2005 GMC Sierra 1500

Truck Regular
GMC Sierra 1500 2005
17MPG Combined
14 Trims
← 2004 2005 2006 →
Updated February 27, 2026

The 2005 GMC Sierra 1500 is a Truck that delivers 13–17 combined MPG depending on trim. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.

2005 GMC Sierra 1500 Specifications

SpecValue
Combined MPG13–17 combined MPG depending on trim
City MPG15
Highway MPG20
Body StyleTruck
Fuel TypeRegular
DriveRWD
Available Trims14

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto14/20/164.3L 6cylAutomatic 4-spd
Man14/20/164.3L 6cylManual 5-spd
Auto15/19/174.8L 8cylAutomatic 4-spd
Man14/19/164.8L 8cylManual 5-spd
Auto14/19/165.3L 8cylAutomatic 4-spd
Auto13/18/156.0L 8cylAutomatic 4-spd
Auto14/19/165.3L 8cylAutomatic 4-spd
Auto13/17/154.3L 6cylAutomatic 4-spd
Man13/18/154.3L 6cylManual 5-spd
Auto14/18/164.8L 8cylAutomatic 4-spd
Man14/18/154.8L 8cylManual 5-spd
Auto13/17/155.3L 8cylAutomatic 4-spd
Auto13/17/155.3L 8cylAutomatic 4-spd
Auto12/15/136.0L 8cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2005 GMC Sierra 1500 costs approximately $2,939 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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