Gas in Texas averaged $2.44 in 2018 — $3.13 in today’s money
Average, that year
$2.44
In 2025 dollars
$3.13
The average price of a gallon of regular gasoline in Texas across 2018, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).
Across the year
How Texas prices moved through 2018
Weekly average for regular gasoline. The year’s high was $2.76 the week of June 4, 2018; the low was $1.90 the week of December 31, 2018 — a swing of 45.2%.
View the weekly data (53 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 1, 2018 | $2.24 | $2.90 |
| January 8, 2018 | $2.24 | $2.90 |
| January 15, 2018 | $2.27 | $2.94 |
| January 22, 2018 | $2.30 | $2.98 |
| January 29, 2018 | $2.33 | $3.02 |
| February 5, 2018 | $2.34 | $3.02 |
| February 12, 2018 | $2.31 | $2.98 |
| February 19, 2018 | $2.25 | $2.91 |
| February 26, 2018 | $2.23 | $2.88 |
| March 5, 2018 | $2.28 | $2.94 |
| March 12, 2018 | $2.29 | $2.95 |
| March 19, 2018 | $2.31 | $2.98 |
| March 26, 2018 | $2.38 | $3.07 |
| April 2, 2018 | $2.42 | $3.11 |
| April 9, 2018 | $2.40 | $3.09 |
| April 16, 2018 | $2.48 | $3.19 |
| April 23, 2018 | $2.53 | $3.25 |
| April 30, 2018 | $2.60 | $3.34 |
| May 7, 2018 | $2.59 | $3.33 |
| May 14, 2018 | $2.63 | $3.37 |
| May 21, 2018 | $2.69 | $3.46 |
| May 28, 2018 | $2.75 | $3.53 |
| June 4, 2018 | $2.76 | $3.54 |
| June 11, 2018 | $2.73 | $3.50 |
| June 18, 2018 | $2.68 | $3.44 |
| June 25, 2018 | $2.64 | $3.38 |
| July 2, 2018 | $2.63 | $3.37 |
| July 9, 2018 | $2.65 | $3.39 |
| July 16, 2018 | $2.61 | $3.35 |
| July 23, 2018 | $2.58 | $3.30 |
| July 30, 2018 | $2.60 | $3.34 |
| August 6, 2018 | $2.59 | $3.31 |
| August 13, 2018 | $2.58 | $3.30 |
| August 20, 2018 | $2.56 | $3.27 |
| August 27, 2018 | $2.57 | $3.29 |
| September 3, 2018 | $2.54 | $3.24 |
| September 10, 2018 | $2.58 | $3.29 |
| September 17, 2018 | $2.56 | $3.27 |
| September 24, 2018 | $2.55 | $3.26 |
| October 1, 2018 | $2.59 | $3.30 |
| October 8, 2018 | $2.61 | $3.32 |
| October 15, 2018 | $2.61 | $3.32 |
| October 22, 2018 | $2.56 | $3.26 |
| October 29, 2018 | $2.50 | $3.18 |
| November 5, 2018 | $2.43 | $3.10 |
| November 12, 2018 | $2.36 | $3.00 |
| November 19, 2018 | $2.28 | $2.90 |
| November 26, 2018 | $2.17 | $2.77 |
| December 3, 2018 | $2.09 | $2.66 |
| December 10, 2018 | $2.04 | $2.60 |
| December 17, 2018 | $2.01 | $2.56 |
| December 24, 2018 | $1.95 | $2.49 |
| December 31, 2018 | $1.90 | $2.42 |
Year over year
How 2018 compares, adjusted for inflation
2018 was Texas’s 14th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 14th-cheapest of 27 years (2000–2026).
Every grade
Texas fuel prices by grade in 2018
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 | $2.44 | $3.13 | — |
| Midgrade | $2.75 | $3.53 | +31.3¢ |
| Premium | $3.00 | $3.85 | +56.0¢ |
Common questions
Texas gas prices in 2018, answered
- What was the average price of gas in Texas in 2018?
- The average price of regular gasoline in Texas in 2018 was $2.44 per gallon — about $3.13 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Texas during 2018?
- Texas's weekly average for regular gasoline peaked at $2.76 the week of June 4, 2018 and bottomed out at $1.90 the week of December 31, 2018 — a swing of 45.2% across the year.
- Were gas prices in Texas higher in 2018 than in 2017?
- Adjusted for inflation, regular gasoline in Texas was more expensive in 2018 than in 2017, up 9.0% year over year.
- How does 2018 rank for gas prices in Texas history?
- Adjusted for inflation, 2018 was the 14th-most-expensive year for regular gasoline in Texas out of the 27 years EIA has published weekly prices (2000–2026).