| Gas Station | Regular | Plus | Premium | Diesel |
 | 7-Eleven
696 W San Marcos Blvd, San Marcos, CA 92096
Get Directions | $4.319 | $4.459 | $4.619 | $4.799
Lowest Price |
| 7-Eleven
578 E Mission Rd, San Marcos, CA 92069
Get Directions | $4.339 | $4.519 | $4.679 | N/A |
 | Chevron
110 N Rancho Santa Fe Rd, San Marcos, CA 92069
Get Directions | $4.359 | N/A | $4.539
Lowest Price | $4.859 |
 | Circle K
190 W San Marcos Blvd, San Marcos, CA 92069
Get Directions | $4.479 | $4.579 | $4.679 | N/A |
| Chevron
1290 W Mission Rd, San Marcos, CA 92069
Get Directions | $4.459 | $4.659 | $4.759 | $4.999 |
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| Chevron
130 Knoll Rd, San Marcos, CA 92069
Get Directions | $4.339 | $4.499 | $4.539 | $4.999 |
| Chevron
1710 San Elijo Road, San Marcos, CA 92069
Get Directions | $4.359 | $4.479 | $4.599 | $4.999 |
 | Unbranded
105 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $4.399 | N/A | N/A | $4.989 |
| Unbranded
145 Via Vera Cruz, San Marcos, CA 92078
Get Directions | $4.259
Lowest Price | N/A | N/A | $5.159 |
 | Shell
679 W San Marcos Blvd, San Marcos, CA 92078
Get Directions | $4.399 | $4.499 | $4.599 | $4.999 |
| Shell
800 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $4.359 | $4.479 | $4.609 | $4.999 |
 | Exxon
112 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $4.449 | N/A | N/A | $5.039 |
| Chevron
1200 W San Marcos Blvd, San Marcos, CA 92078
Get Directions | $4.339 | $4.539 | $4.639 | N/A |
 | 76
102 E Carmel St, San Marcos, CA 92078
Get Directions | $4.599 | $4.699 | $4.899 | N/A |
| Shell
3480 Del Lago Blvd, Escondido, CA 92029
Get Directions | N/A | $4.469 | $4.559 | $4.999 |
| Exxon
825 N Citracado Pkwy, Escondido, CA 92029
Get Directions | $4.369 | N/A | N/A | $4.989 |
 | Valero
1400 Auto Park Way, Escondido, CA 92029
Get Directions | $4.299 | $4.499 | $4.539 | N/A |
| Unbranded
1296 W Valley Pkwy, Escondido, CA 92029
Get Directions | N/A | $4.419
Lowest Price | $4.659 | $5.099 |
| 7-Eleven
1030 N Broadway, Escondido, CA 92026
Get Directions | $4.299 | N/A | N/A | N/A |
| 7-Eleven
1177 N Escondido Blvd, Escondido, CA 92026
Get Directions | $4.319 | N/A | $4.599 | N/A |