The Real Cost
Week of November 2, 2026 · Phoenix, AZ
2027 Chevrolet Trailblazer
1.3L I3 AWD · 13.2 gal tank · 27 MPG · manufacturer spec
$54–$63
typical fill → full tank · 13.2 galAt $4.77/gal, this tank gets you about 356 miles.
Source: EIA · Updated November 2, 2026
12-week state trend · padd proxy
+$0.13 over 12 wk
Local context
Phoenix runs at $4.77/gal this week — about 14.9% above the U.S. average of $4.15. At this price the 2027 Chevrolet Trailblazer's 27 MPG returns roughly 5.7 miles per dollar (37.0 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Phoenix driver spends about $2,120 on gas in this car (use the calculator for your own mileage). For the same car, $2,555 in California (priciest reporting state at $5.75/gal) vs. $1,590 in Texas ($3.58/gal). $964 swing.
By the numbers
Fill cost
$54–$63
typical → full · 356 mi/tank
Per gallon
$4.77
EIA West Coast excl. California weekly
Monthly · 12k mi/yr
$176.70
37.0 gal
Annual · 12k mi/yr
$2120
444 gal
The math
Why it costs what it costs.
- Fill cost = 13.2 gal × $4.77/gal = $62.98
- Miles per tank = 13.2 × 27 = 356
- Annual @ 12,000 mi (typical) = 12,000 ÷ 27 × $4.77 = $2120
Want to customize miles per year or override the pump price you saw? Use the full calculator.