The Real Cost
Week of September 21, 2026 · Seattle, WA
2025 Lexus ES 350
15.9 gal tank · 25 MPG
$75–$88
typical fill → full tank · 15.9 galAt $5.52/gal, this tank gets you about 398 miles.
Source: EIA · Updated September 21, 2026
12-week state trend
+$0.62 over 12 wk
Local context
Seattle runs at $5.52/gal this week — about 23.2% above the U.S. average of $4.48. At this price the 2025 Lexus ES 350's 25 MPG returns roughly 4.5 miles per dollar (40.0 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Seattle driver spends about $2,648 on gas in this car (use the calculator for your own mileage). For the same car, $2,881 in California (priciest reporting state at $6.00/gal) vs. $1,886 in Texas ($3.93/gal). $996 swing.
By the numbers
Fill cost
$75–$88
typical → full · 398 mi/tank
Per gallon
$5.52
EIA WA state weekly
Monthly · 12k mi/yr
$220.64
40.0 gal
Annual · 12k mi/yr
$2648
480 gal
The math
Why it costs what it costs.
- Fill cost = 15.9 gal × $5.52/gal = $87.70
- Miles per tank = 15.9 × 25 = 398
- Annual @ 12,000 mi (typical) = 12,000 ÷ 25 × $5.52 = $2648
Want to customize miles per year or override the pump price you saw? Use the full calculator.