The Real Cost
Week of September 21, 2026 · Denver, CO
2025 Kia Soul
14.3 gal tank · 30 MPG
$52–$61
typical fill → full tank · 14.3 galAt $4.26/gal, this tank gets you about 429 miles.
Source: EIA · Updated September 21, 2026
12-week state trend
+$0.74 over 12 wk
Local context
Denver runs at $4.26/gal this week — about 4.9% below the U.S. average of $4.48. At this price the 2025 Kia Soul's 30 MPG returns roughly 7.0 miles per dollar (33.3 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Denver driver spends about $1,703 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
$52–$61
typical → full · 429 mi/tank
Per gallon
$4.26
EIA CO state weekly
Monthly · 12k mi/yr
$141.90
33.3 gal
Annual · 12k mi/yr
$1703
400 gal
The math
Why it costs what it costs.
- Fill cost = 14.3 gal × $4.26/gal = $60.88
- Miles per tank = 14.3 × 30 = 429
- Annual @ 12,000 mi (typical) = 12,000 ÷ 30 × $4.26 = $1703
Want to customize miles per year or override the pump price you saw? Use the full calculator.