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GM is spreading the full-size 2-Mode hybrid wealth from its big SUVs to its trucks. While the last Silverado Hybrid's claim to fame was its ability to act as a worksite generator, the all-new 2009 version is designed to deliver markedly improved fuel economy. Powered by the same 332 hp/367 lb-ft 6.0L V8 hybrid drivetrain as the Tahoe, Yukon and Escalade hybrids, GM claims that the truck will see a 40% increase in city fuel economy and a 25% overall bump compared to its non-hybrid sibling, making it the most fuel-efficient full-size pickup on the market (EPA numbers are still TBD). It can run in all-electric mode up to 30 mph, even when towing (up to 6,100 lbs). Depending on the state of battery charge, all-electric operation can continue for up to one full mile. GM engineers also implemented a number of improvements to make driving quieter under all conditions, which is a.) nice for the occupants and b.) makes for a more seamless transition between electric-only and engine-on modes. In addition to the quiet tuning, the Silverado Hybrid receives aero tweaks in the form of a new front air dam and a standard tonneau cover for the bed. The most obvious tradeoff owners have to make is the loss of some potential in-cabin cargo space, as the battery pack resides under the back seat. That floorspace is normally unoccupied in non-hybrid Silverados and can be used to haul items when the seat bottom is flipped up and out of the way. Some of that utility is obviously lost in this application. Pricing hasn't been announced yet, but expect to pay a premium for the green tech when the truck arrives in showrooms during the latter half of 2008.
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