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    GM RWD Update: FWD Impala remains, Zeta to merge with Sigma

    Click above for high-res gallery of the 2008 Pontiac G8 GTAfter our sampling of General Motors' rear-wheel-drive Zeta platform in the 2008 Pontiac G8 GT, we must admit that we're smitten with the platform. Its future in GM's North America car lineup, however, remains in question thanks to stricter ...


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