The Real Cost
Week of May 18, 2026 · Indianapolis, IN
2026 Ford Mustang
12 gal tank · 19 MPG
$52.79 to fill the tank
At $4.40/gal, this tank gets you about 228 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $52.79
- 228 miles per tank
- $/gallon
- $4.40
- EIA Midwest weekly
- Monthly (12k mi/yr)
- $231.53
- 52.6 gallons
- Annual (12k mi/yr)
- $2778
- 632 gallons
The math
Why it costs what it costs.
- Fill cost = 12 gal × $4.40/gal = $52.79
- Miles per tank = 12 × 19 = 228
- Annual (12,000 mi) = 12,000 ÷ 19 × $4.40 = $2778
Want to customize miles per year or override the pump price you saw? Use the full calculator.