The Real Cost
Week of November 2, 2026 · Chicago, IL
2026 Toyota Sienna
2.5L I4 Hybrid FWD · 18 gal tank · 36 MPG · manufacturer spec
$72–$85
typical fill → full tank · 18 galAt $4.71/gal, this tank gets you about 648 miles.
Source: EIA · Updated November 2, 2026
12-week state trend · padd proxy
+$0.29 over 12 wk
Local context
Chicago runs at $4.71/gal this week — about 13.3% above the U.S. average of $4.15. At this price the 2026 Toyota Sienna's 36 MPG returns roughly 7.6 miles per dollar (27.8 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Chicago driver spends about $1,569 on gas in this car (use the calculator for your own mileage). For the same car, $1,916 in California (priciest reporting state at $5.75/gal) vs. $1,193 in Texas ($3.58/gal). $723 swing.
By the numbers
Fill cost
$72–$85
typical → full · 648 mi/tank
Per gallon
$4.71
EIA weekly — Chicago
Monthly · 12k mi/yr
$130.72
27.8 gal
Annual · 12k mi/yr
$1569
333 gal
The math
Why it costs what it costs.
- Fill cost = 18 gal × $4.71/gal = $84.71
- Miles per tank = 18 × 36 = 648
- Annual @ 12,000 mi (typical) = 12,000 ÷ 36 × $4.71 = $1569
Want to customize miles per year or override the pump price you saw? Use the full calculator.