The Real Cost
Week of May 18, 2026 · Boston, MA
2026 Ford Mustang
12 gal tank · 19 MPG
$53.38 to fill the tank
At $4.45/gal, this tank gets you about 228 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $53.38
- 228 miles per tank
- $/gallon
- $4.45
- EIA MA state weekly
- Monthly (12k mi/yr)
- $234.11
- 52.6 gallons
- Annual (12k mi/yr)
- $2809
- 632 gallons
The math
Why it costs what it costs.
- Fill cost = 12 gal × $4.45/gal = $53.38
- Miles per tank = 12 × 19 = 228
- Annual (12,000 mi) = 12,000 ÷ 19 × $4.45 = $2809
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