Chevrolet TrailBlazer Ext 4WD
16 MPG The 2007 Chevrolet TrailBlazer Ext 4WD is EPA-rated at 16 MPG combined (14 city / 19 highway). Over 15,000 miles a year that is about 938 gallons, $3000 a year in fuel, or $0.200 per mile at $3.20/gal.
Across its full 2002–2007 run it averages 15.2 MPG, improving by 1 MPG over 6 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.156 | $1563 | $2344 | $3125 |
| $3.00/gal | $0.188 | $1875 | $2813 | $3750 |
| $3.20/gal | $0.200 | $2000 | $3000 | $4000 |
| $3.50/gal | $0.219 | $2188 | $3281 | $4375 |
| $4.00/gal | $0.250 | $2500 | $3750 | $5000 |
| $4.50/gal | $0.281 | $2813 | $4219 | $5625 |
| $5.00/gal | $0.313 | $3125 | $4688 | $6250 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2007 | 16 MPG | 14 | 19 | $3900 | 555 | 1 |
| 2006 | 15.5 MPG | 13.5 | 18.5 | $4025 | 574 | 2 |
| 2005 | 14.5 MPG | 12.5 | 17.5 | $4300 | 614 | 2 |
| 2004 | 15.5 MPG | 13.5 | 18 | $4025 | 574 | 2 |
| 2003 | 14.5 MPG | 13 | 17.5 | $4300 | 614 | 2 |
| 2002 | 15 MPG | 14 | 19 | $4150 | 592 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 97 sport utility vehicle - 4wd models tracked here, the Chevrolet TrailBlazer Ext 4WD ranks 65 on current figures, against a class average of 18.5 MPG.
Closest more-efficient alternatives in the same class: Honda Passport 4WD (16.5), Chevrolet Avalanche 1500 4WD (17), Chevrolet Suburban 1500 4WD (17), Chevrolet Tahoe 1500 4WD (17), Dodge Durango 4WD (17).
Tailpipe CO₂ is rated at 555 grams per mile, which works out to roughly 8.3 tonnes a year at 15,000 miles.
Questions
What MPG does the Chevrolet TrailBlazer Ext 4WD get?
The 2007 Chevrolet TrailBlazer Ext 4WD is rated at 16 MPG combined by the EPA — 14 city and 19 highway. Across all 6 model years in the database it averages 15.2 MPG, ranging from 14 to 16 depending on year and trim.
How much does a Chevrolet TrailBlazer Ext 4WD cost in fuel per year?
At 16 MPG and 15,000 miles a year, it burns about 938 gallons — roughly $3000 a year with fuel at $3.20 a gallon, or $0.200 per mile. The EPA's own published annual figure for the 2007 model is $3900.
Has the Chevrolet TrailBlazer Ext 4WD become more efficient over time?
Yes. It has gone from 15 MPG in 2002 to 16 in 2007 — an improvement of 1 MPG, or 7% across 6 model years.
Is the Chevrolet TrailBlazer Ext 4WD efficient for its class?
It ranks 65 of 97 in the Sport Utility Vehicle - 4WD class on current figures, against a class average of 18.5 MPG. That is 2.5 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.