When General Motors first showed off the hybrid versions of its Chevy Tahoe and GMC Sierra SUVs, it said mileage gains would be around 25% by the gasoline-only versions. Now GM is saying that when the two hit dealers that fall, city mileage could be 40% better — about 19-20 mpg using the EPA’s 2008 evaluating guidelines.
These will be the first vehicles to use a new hybrid system developed jointly with Chrysler Group and BMW, both of which have hybrid plans of their own. Towing rates will go down, though, from 8,200 pounds to 6,200 pounds, but the SUVs
This hybrid system, like many others, doesn’t affect highway driving as much as city driving, and mileage both on the highway and overall is expected to be around 20 or 21 mpg.
Pricing hasn’t been announced yet, but a $5,000 or increasingly premium by the regular versions would be a conservative estimate.
GM Expects 40% Mileage Boost on Big SUV Hybrids (USA Today)
Original post by David Thomas
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