2003 Chevrolet TrailBlazer

16MPG
Combined
2
Trims
Updated February 27, 2026
Get the full picture on the 2003 Chevrolet TrailBlazer. As a SUV, it achieves 15–16 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2003 Chevrolet TrailBlazer Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–16 combined MPG depending on trim |
| City MPG | 14 |
| Highway MPG | 20 |
| Body Style | SUV |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 14/20/16 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 13/19/15 | 4.2L 6cyl | Automatic 4-spd |
Annual Fuel Cost
Based on EPA estimates, the 2003 Chevrolet TrailBlazer costs approximately $2,850 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2003 Chevrolet TrailBlazer
See how it stacks up against similar vehicles:
Other Model Years
- 2009 Chevrolet TrailBlazer
- 2008 Chevrolet TrailBlazer
- 2007 Chevrolet TrailBlazer
- 2006 Chevrolet TrailBlazer
- 2005 Chevrolet TrailBlazer
- 2004 Chevrolet TrailBlazer
- 2003 (this page)
- 2002 Chevrolet TrailBlazer
Check Vehicle History
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