San Antonio Standard

The average cost for a gallon of diesel gas in or near zip code 78109 for the week of July 20-26 is $1.89, according to GasBuddy.com. The lowest price is $1.89.

In greater San Antonio, the average price is $1.76 and the lowest price is $1.59. Trends show the price as up.

The average price of unleaded gas in the state is $1.915 per gallon. The previous week, the state average was $1.947 per gallon. The average has increased since last month, when it was $1.842 per gallon – a 7.3 cent difference.Last year, the average price for a gallon of gas was $2.516.

Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.