The Real Cost

2027 Chevrolet Traverse

21 gal tank · 21 MPG

$70–$83

typical fill → full tank · 21 gal

At $3.93/gal, this tank gets you about 441 miles.

Source: EIA · Updated September 21, 2026

12-week state trend

+$0.64 over 12 wk

Local context

Austin runs at $3.93/gal this week — about 12.3% below the U.S. average of $4.48. At this price the 2027 Chevrolet Traverse's 21 MPG returns roughly 5.3 miles per dollar (47.6 gallons per 1,000 miles).

At a typical 12,000 miles a year — the U.S. driving average — a Austin driver spends about $2,245 on gas in this car (use the calculator for your own mileage). For the same car, $3,430 in California (priciest reporting state at $6.00/gal) vs. $2,245 in Texas ($3.93/gal). $1,185 swing.

By the numbers

Fill cost

$70–$83

typical → full · 441 mi/tank

Per gallon

$3.93

EIA TX state weekly

Monthly · 12k mi/yr

$187.10

47.6 gal

Annual · 12k mi/yr

$2245

571 gal

The math

Why it costs what it costs.

  • Fill cost = 21 gal × $3.93/gal = $82.51
  • Miles per tank = 21 × 21 = 441
  • Annual @ 12,000 mi (typical) = 12,000 ÷ 21 × $3.93 = $2245

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