The Real Cost
Week of May 18, 2026 · Denver, CO
2026 Ford Mustang
12 gal tank · 19 MPG
$55.42 to fill the tank
At $4.62/gal, this tank gets you about 228 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $55.42
- 228 miles per tank
- $/gallon
- $4.62
- EIA CO state weekly
- Monthly (12k mi/yr)
- $243.05
- 52.6 gallons
- Annual (12k mi/yr)
- $2917
- 632 gallons
The math
Why it costs what it costs.
- Fill cost = 12 gal × $4.62/gal = $55.42
- Miles per tank = 12 × 19 = 228
- Annual (12,000 mi) = 12,000 ÷ 19 × $4.62 = $2917
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