2003 GMC Sonoma
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
| Spec | Value |
|---|---|
| Combined MPG | 14–22 combined MPG depending on trim |
| City MPG | 19 |
| Highway MPG | 25 |
| Body Style | Truck |
| Fuel Type | Regular |
| Drive | AWD/4WD |
| Available Trims | 6 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 14/18/15 | 4.3L 6cyl | Automatic 4-spd |
| Man | 12/17/14 | 4.3L 6cyl | Manual 5-spd |
| Auto | 17/23/19 | 2.2L 4cyl | Automatic 4-spd |
| Man | 19/25/22 | 2.2L 4cyl | Manual 5-spd |
| Auto | 15/21/17 | 4.3L 6cyl | Automatic 4-spd |
| Man | 15/22/17 | 4.3L 6cyl | Manual 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
See how it stacks up against similar vehicles:
Other Model Years
- 2004 GMC Sonoma
- 2003 (this page)
- 2002 GMC Sonoma
- 2001 GMC Sonoma
- 2000 GMC Sonoma
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