The newest GMC Sierra 1500 gets about thirteen miles per gallon in the city. This is a fairly average mileage for most pick-up trucks, though much lower than most sedans.
it gets 26 miles to a gallon tank
The fuel tank capacity of the 1999 GMC Sierra 1500 is 26 gallons. Its fuel economy is 13 miles per gallon in the city, and 16 miles per gallon on the highway.
12 miles per gallon
1500/28 = 53.57 gallons.
I would say it gets about 12 miles per gallon.
city 13 hwy 16
15-20
10 - 20
it gets 19.78963592647 gallons per mile
A 1991 Chevy Suburban will get 11 miles per gallon if driving in the city. It gets around 15 miles per gallon on the highway.
13 mpg
The 2007 GMC Sierra-1500 has 16 valves.