The Real Cost

2024 BMW X3

3.0L V6 Premium AWD M · 17.7 gal tank · 17 MPG · manufacturer spec

$72–$84

typical fill → full tank · 17.7 gal

At $4.77/gal, this tank gets you about 301 miles.

Source: EIA · Updated November 2, 2026

12-week state trend · padd proxy

+$0.13 over 12 wk

Local context

Phoenix runs at $4.77/gal this week — about 14.9% above the U.S. average of $4.15. At this price the 2024 BMW X3's 17 MPG returns roughly 3.6 miles per dollar (58.8 gallons per 1,000 miles).

At a typical 12,000 miles a year — the U.S. driving average — a Phoenix driver spends about $3,368 on gas in this car (use the calculator for your own mileage). For the same car, $4,057 in California (priciest reporting state at $5.75/gal) vs. $2,526 in Texas ($3.58/gal). $1,532 swing.

By the numbers

Fill cost

$72–$84

typical → full · 301 mi/tank

Per gallon

$4.77

EIA West Coast excl. California weekly

Monthly · 12k mi/yr

$280.65

58.8 gal

Annual · 12k mi/yr

$3368

706 gal

The math

Why it costs what it costs.

  • Fill cost = 17.7 gal × $4.77/gal = $84.45
  • Miles per tank = 17.7 × 17 = 301
  • Annual @ 12,000 mi (typical) = 12,000 ÷ 17 × $4.77 = $3368

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