| Gas Station | Regular | Plus | Premium | Diesel |
 | Stripes
602 W 2nd St, Mercedes, TX 78570
Get Directions | $3.229 | $3.299 | N/A | N/A |
 | 7-Eleven
300 E Expressway 83, Mercedes, TX 78570
Get Directions | $3.109
Lowest Price | N/A | N/A | $3.499
Lowest Price |
| H-E-B
209 N Texas Ave, Mercedes, TX 78570
Get Directions | $3.199 | $3.349 | $3.479 | N/A |
 | Phillips 66
349 W 2nd St, Mercedes, TX 78570
Get Directions | N/A | N/A | $3.679 | N/A |
| Stripes
3939 E Expressway 83, Mercedes, TX 78570
Get Directions | $3.289 | $3.429 | $3.569 | $3.599 |
| Stripes
725 S Texas Blvd, Weslaco, TX 78596
Get Directions | $3.229 | N/A | $3.429
Lowest Price | N/A |
| Stripes
435 W Highway 281, Weslaco, TX 78596
Get Directions | $3.299 | $3.419 | N/A | $3.649 |
| Stripes
102 W Expressway 83, Weslaco, TX 78596
Get Directions | $3.259 | $3.399 | $3.439 | N/A |
| Stripes
803 S Bridge Ave, Weslaco, TX 78596
Get Directions | $3.289 | N/A | N/A | N/A |
| Stripes
901 W Us Highway 83, Weslaco, TX 78596
Get Directions | $3.259 | $3.279 | N/A | N/A |
| Stripes
1919 W Business Highway 83, Weslaco, TX 78596
Get Directions | $3.259 | N/A | N/A | $3.599 |
| Murphy Usa
215 E Expressway 83, Weslaco, TX 78596
Get Directions | $3.259 | $3.259
Lowest Price | $3.429 | $3.499 |
 | Valero
3225 E Expressway 83, Weslaco, TX 78596
Get Directions | $3.199 | N/A | N/A | $3.539 |
 | Exxon
1006 N Texas Blvd, Weslaco, TX 78596
Get Directions | $3.259 | $3.279 | N/A | $3.599 |
| Stripes
3302 E Business Highway 83, Weslaco, TX 78596
Get Directions | $3.289 | N/A | N/A | N/A |
| Stripes
1621 W Us Highway 83, Weslaco, TX 78596
Get Directions | $3.259 | N/A | $3.439 | N/A |
| Phillips 66
811 S International Blvd, Weslaco, TX 78596
Get Directions | $3.189 | N/A | N/A | N/A |
 | Citgo
1400 E Us Highway 83, Weslaco, TX 78596
Get Directions | N/A | N/A | N/A | $3.959 |
| H-E-B
1004 N Texas Blvd, Weslaco, TX 78596
Get Directions | $3.199 | $3.349 | $3.479 | N/A |
| H-E-B
310 N Westgate Dr, Weslaco, TX 78596
Get Directions | $3.199 | $3.349 | $3.479 | N/A |