2004 GMC Sierra 1500

Truck Regular
GMC Sierra 1500 2004
16MPG Combined
14 Trims
Updated February 27, 2026

Looking at the 2004 GMC Sierra 1500? This Truck offers 13–16 combined MPG depending on trim and comes with 14 available configurations. We break down the specs, safety data, and how it compares to the competition.

2004 GMC Sierra 1500 Specifications

SpecValue
Combined MPG13–16 combined MPG depending on trim
City MPG15
Highway MPG19
Body StyleTruck
Fuel TypeRegular
DriveRWD
Available Trims14

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto14/19/164.3L 6cylAutomatic 4-spd
Man14/19/164.3L 6cylManual 5-spd
Auto15/19/164.8L 8cylAutomatic 4-spd
Man14/19/164.8L 8cylManual 5-spd
Auto14/18/165.3L 8cylAutomatic 4-spd
Auto13/16/146.0L 8cylAutomatic 4-spd
Auto13/18/155.3L 8cylAutomatic 4-spd
Auto13/17/144.3L 6cylAutomatic 4-spd
Man13/17/144.3L 6cylManual 5-spd
Auto13/17/154.8L 8cylAutomatic 4-spd
Man13/16/144.8L 8cylManual 5-spd
Auto13/17/155.3L 8cylAutomatic 4-spd
Auto12/16/145.3L 8cylAutomatic 4-spd
Auto12/16/136.0L 8cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2004 GMC Sierra 1500 costs approximately $2,982 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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