| Gas Station | Regular | Plus | Premium | Diesel |
 | Tejano Mart
450 Us Highway 83, Alamo, TX 78516
Get Directions | $3.359 | $3.699 | $3.799 | N/A |
| Murphy Usa
626 N Cesar Chavez Rd, Alamo, TX 78516
Get Directions | $3.199 | N/A | N/A | $3.499
Lowest Price |
| Aziz Quick Stop
1451 Fm 495, Alamo, TX 78516
Get Directions | $3.159
Lowest Price | N/A | N/A | $3.599 |
| Aziz Quick Stop
1101 W Highway 83, Alamo, TX 78516
Get Directions | $3.199 | N/A | N/A | $3.599 |
| El Tigre Food Store
1000 N Alamo Rd, Alamo, TX 78516
Get Directions | $3.199 | N/A | N/A | $3.599 |
| E-Z Mart
501 Frontage Rd, Alamo, TX 78516
Get Directions | $3.299 | N/A | N/A | N/A |
 | Citgo
701 N Alamo Rd, Alamo, TX 78516
Get Directions | $3.259 | N/A | N/A | $3.799 |
| H-E-B
1211 W Us Highway 83, Alamo, TX 78516
Get Directions | $3.199 | $3.349 | $3.479 | N/A |
 | 7-Eleven
822 W Us Highway 83, San Juan, TX 78589
Get Directions | $3.159 | N/A | N/A | $3.499 |
| Stripes
1701 R Longoria St, San Juan, TX 78589
Get Directions | $3.299 | N/A | $3.389
Lowest Price | N/A |
| Stripes
711 N Nebraska Ave, San Juan, TX 78589
Get Directions | $3.259 | N/A | $3.399 | N/A |
| Aziz Quick Stop
911 W Fm 495, San Juan, TX 78589
Get Directions | $3.199 | N/A | N/A | $3.599 |
| Stripes
101 W Nolana Loop, San Juan, TX 78589
Get Directions | $3.299 | $3.359 | $3.439 | $3.599 |
| Aziz Quick Stop
600 E Us Highway 83, San Juan, TX 78589
Get Directions | $3.159 | N/A | N/A | N/A |
| El Tigre Food Store
501 N Cesar Chavez Rd, San Juan, TX 78589
Get Directions | $3.269 | N/A | N/A | $3.559 |
| H-E-B
813 W Expy Us-83, San Juan, TX 78589
Get Directions | $3.199 | $3.349 | $3.479 | $3.499 |
 | Valero
1813 Us Highway 83, Donna, TX 78537
Get Directions | $3.219 | N/A | N/A | $3.599 |
| Stripes
616 N Daniel Salinas Blvd, Donna, TX 78537
Get Directions | $3.289 | $3.299
Lowest Price | $3.469 | N/A |
| Aziz Quick Stop
409 Us Highway 83, Donna, TX 78537
Get Directions | $3.219 | N/A | N/A | N/A |
| El Tigre Food Store
618 N Main St, Donna, TX 78537
Get Directions | $3.259 | N/A | N/A | N/A |