The Best and Worst Days of the Week to Buy Gas


If you’re trying to save money on gas, you may want to change the day of the week that you fill up.

After analyzing gas price data from January through March 2019, GasBuddy reports that the first day of the work week offers the lowest average gas price in 30 states, making Monday the best day to buy gas.

Monday was also the best day to buy gas in 2018 and 2017, according to GasBuddy’s previous studies.

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The Best and Worst Days of the Week to Buy Gas

Meanwhile, GasBuddy found that Saturday is the worst day to buy gas in 16 states, and Friday has the most expensive average price of any other day of the week. 

“Finally consumers have reason to be motivated about Monday since it offers the biggest savings on gasoline and little wait, if any, to fill up,” says Patrick DeHaan, head of petroleum analysis at GasBuddy. “As the week progresses and our excitement builds for the weekend, gas prices also have a tendency to rise. The most expensive day to fill-up barely remains Friday when looking at averages, while 16 states saw Saturday have the highest average price. Sundays represented the third-worst day to fill up, bringing our study to a conclusion that weekends are the worst time to fill up. You might as well flush money down the toilet.”

GasBuddy: Best day of the week to buy gas
GasBuddy, 2019

Want to save money and avoid the lines? GasBuddy says commuters should buy gas on Monday and Tuesday between 7 a.m. and 10 a.m. to skip the crowds.

RELATED: Buying Gas From a Station on This List Is Better for Your Car

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