GM Full-Size Pickups And SUVs Deliver Better Fuel Economy And Same Great Capabilities With New ‘XFE’ Models
* EPA-rated fuel economy increases to 15 city and 21 highway
* Silverado and Sierra have the best aerodynamics in the class
* Towing capacity on Silverado and Sierra increases to 7,000 lbs (3,175 kg)
* 2009 GMC Sierra Hybrid Delivers 25-Percent [...]

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