FuelWide

Gas prices in Massachusetts today

As of 2026-09-09High confidenceper gallon
Regular
$4.24
= €0.97/L · $1.12/L
-0.2% vs 51-state avg
Premium
$5.26
= €1.20/L · $1.39/L
Diesel
$5.88
= €1.34/L · $1.55/L
Daily state average incl. taxes — AAA — Daily State Gas Price Averages. Midgrade: $4.85/gal.

Gas stations in Massachusetts

Stations color-coded by brand — the panel ranks the providers and you can filter to one brand. Move the map anywhere in Massachusettsand press “Search this area”.

Explore stations, fuel options and directions.

The octane step
$1.02

a gallon more for premium than regular in Massachusetts. How that compares with every other state, and whether your car needs it.

Massachusetts regular — price insights
vs last week
up 1.3%
vs last month
up 0.2%
vs last year
up 33.4%
FuelWide Fair Price Score31/100Above average
  • Current price $4.07/gal is 1.7% above the 4-week average
  • Sits at 77% of the 52-week range ($2.79–$4.45/gal)
Massachusetts regular & diesel · USD/gal · last 2 years (EIA weekly)
$4.07 26.4%over range
2.473.444.415.386.352024-09-092025-09-082026-08-31low $2.79high $4.45$5.74$4.07

The EIA publishes retail diesel by region rather than by state, so the diesel line is the New England (PADD 1A) series — the closest official series to Massachusetts. The headline diesel price above is the exact Massachusetts average from AAA.

Every week since the 1990s, with yearly averages →

Massachusetts gas prices by metro area

AAA reports separate daily averages for 7 Massachusetts metros — $0.13 a gallon between the cheapest and the dearest.

AAA metro averages · 2026-09-09

What a tank costs in Massachusetts, and how much of it is tax

Cost to fill up · regular at $4.24/gal
  • Compact — 12 gal$50.93
  • Sedan / crossover — 15 gal$63.66
  • SUV — 20 gal$84.88
  • Full-size pickup — 26 gal$110.34
From empty, at today’s Massachusetts average. Your vehicle and mileage →
Tax on every gallon
$0.45
$0.18 federal + $0.27 Massachusetts · 36 highest of 51
Where your money goes$3.79 fuel + $0.45 tax

Tax is 11% of the pump price in Massachusetts. Pre-tax figure is an estimate — state rates as of 2026-01-01.

Compare all 50 states’ gas taxes →

Massachusetts compared with neighbouring states

Where the line is worth crossing, and where it is not — each comparison shows how much of the gap is tax rather than the fuel itself.

All states · regular, USD/gal · cheapest first$3.49 → $5.88 across the country

The answer, in full — and where it comes from

As of 9 September 2026, regular gasoline in Massachusetts averages $4.24/gal, the state average. Source: Daily fuel gauge report, AAA (a third-party aggregator, published daily). Retrieved by FuelWide on 9 September 2026.

Midgrade gasoline in Massachusetts averages $4.85/gal. Premium gasoline in Massachusetts averages $5.26/gal. Diesel in the New England (PADD 1A) averages $5.88/gal.

Price:
$4.24/gal
Fuel:
Regular gasoline
Price basis:
State average
Applies to:
Massachusetts (state level)
Measured:
2026-09-09
Retrieved:
2026-09-09
Source:
AAA — a third-party aggregator

Daily fuel gauge report · State and metro averages: AAA · How we measure this

Frequently asked questions

How much is gas in Massachusetts right now?

Regular gasoline in Massachusetts averages $4.24 per gallon today (AAA daily state average). Midgrade is $4.85, premium $5.26 and diesel $5.88.

Is gas in Massachusetts expensive compared to other states?

Massachusetts ranks 32 of 51 states from cheapest to most expensive for regular gas this week.

Is gas in Massachusetts above or below the US average?

Regular in Massachusetts is 0.2% below the unweighted mean of AAA's 51 state averages ($4.25/gal), measured on 2026-09-09. The EIA publishes a separate, volume-weighted national average weekly; the two are different measurements and will not match.

How much tax is on a gallon of gas in Massachusetts?

$0.45 a gallon — $0.18 federal plus $0.27 in Massachusetts state taxes and fees, the 36 highest of 51 states. That is about 11% of the pump price. Rates as of 2026-01-01.

How much does it cost to fill up in Massachusetts?

At today's average of $4.24 a gallon, a 15-gallon sedan tank costs $63.66 to fill from empty, and a 26-gallon full-size pickup $110.34.

Why this price is what it is