The Real Cost
Week of May 18, 2026 · Seattle, WA
2006 Chevrolet Silverado 1500 2WD
24 gal tank · 16 MPG
$134.18 to fill the tank
At $5.59/gal, this tank gets you about 384 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $134.18
- 384 miles per tank
- $/gallon
- $5.59
- EIA WA state weekly
- Monthly (12k mi/yr)
- $349.44
- 62.5 gallons
- Annual (12k mi/yr)
- $4193
- 750 gallons
The math
Why it costs what it costs.
- Fill cost = 24 gal × $5.59/gal = $134.18
- Miles per tank = 24 × 16 = 384
- Annual (12,000 mi) = 12,000 ÷ 16 × $5.59 = $4193
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