The Real Cost
Week of September 21, 2026 · Boston, MA
2026 Honda Civic
12.4 gal tank · 36 MPG
$46–$54
typical fill → full tank · 12.4 galAt $4.35/gal, this tank gets you about 446 miles.
Source: EIA · Updated September 21, 2026
12-week state trend
+$0.56 over 12 wk
Local context
Boston runs at $4.35/gal this week — about 2.9% below the U.S. average of $4.48. At this price the 2026 Honda Civic's 36 MPG returns roughly 8.3 miles per dollar (27.8 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Boston driver spends about $1,450 on gas in this car (use the calculator for your own mileage). For the same car, $2,001 in California (priciest reporting state at $6.00/gal) vs. $1,310 in Texas ($3.93/gal). $691 swing.
By the numbers
Fill cost
$46–$54
typical → full · 446 mi/tank
Per gallon
$4.35
EIA MA state weekly
Monthly · 12k mi/yr
$120.81
27.8 gal
Annual · 12k mi/yr
$1450
333 gal
The math
Why it costs what it costs.
- Fill cost = 12.4 gal × $4.35/gal = $53.93
- Miles per tank = 12.4 × 36 = 446
- Annual @ 12,000 mi (typical) = 12,000 ÷ 36 × $4.35 = $1450
Want to customize miles per year or override the pump price you saw? Use the full calculator.