Gas in Colorado averaged $1.53 in 2003 — $2.67 in today’s money
Average, that year
$1.53
In 2025 dollars
$2.67
The average price of a gallon of regular gasoline in Colorado across 2003, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).
Across the year
How Colorado prices moved through 2003
Weekly average for regular gasoline. The year’s high was $1.71 the week of September 1, 2003; the low was $1.39 the week of December 15, 2003 — a swing of 22.9%.
View the weekly data (52 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 6, 2003 | $1.46 | $2.57 |
| January 13, 2003 | $1.46 | $2.57 |
| January 20, 2003 | $1.45 | $2.56 |
| January 27, 2003 | $1.44 | $2.54 |
| February 3, 2003 | $1.48 | $2.59 |
| February 10, 2003 | $1.57 | $2.76 |
| February 17, 2003 | $1.62 | $2.84 |
| February 24, 2003 | $1.61 | $2.83 |
| March 3, 2003 | $1.61 | $2.82 |
| March 10, 2003 | $1.64 | $2.87 |
| March 17, 2003 | $1.66 | $2.90 |
| March 24, 2003 | $1.65 | $2.89 |
| March 31, 2003 | $1.62 | $2.84 |
| April 7, 2003 | $1.60 | $2.81 |
| April 14, 2003 | $1.56 | $2.74 |
| April 21, 2003 | $1.52 | $2.68 |
| April 28, 2003 | $1.51 | $2.65 |
| May 5, 2003 | $1.47 | $2.59 |
| May 12, 2003 | $1.46 | $2.56 |
| May 19, 2003 | $1.49 | $2.61 |
| May 26, 2003 | $1.48 | $2.60 |
| June 2, 2003 | $1.46 | $2.56 |
| June 9, 2003 | $1.44 | $2.54 |
| June 16, 2003 | $1.50 | $2.63 |
| June 23, 2003 | $1.49 | $2.62 |
| June 30, 2003 | $1.47 | $2.58 |
| July 7, 2003 | $1.46 | $2.56 |
| July 14, 2003 | $1.46 | $2.55 |
| July 21, 2003 | $1.48 | $2.59 |
| July 28, 2003 | $1.53 | $2.68 |
| August 4, 2003 | $1.54 | $2.69 |
| August 11, 2003 | $1.58 | $2.75 |
| August 18, 2003 | $1.61 | $2.80 |
| August 25, 2003 | $1.65 | $2.88 |
| September 1, 2003 | $1.71 | $2.97 |
| September 8, 2003 | $1.69 | $2.95 |
| September 15, 2003 | $1.67 | $2.90 |
| September 22, 2003 | $1.63 | $2.83 |
| September 29, 2003 | $1.57 | $2.73 |
| October 6, 2003 | $1.52 | $2.66 |
| October 13, 2003 | $1.50 | $2.61 |
| October 20, 2003 | $1.50 | $2.61 |
| October 27, 2003 | $1.54 | $2.69 |
| November 3, 2003 | $1.52 | $2.65 |
| November 10, 2003 | $1.49 | $2.59 |
| November 17, 2003 | $1.47 | $2.55 |
| November 24, 2003 | $1.46 | $2.53 |
| December 1, 2003 | $1.43 | $2.48 |
| December 8, 2003 | $1.40 | $2.44 |
| December 15, 2003 | $1.39 | $2.41 |
| December 22, 2003 | $1.46 | $2.53 |
| December 29, 2003 | $1.45 | $2.52 |
Year over year
How 2003 compares, adjusted for inflation
2003 was Colorado’s 25th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 3rd-cheapest of 27 years (2000–2026).
Every grade
Colorado 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 | $1.53 | $2.67 | — |
| Midgrade | $1.64 | $2.86 | +10.8¢ |
| Premium | $1.74 | $3.04 | +21.0¢ |
Common questions
Colorado gas prices in 2003, answered
- What was the average price of gas in Colorado in 2003?
- The average price of regular gasoline in Colorado in 2003 was $1.53 per gallon — about $2.67 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Colorado during 2003?
- Colorado's weekly average for regular gasoline peaked at $1.71 the week of September 1, 2003 and bottomed out at $1.39 the week of December 15, 2003 — a swing of 22.9% across the year.
- Were gas prices in Colorado higher in 2003 than in 2002?
- Adjusted for inflation, regular gasoline in Colorado was more expensive in 2003 than in 2002, up 10.5% year over year.
- How does 2003 rank for gas prices in Colorado history?
- Adjusted for inflation, 2003 was the 25th-most-expensive year for regular gasoline in Colorado out of the 27 years EIA has published weekly prices (2000–2026).