The Real Cost
Week of November 2, 2026 · San Diego, CA
2024 BMW X3
3.0L V6 Premium AWD M · 17.7 gal tank · 17 MPG · manufacturer spec
$86–$102
typical fill → full tank · 17.7 galAt $5.75/gal, this tank gets you about 301 miles.
Source: EIA · Updated November 2, 2026
12-week state trend
+$0.32 over 12 wk
Local context
San Diego runs at $5.75/gal this week — about 38.4% above the U.S. average of $4.15. At this price the 2024 BMW X3's 17 MPG returns roughly 3.0 miles per dollar (58.8 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a San Diego driver spends about $4,057 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
$86–$102
typical → full · 301 mi/tank
Per gallon
$5.75
EIA CA state weekly
Monthly · 12k mi/yr
$338.12
58.8 gal
Annual · 12k mi/yr
$4057
706 gal
The math
Why it costs what it costs.
- Fill cost = 17.7 gal × $5.75/gal = $101.74
- Miles per tank = 17.7 × 17 = 301
- Annual @ 12,000 mi (typical) = 12,000 ÷ 17 × $5.75 = $4057
Want to customize miles per year or override the pump price you saw? Use the full calculator.