The Real Cost
Week of May 18, 2026 · Dallas, TX
2026 Lexus RX 350
14 gal tank · 25 MPG
$54.43 to fill the tank
At $3.89/gal, this tank gets you about 350 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $54.43
- 350 miles per tank
- $/gallon
- $3.89
- EIA TX state weekly
- Monthly (12k mi/yr)
- $155.52
- 40.0 gallons
- Annual (12k mi/yr)
- $1866
- 480 gallons
The math
Why it costs what it costs.
- Fill cost = 14 gal × $3.89/gal = $54.43
- Miles per tank = 14 × 25 = 350
- Annual (12,000 mi) = 12,000 ÷ 25 × $3.89 = $1866
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