The Real Cost
Week of May 18, 2026 · Indianapolis, IN
2026 Hyundai Sonata AWD
18 gal tank · 27 MPG
$79.18 to fill the tank
At $4.40/gal, this tank gets you about 486 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $79.18
- 486 miles per tank
- $/gallon
- $4.40
- EIA Midwest weekly
- Monthly (12k mi/yr)
- $162.93
- 37.0 gallons
- Annual (12k mi/yr)
- $1955
- 444 gallons
The math
Why it costs what it costs.
- Fill cost = 18 gal × $4.40/gal = $79.18
- Miles per tank = 18 × 27 = 486
- Annual (12,000 mi) = 12,000 ÷ 27 × $4.40 = $1955
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