5
1 billion miles to the gallon
8 miles
14-20 city
SUV's constructed by GMC offer a variety of miles per gallon ranging from the GMC Terrain that does approximately 30 miles per gallon on the highway to the large GMC Yukon that does approximately 25 miles per gallon. Also, the GMC Acadia will get around 16 to 18 mpg on day to day driving.
a million miles
I average 15.8 MPG
The 2007 GMC Sierra Truck is a beautiful vehicle that features a V-8 high performance engine. The mileage on this truck is approximately 14 miles per gallon in the city.
it gets 19.78963592647 gallons per mile
The estimated gas mileage for a 2002 GMC Envoy with a 4.2 liter, V6 engine is approximately 20 miles per gallon when driving on the highway. For city driving, the approximate gas mileage is 14 miles per gallon.
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.
11-13/city 14-17/hwy
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.