Gas in Massachusetts averaged $1.58 in 2003 — $2.77 in today’s money
Average, that year
$1.58
In 2025 dollars
$2.77
The average price of a gallon of regular gasoline in Massachusetts across 2003, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U). EIA’s weekly series for Massachusetts begins mid-2003, so this year reflects 32 weeks of data.
Across the year
How Massachusetts prices moved through 2003
Weekly average for regular gasoline. The year’s high was $1.81 the week of September 1, 2003; the low was $1.48 the week of June 9, 2003 — a swing of 22.3%.
View the weekly data (32 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| May 26, 2003 | $1.50 | $2.64 |
| June 2, 2003 | $1.49 | $2.62 |
| June 9, 2003 | $1.48 | $2.60 |
| June 16, 2003 | $1.50 | $2.63 |
| June 23, 2003 | $1.49 | $2.62 |
| June 30, 2003 | $1.48 | $2.60 |
| July 7, 2003 | $1.48 | $2.60 |
| July 14, 2003 | $1.50 | $2.64 |
| July 21, 2003 | $1.52 | $2.66 |
| July 28, 2003 | $1.52 | $2.66 |
| August 4, 2003 | $1.53 | $2.68 |
| August 11, 2003 | $1.56 | $2.72 |
| August 18, 2003 | $1.58 | $2.77 |
| August 25, 2003 | $1.76 | $3.07 |
| September 1, 2003 | $1.81 | $3.14 |
| September 8, 2003 | $1.79 | $3.12 |
| September 15, 2003 | $1.78 | $3.10 |
| September 22, 2003 | $1.76 | $3.06 |
| September 29, 2003 | $1.73 | $3.01 |
| October 6, 2003 | $1.71 | $2.97 |
| October 13, 2003 | $1.69 | $2.95 |
| October 20, 2003 | $1.67 | $2.91 |
| October 27, 2003 | $1.64 | $2.85 |
| November 3, 2003 | $1.60 | $2.79 |
| November 10, 2003 | $1.57 | $2.73 |
| November 17, 2003 | $1.53 | $2.66 |
| November 24, 2003 | $1.53 | $2.66 |
| December 1, 2003 | $1.52 | $2.64 |
| December 8, 2003 | $1.50 | $2.61 |
| December 15, 2003 | $1.49 | $2.59 |
| December 22, 2003 | $1.51 | $2.62 |
| December 29, 2003 | $1.50 | $2.61 |
Year over year
How 2003 compares, adjusted for inflation
vs. prior year
No earlier year on record.
vs. following year · 2004
−12.6%
2004 averaged $3.17 in 2025 dollars.
2003 was Massachusetts’s 23rd-most-expensive year for gas on record, adjusted for inflation — equivalently, the 2nd-cheapest of 24 years (2003–2026).
Every grade
Massachusetts fuel prices by grade in 2003
Year-average price per grade. Premium figures are the spread drivers paid for higher-octane fuel that year.
| Grade | Avg / gal | 2025 $ | vs. regular |
|---|---|---|---|
| Regular | $1.58 | $2.77 | — |
| Midgrade | $1.69 | $2.94 | +10.0¢ |
| Premium | $1.78 | $3.11 | +19.5¢ |
Common questions
Massachusetts gas prices in 2003, answered
- What was the average price of gas in Massachusetts in 2003?
- The average price of regular gasoline in Massachusetts in 2003 was $1.58 per gallon — about $2.77 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Massachusetts during 2003?
- Massachusetts's weekly average for regular gasoline peaked at $1.81 the week of September 1, 2003 and bottomed out at $1.48 the week of June 9, 2003 — a swing of 22.3% across the year.
- How does 2003 rank for gas prices in Massachusetts history?
- Adjusted for inflation, 2003 was the 23rd-most-expensive year for regular gasoline in Massachusetts out of the 24 years EIA has published weekly prices (2003–2026).