The Real Cost
Week of September 21, 2026 · Jacksonville, FL
2026 Chevrolet Trailblazer
13.2 gal tank · 30 MPG
$47–$56
typical fill → full tank · 13.2 galAt $4.22/gal, this tank gets you about 396 miles.
Source: EIA · Updated September 21, 2026
12-week state trend
+$0.55 over 12 wk
Local context
Jacksonville runs at $4.22/gal this week — about 5.8% below the U.S. average of $4.48. At this price the 2026 Chevrolet Trailblazer's 30 MPG returns roughly 7.1 miles per dollar (33.3 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Jacksonville driver spends about $1,687 on gas in this car (use the calculator for your own mileage). For the same car, $2,401 in California (priciest reporting state at $6.00/gal) vs. $1,572 in Texas ($3.93/gal). $830 swing.
By the numbers
Fill cost
$47–$56
typical → full · 396 mi/tank
Per gallon
$4.22
EIA FL state weekly
Monthly · 12k mi/yr
$140.57
33.3 gal
Annual · 12k mi/yr
$1687
400 gal
The math
Why it costs what it costs.
- Fill cost = 13.2 gal × $4.22/gal = $55.66
- Miles per tank = 13.2 × 30 = 396
- Annual @ 12,000 mi (typical) = 12,000 ÷ 30 × $4.22 = $1687
Want to customize miles per year or override the pump price you saw? Use the full calculator.