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Richardson Gas Prices Nudge Lower to $3.9816 as Monthly Costs Rise — September 19, 2026

Regular unleaded averages $3.9816 in the Dallas area, down from yesterday, up from last week and above the Texas average.

Renata Ferris

September 19, 20261 min read

Gas prices at the pump in Richardson Texas - Illustration Jake Team LLC

Richardson, Texas — Gas prices in the Dallas area averaged $3.9816 per gallon for regular unleaded on September 19, 2026, according to AAA, down from $3.9820 yesterday. That is up from $3.8829 a week ago but higher than $3.7018 a month ago.

The statewide average in Texas stands at $3.9516, while the national average is $4.4759. Drivers in the Dallas area are paying above the state average and below the national average.

The Dallas average remains below its AAA recorded high of $4.8370. Regular prices are about 28 cents higher than a month ago. Compared with a year ago, when the metro average was $2.8339, drivers are paying about 115 cents more per gallon.

Diesel in the Dallas area averages $5.9873 per gallon, AAA reported.

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Renata Ferris

Renata Ferris writes about community life, schools, public safety, and local events in Richardson.

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