2003 GMC Jimmy
17MPG
Combined
4
Trims
Updated February 27, 2026
The 2003 GMC Jimmy SUV provides 15–17 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2003 GMC Jimmy Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–17 combined MPG depending on trim |
| City MPG | 15 |
| Highway MPG | 21 |
| Body Style | SUV |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 15/21/17 | 4.3L 6cyl | Automatic 4-spd |
| Man | 14/20/16 | 4.3L 6cyl | Manual 5-spd |
| Auto | 14/18/15 | 4.3L 6cyl | Automatic 4-spd |
| Man | 13/18/15 | 4.3L 6cyl | Manual 5-spd |
Annual Fuel Cost
Based on EPA estimates, the 2003 GMC Jimmy costs approximately $2,812 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2003 GMC Jimmy
See how it stacks up against similar vehicles:
Other Model Years
- 2004 GMC Jimmy
- 2003 (this page)
- 2002 GMC Jimmy
- 2001 GMC Jimmy
- 2000 GMC Jimmy
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