The Real Cost
Week of May 18, 2026 · Boston, MA
2026 Nissan Sentra (2-mode)
15 gal tank · 33 MPG
$66.72 to fill the tank
At $4.45/gal, this tank gets you about 495 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $66.72
- 495 miles per tank
- $/gallon
- $4.45
- EIA MA state weekly
- Monthly (12k mi/yr)
- $134.79
- 30.3 gallons
- Annual (12k mi/yr)
- $1617
- 364 gallons
The math
Why it costs what it costs.
- Fill cost = 15 gal × $4.45/gal = $66.72
- Miles per tank = 15 × 33 = 495
- Annual (12,000 mi) = 12,000 ÷ 33 × $4.45 = $1617
Want to customize miles per year or override the pump price you saw? Use the full calculator.