The Real Cost
Week of September 21, 2026 · Phoenix, AZ
2026 Lexus NX 350
14.5 gal tank · 24 MPG
$69–$81
typical fill → full tank · 14.5 galAt $5.60/gal, this tank gets you about 348 miles.
Source: EIA · Updated September 21, 2026
12-week state trend · padd proxy
+$0.77 over 12 wk
Local context
Phoenix runs at $5.60/gal this week — about 25.1% above the U.S. average of $4.48. At this price the 2026 Lexus NX 350's 24 MPG returns roughly 4.3 miles per dollar (41.7 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Phoenix driver spends about $2,800 on gas in this car (use the calculator for your own mileage). For the same car, $3,002 in California (priciest reporting state at $6.00/gal) vs. $1,965 in Texas ($3.93/gal). $1,037 swing.
By the numbers
Fill cost
$69–$81
typical → full · 348 mi/tank
Per gallon
$5.60
EIA West Coast weekly
Monthly · 12k mi/yr
$233.33
41.7 gal
Annual · 12k mi/yr
$2800
500 gal
The math
Why it costs what it costs.
- Fill cost = 14.5 gal × $5.60/gal = $81.20
- Miles per tank = 14.5 × 24 = 348
- Annual @ 12,000 mi (typical) = 12,000 ÷ 24 × $5.60 = $2800
Want to customize miles per year or override the pump price you saw? Use the full calculator.