Depends on the engine. anywhere from 15 to 19 MPG
The EPA mileage estimate for the 2010 GMC Yukon is 15 mpg in the city, 21 mpg on the highway.
The EPA mileage estimate for the 2010 GMC Yukon-XL is 15 mpg in the city, 21 mpg on the highway.
The EPA mileage estimate for the 2010 GMC Yukon-Hybrid is 21 mpg in the city, 22 mpg on the highway.
69 ;)
21
Too many unknown variables ! What's the mpg, is it a flat road, it the road straight, wind speed & direction....
I average 15.8 MPG
28 MPG is pretty average for many cars on the road, so 31 MPG is good.
19 mpg city/26 mpg highway.
The EPA mileage estimate for the 2001 GMC Yukon is 13 mpg in the city, 18 mpg on the highway.
The EPA mileage estimate for the 2003 GMC Yukon is 13 mpg in the city, 17 mpg on the highway.
The EPA mileage estimate for the 2012 GMC Yukon is 15 mpg in the city, 21 mpg on the highway.