Car Overview
GMC redesigned the 2015 Yukon, bringing improved fuel economy and horsepower. This full-size SUV comes in SLE, SLT, and Denali trim levels, and the standard engine is a 5.3-liter V8 with 355 horsepower. A 420-hp V8 is optional. Four-wheel drive is also an option, and the EPA-estimated gas mileage ranges from 16/23/18 mpg in city/highway/combined driving to 14/21/16 mpg. The 2015 GMC Yukon tows up to 8,500 pounds, seats up to nine people, and provides a maximum of 94.7 cubic-feet of cargo space.