The Real Cost
Week of September 21, 2026 · Mesa, AZ
2025 Kia Soul
14.3 gal tank · 30 MPG · manufacturer spec
$62–$73
typical fill → full tank · 14.3 galAt $5.11/gal, this tank gets you about 429 miles.
Source: EIA · Updated September 21, 2026
12-week state trend · padd proxy
+$0.77 over 12 wk
Local context
Mesa runs at $5.11/gal this week — about 14.0% above the U.S. average of $4.48. At this price the 2025 Kia Soul's 30 MPG returns roughly 5.9 miles per dollar (33.3 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Mesa driver spends about $2,042 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
$62–$73
typical → full · 429 mi/tank
Per gallon
$5.11
EIA West Coast excl. California weekly
Monthly · 12k mi/yr
$170.20
33.3 gal
Annual · 12k mi/yr
$2042
400 gal
The math
Why it costs what it costs.
- Fill cost = 14.3 gal × $5.11/gal = $73.02
- Miles per tank = 14.3 × 30 = 429
- Annual @ 12,000 mi (typical) = 12,000 ÷ 30 × $5.11 = $2042
Want to customize miles per year or override the pump price you saw? Use the full calculator.