2003 Chevrolet Trailblazer EXT fuel economy
The EPA lists 4 versions of the 2003 Chevrolet Trailblazer EXT. Combined fuel economy ranges from 14 to 16 MPG; the most efficient version is rated 14 city / 19 highway.
At a glance
- Combined
- 14 to 16 MPG depending on version
- City and highway
- 14 and 19 most efficient version
- Yearly fuel cost
- $4,200 EPA estimate, most efficient version
Source: U.S. EPA fueleconomy.gov
Every version the EPA tested
| Version | Engine | Drive | City | Highway | Combined | Yearly fuel cost |
|---|---|---|---|---|---|---|
| TrailBlazer Ext 2WD Automatic 4-spd | 6-cyl 4.2L | Rear-Wheel Drive | 14 | 19 | 16 MPG | $4,200 |
| TrailBlazer Ext 2WD Automatic 4-spd | 8-cyl 5.3L | Rear-Wheel Drive | 14 | 18 | 15 MPG | $4,450 |
| TrailBlazer Ext 4WD Automatic 4-spd | 6-cyl 4.2L | 4-Wheel or All-Wheel Drive | 13 | 19 | 15 MPG | $4,450 |
| TrailBlazer Ext 4WD Automatic 4-spd | 8-cyl 5.3L | 4-Wheel or All-Wheel Drive | 13 | 16 | 14 MPG | $4,800 |
At EPA assumptions, the most efficient version costs about $4,200 per year in fuel, versus $4,800 for the least efficient.