The Real Cost
Week of May 18, 2026 · Minneapolis, MN
2025 Kia Soul
13 gal tank · 30 MPG
$56.47 to fill the tank
At $4.34/gal, this tank gets you about 390 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $56.47
- 390 miles per tank
- $/gallon
- $4.34
- EIA MN state weekly
- Monthly (12k mi/yr)
- $144.80
- 33.3 gallons
- Annual (12k mi/yr)
- $1738
- 400 gallons
The math
Why it costs what it costs.
- Fill cost = 13 gal × $4.34/gal = $56.47
- Miles per tank = 13 × 30 = 390
- Annual (12,000 mi) = 12,000 ÷ 30 × $4.34 = $1738
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