2003 GMC Sonoma

Truck Regular
GMC Sonoma 2003
22MPG Combined
6 Trims
Updated February 27, 2026

Looking at the 2003 GMC Sonoma? This Truck offers 14–22 combined MPG depending on trim and comes with 6 available configurations. We break down the specs, safety data, and how it compares to the competition.

2003 GMC Sonoma Specifications

SpecValue
Combined MPG14–22 combined MPG depending on trim
City MPG19
Highway MPG25
Body StyleTruck
Fuel TypeRegular
DriveAWD/4WD
Available Trims6

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto14/18/154.3L 6cylAutomatic 4-spd
Man12/17/144.3L 6cylManual 5-spd
Auto17/23/192.2L 4cylAutomatic 4-spd
Man19/25/222.2L 4cylManual 5-spd
Auto15/21/174.3L 6cylAutomatic 4-spd
Man15/22/174.3L 6cylManual 5-spd

Annual Fuel Cost

Based on EPA estimates, the 2003 GMC Sonoma costs approximately $2,600 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2003 GMC Sonoma

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