Click on the image above for our high-res live gallery of the 2010 Pontiac G8 ST

Even the most die-hard enthusiast, dreaming about the 361-hp 6.0-liter V8 under the hood of the upcoming Pontiac G8 Sport Truck, must be having second thoughts about the cost of feeding that thirsty powerplant. With fuel prices rising significantly in just the last few months, the folks at Pontiac are rumored to be considering a six-cylinder option for the G8 ST. The engine, if it finds its way under the hood, would be the same 256-hp 3.6-liter V6 found in the entry-level Pontiac G8 sedan. Not due until the 2010 model year, the V6-powered G8 ST would share the sedan's EPA fuel economy ratings of 17/25, making the sport truck a more feasible for buyers that want to jettison their daily-driven pickups for something with better fuel economy and a bit of utility.

[Source: G8Nation]

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