Stacker compiled a list of the cheapest gas stations in Killeen using data from Gas Buddy. Gas stations are ranked by the lowest regular fuel price.

#1. Sam's Club
- Address: 600 W Central Texas Expy, Harker Heights, TX
- Price: $3.53

#2. Walmart
- Address: 3807 E Stan Schleuter Loop, Killeen, TX
- Price: $3.54

#3. Murphy USA
- Address: 2010-A Heights Dr., Harker Heights, TX
- Price: $3.55

#3. H-E-B (tie)
- Address: 1101 W Stan Schlueter Loop, Killeen, TX
- Price: $3.55

#3. Walmart (tie)
- Address: 3400 W Stan Schlueter Loop, Killeen, TX
- Price: $3.55

#3. Walmart (tie)
- Address: 960 Knight's Way, Harker Heights, TX
- Price: $3.55

#7. QuikTrip
- Address: 806 E Central Texas Expy, Killeen, TX
- Price: $3.57

#8. Casey's
- Address: 3309 South Fort Hood Street, Killeen, TX
- Price: $3.58

#8. Valero (tie)
- Address: 1000 W Stan Schlueter Loop, Killeen, TX
- Price: $3.58

#10. Casey's
- Address: 500 East Fm 2410, Harker Heights, TX
- Price: $3.59