2003 GMC Sierra Denali 1500

Truck Regular
GMC Sierra Denali 1500 2003
13MPG Combined
1 Trim
← 2002 2003
Updated February 27, 2026

Looking at the 2003 GMC Sierra Denali 1500? This Truck offers 13 combined MPG and comes with 1 available configurations. We break down the specs, safety data, and how it compares to the competition.

2003 GMC Sierra Denali 1500 Specifications

SpecValue
Combined MPG13 combined MPG
City MPG11
Highway MPG15
Body StyleTruck
Fuel TypeRegular
DriveAWD/4WD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2003 GMC Sierra Denali 1500 costs approximately $3,400 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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