepower
Posted September 8 2008 10:55 AM by HPPCHRIS 
Filed under: Pontiac News, Chris Phillip

The Pontiac Super Duty was the highest rated horsepower Pontiac ever at 405 hp at the crank with its 421 engine. But move over...


 

The Pontiac G8 GXP sedan is soon to be arriving in America's showrooms and the official SAE dyno chart shows the G8 GXP rated at 415 hp.

That's more than the Pontiac 421 Super Duty, the Ram Air IV, the 455 H0, and the 455 SD.

Welcome back, Pontiac!

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