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When is the best time to buy gas in Austin?

Sunday is consistently the cheapest day to buy gas in Austin, Texas, with regular fuel averaging $3.2570 per gallon. Prices gradually rise through the week, making Wednesday to Friday the most expensive times to fill up. Most drivers can save 4 to 9 cents per gallon by buying on Sunday instead of a peak weekday.

Best Day to Buy Gas in Austin: Sunday Saves Money on Fuel

The best time to buy gas in Austin is on Sunday, when prices are consistently the lowest. According to a new study by GasBuddy and Kelley Blue Book, Sunday is the most affordable day across all 50 states, including Texas. In Austin-San Marcos, regular gas currently averages $3.2570 per gallon, which is 2.9 cents lower than yesterday and 19.6 cents lower than a week ago.

Prices typically rise as the week progresses, making Wednesday through Friday the most expensive days to buy gas. The study notes that in most states, prices increase gradually through the week before easing into the weekend. This pattern creates a reliable window for drivers to save 4 to 9 cents per gallon simply by filling up on Sunday instead of a peak weekday.

Here is how gas prices in Austin have changed recently:

Time PeriodRegular Gas Price (Avg)
Current$3.2570
Yesterday$3.2860
Week Ago$3.4530
Month Ago$3.9860
Year Ago$2.8450

While timing your purchase on Sunday is the most effective strategy for most drivers, specific station deals can also help. For example, a Shell station at Lamar and Goodrich offers gas at $3.07 per gallon if you pay cash and use their rewards program. HEB stations are also known for consistently having the cheapest gas around.

AAA experts note that driving efficiently is another way to maximize savings, especially if prices stay high for the next 30 days. However, based on current trends, you may see lower gas prices in the second half of the year if Strait of Hormuz issues ease.

Sidekick helps drivers track these price trends and identify the best local stations to fill up, ensuring you never pay more than you need for fuel.

People also ask

  • What day of the week has the cheapest gas in Austin?
  • When should I fill up my car to save money on gas in Austin?
  • Is Sunday the cheapest day for gas in Austin, Texas?
  • How can I save money on gas by timing my purchase in Austin?

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Last updated: June 26, 2026

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