The Real Cost

2023 BMW X5

22 gal tank · 15 MPG

$105–$123

typical fill → full tank · 22 gal

At $5.60/gal, this tank gets you about 330 miles.

Source: EIA · Updated September 21, 2026

12-week state trend · padd proxy

+$0.77 over 12 wk

Local context

Mesa runs at $5.60/gal this week — about 25.1% above the U.S. average of $4.48. At this price the 2023 BMW X5's 15 MPG returns roughly 2.7 miles per dollar (66.7 gallons per 1,000 miles).

At a typical 12,000 miles a year — the U.S. driving average — a Mesa driver spends about $4,480 on gas in this car (use the calculator for your own mileage). For the same car, $4,802 in California (priciest reporting state at $6.00/gal) vs. $3,143 in Texas ($3.93/gal). $1,659 swing.

By the numbers

Fill cost

$105–$123

typical → full · 330 mi/tank

Per gallon

$5.60

EIA West Coast weekly

Monthly · 12k mi/yr

$373.33

66.7 gal

Annual · 12k mi/yr

$4480

800 gal

The math

Why it costs what it costs.

  • Fill cost = 22 gal × $5.60/gal = $123.20
  • Miles per tank = 22 × 15 = 330
  • Annual @ 12,000 mi (typical) = 12,000 ÷ 15 × $5.60 = $4480

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