Massachusetts vs New York gas prices
Regular gas is $0.10 a gallon cheaper in Massachusetts — $1.50 on a 15-gallon fill-up. The two share a border, so that gap is worth knowing before you cross it.
| Grade | MA | NY | Diff. | |
|---|---|---|---|---|
| Regular | $4.12 | $4.22 | $0.10MA | Massachusetts |
| Midgrade | $4.75 | $4.76 | $0.01MA | Massachusetts |
| Premium | $5.15 | $5.15 | $0.00MA | Massachusetts |
| Diesel | $5.48 | $5.63 | $0.15MA | Massachusetts |
Where the $0.10 gap actually comes from
All of it is tax, and then some. The fuel itself is dearer in Massachusetts before tax — by $0.11 a gallon — yet it is still $0.10 cheaper at the pump, because New York levies $0.21 more per gallon. Policy is doing all of the work here and overcoming a product disadvantage on the way.
Fuel, refining, distribution and marginFederal and state taxes Pre-tax figures are estimates — see the note below.
What the gap is worth
Based on today’s $0.10 per-gallon difference, which moves week to week. Use the fuel cost calculator for your own mileage and vehicle.
Prices by metro area
State averages hide a lot. These are the cheapest metros AAA reports on each side.
Other comparisons
Frequently asked questions
Is gas cheaper in Massachusetts or New York?
Regular gas is cheaper in Massachusetts, at $4.12 a gallon against $4.22 in New York — a gap of $0.10, or 2.4%. On a 15-gallon fill-up that is $1.50. Figures are AAA daily state averages for 2026-08-02.
Why is gas more expensive in New York?
Entirely because of tax. Massachusetts actually pays more for the fuel itself — $0.11 a gallon more before tax — but New York levies $0.21 more per gallon, which more than reverses the advantage.
Is diesel cheaper in Massachusetts or New York?
Diesel is cheaper in Massachusetts at $5.48 a gallon, against $5.63 in New York — $0.15 a gallon apart.
Is it worth crossing from New York into Massachusetts to fill up?
If you are already near the line, yes: a 15-gallon fill saves about $1.50. Driving out of your way for it rarely pays — at $4.22 a gallon and 25 mpg, a 4-mile round trip would eat the whole saving in fuel alone, before your time.