2021 GMC Yukon gets big boost in towing, small bump in fuel economy

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2021 GMC Yukon AT4
The redesigned 2021 GMC Yukon gets a modest bump in fuel economy but big gains in towing capacity, GMC announced Monday. Despite getting larger and loaded with more equipment for 2021, the full-size SUV nets a boost of 1 mpg over the outgoing model on most variants, with an EPA-rated 16 mpg city, 20 mpg highway, 18 mpg combined for Yukon's with...

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