The fuel economy calculations assume annual mileage of 15,000 miles, 45% of which is highway miles and 55% city miles and fuel costs of $2.79 per gallon. These figures can be adjusted to more accurately reflect your driving style and fuel costs in your area:

GMC Year: 2020201920172016201520142013201220112010200920082007200620052004200320022001200019991998
Annual Miles:
Highway Miles (%):
City Miles (%):
Fuel Cost Per Gallon: