Vehicle Data Hub

2003 GMC Sierra Denali fuel economy

The EPA rates the 2003 GMC Sierra Denali at 13 MPG combined (11 city / 15 highway).

At a glance

Combined
13 MPG
City and highway
11 and 15 most efficient version
Yearly fuel cost
$5,150 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
Sierra Denali 1500 AWD
Automatic 4-spd		 8-cyl 6.0L 4-Wheel or All-Wheel Drive 111513 MPG $5,150
EPA estimates under standard test conditions. Your mileage will vary with driving style, load and weather.

At EPA assumptions, the most efficient version costs about $5,150 per year in fuel.

Work out what this car would cost you in fuel each year

Fuel economy in other model years

  • 2019
  • 2018
  • 2016
  • 2011
  • 2005
  • 2003
  • 2002