The Real Cost
Week of September 21, 2026 · Detroit, MI
2026 Chevrolet Trax
14 gal tank · 29 MPG
$52–$61
typical fill → full tank · 14 galAt $4.39/gal, this tank gets you about 406 miles.
Source: EIA · Updated September 21, 2026
12-week state trend · padd proxy
+$0.85 over 12 wk
Local context
Detroit runs at $4.39/gal this week — about 2.1% below the U.S. average of $4.48. At this price the 2026 Chevrolet Trax's 29 MPG returns roughly 6.6 miles per dollar (34.5 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Detroit driver spends about $1,815 on gas in this car (use the calculator for your own mileage). For the same car, $2,484 in California (priciest reporting state at $6.00/gal) vs. $1,626 in Texas ($3.93/gal). $858 swing.
By the numbers
Fill cost
$52–$61
typical → full · 406 mi/tank
Per gallon
$4.39
EIA Midwest weekly
Monthly · 12k mi/yr
$151.24
34.5 gal
Annual · 12k mi/yr
$1815
414 gal
The math
Why it costs what it costs.
- Fill cost = 14 gal × $4.39/gal = $61.40
- Miles per tank = 14 × 29 = 406
- Annual @ 12,000 mi (typical) = 12,000 ÷ 29 × $4.39 = $1815
Want to customize miles per year or override the pump price you saw? Use the full calculator.