The Real Cost

2026 Toyota Sienna

2.5L I4 Hybrid FWD · 18 gal tank · 36 MPG · manufacturer spec

$55–$64

typical fill → full tank · 18 gal

At $3.58/gal, this tank gets you about 648 miles.

Source: EIA · Updated November 2, 2026

12-week state trend

+$0.06 over 12 wk

Local context

Dallas runs at $3.58/gal this week — about 13.8% below the U.S. average of $4.15. At this price the 2026 Toyota Sienna's 36 MPG returns roughly 10.1 miles per dollar (27.8 gallons per 1,000 miles).

At a typical 12,000 miles a year — the U.S. driving average — a Dallas driver spends about $1,193 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

$55–$64

typical → full · 648 mi/tank

Per gallon

$3.58

EIA TX state weekly

Monthly · 12k mi/yr

$99.39

27.8 gal

Annual · 12k mi/yr

$1193

333 gal

The math

Why it costs what it costs.

  • Fill cost = 18 gal × $3.58/gal = $64.40
  • Miles per tank = 18 × 36 = 648
  • Annual @ 12,000 mi (typical) = 12,000 ÷ 36 × $3.58 = $1193

Want to customize miles per year or override the pump price you saw? Use the full calculator.