The Real Cost
Week of September 21, 2026 · Seattle, WA
2026 Lexus RX 350h
17.2 gal tank · 36 MPG
$81–$95
typical fill → full tank · 17.2 galAt $5.52/gal, this tank gets you about 619 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 2026 Lexus RX 350h's 36 MPG returns roughly 6.5 miles per dollar (27.8 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Seattle driver spends about $1,839 on gas in this car (use the calculator for your own mileage). For the same car, $2,001 in California (priciest reporting state at $6.00/gal) vs. $1,310 in Texas ($3.93/gal). $691 swing.
By the numbers
Fill cost
$81–$95
typical → full · 619 mi/tank
Per gallon
$5.52
EIA WA state weekly
Monthly · 12k mi/yr
$153.22
27.8 gal
Annual · 12k mi/yr
$1839
333 gal
The math
Why it costs what it costs.
- Fill cost = 17.2 gal × $5.52/gal = $94.88
- Miles per tank = 17.2 × 36 = 619
- Annual @ 12,000 mi (typical) = 12,000 ÷ 36 × $5.52 = $1839
Want to customize miles per year or override the pump price you saw? Use the full calculator.