The Sunoco at 2201 Walnut St. is selling the cheapest premium gasoline in Philadelphia - Center City for the week of August 19-25, according to GasBuddy.com.
The Shell at 1135 Vine St. is selling the cheapest diesel gasoline in Philadelphia - Center City for the week of August 19-25, according to GasBuddy.com.
The Gulf at 2201 Spring Garden St. is selling the cheapest midgrade gasoline in Philadelphia - Center City for the week of August 19-25, according to GasBuddy.com.