The Worst Day of the Week to Buy Gas — and the Best Time to Fill Up Instead (2026)

Gas prices are a constant source of frustration for drivers, and with recent spikes in fuel costs, it's more important than ever to know when and where to fill up your tank. According to GasBuddy's research, the worst day of the week to buy gas is Thursday, as prices tend to spike heading into the high-demand weekend. However, this isn't an exact science, and the best day to fill up varies by state.

In many states, gas is cheapest on Sundays and most expensive on Thursdays. But in states like Texas, Michigan, Indiana, Ohio, and Florida, prices can reset higher on a specific day, then slowly decline over the next several days before the next spike. This means that the difference in what you pay at the end of the cycle can be 15 to 45 cents per gallon or more.

The current national average price for gas is about $3.60 per gallon, but this can vary widely depending on your location. For example, in some states, gas prices have been dramatically affected by the developing war in Iran, leading to skyrocketing prices that could persist until the conflict ends.

So, what can drivers do to save money on gas? Here are some tips:

  1. Drive Less: The more you drive, the more you'll pay. Cut out unnecessary trips, plan your route, and carpool if possible. Use GPS to find the most efficient route.
  2. Use an App: Apps like GasBuddy, Gas Guru, and the AAA mobile app can help you find the lowest gas prices in your area.
  3. Pay in Cash: Many stations offer lower prices for customers who pay with cash, as they don't have to pay the credit card processing surcharge.
  4. Drive Smarter: Accelerating slowly and keeping your overall speed down can use less fuel. Keep your car tuned up and regularly check your tire pressure for better fuel efficiency.

Saving even a dollar or two on every tank of gas can add up over the course of a year. By following these tips, drivers can keep more money in their pocket and navigate the current gas price landscape with a bit more ease.

The Worst Day of the Week to Buy Gas — and the Best Time to Fill Up Instead (2026)
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