The Real Cost

2026 Acura MDX

18.5 gal tank · 21 MPG

$66–$78

typical fill → full tank · 18.5 gal

At $4.22/gal, this tank gets you about 389 miles.

Source: EIA · Updated September 21, 2026

12-week state trend

+$0.55 over 12 wk

Local context

Jacksonville runs at $4.22/gal this week — about 5.8% below the U.S. average of $4.48. At this price the 2026 Acura MDX's 21 MPG returns roughly 5.0 miles per dollar (47.6 gallons per 1,000 miles).

At a typical 12,000 miles a year — the U.S. driving average — a Jacksonville driver spends about $2,410 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

$66–$78

typical → full · 389 mi/tank

Per gallon

$4.22

EIA FL state weekly

Monthly · 12k mi/yr

$200.81

47.6 gal

Annual · 12k mi/yr

$2410

571 gal

The math

Why it costs what it costs.

  • Fill cost = 18.5 gal × $4.22/gal = $78.01
  • Miles per tank = 18.5 × 21 = 389
  • Annual @ 12,000 mi (typical) = 12,000 ÷ 21 × $4.22 = $2410

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