| Gas Station | Regular | Plus | Premium | Diesel |
 | 7-Eleven
696 W San Marcos Blvd, San Marcos, CA 92096
Get Directions | $2.899 | $2.999 | N/A | $2.899 |
| 7-Eleven
578 E Mission Rd, San Marcos, CA 92069
Get Directions | $2.919 | N/A | $3.139 | N/A |
 | Circle K
190 W San Marcos Blvd, San Marcos, CA 92069
Get Directions | $2.899 | $3.019 | $3.139 | N/A |
 | Chevron
1290 W Mission Rd, San Marcos, CA 92069
Get Directions | $3.059 | $3.159 | $3.259 | $2.999 |
| Chevron
130 Knoll Rd, San Marcos, CA 92069
Get Directions | $2.939 | $3.039 | N/A | $2.959 |
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| Chevron
1200 W San Marcos Blvd, San Marcos, CA 92078
Get Directions | $2.959 | $3.059 | $3.159 | N/A |
 | 76
102 E Carmel St, San Marcos, CA 92078
Get Directions | $2.999 | $3.099 | $3.199 | N/A |
 | Valero
692 W San Marcos Blvd, San Marcos, CA 92078
Get Directions | $2.719
Lowest Price | N/A | N/A | N/A |
 | Unbranded
105 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $2.899 | N/A | N/A | $3.099 |
| Unbranded
145 Via Vera Cruz, San Marcos, CA 92078
Get Directions | $2.909 | N/A | N/A | $3.199 |
 | Shell
679 W San Marcos Blvd, San Marcos, CA 92078
Get Directions | $2.899 | $3.009 | $3.099 | $2.959 |
| Shell
800 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $2.899 | N/A | $3.099 | $2.839
Lowest Price |
| Chevron
1710 San Elijo Rd, San Marcos, CA 92078
Get Directions | $2.939 | $3.039 | $3.139 | $2.999 |
| 76
112 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $2.899 | N/A | N/A | $2.839 |
| Chevron
110 S Rancho Santa Fe Rd, San Marcos, CA 92078
Get Directions | $2.899 | $2.999 | $3.099 | $2.839 |
| Shell
3480 Del Lago Blvd, Escondido, CA 92029
Get Directions | $2.899 | $2.999 | $3.099 | $3.009 |
 | Exxon
825 N Citracado Pkwy, Escondido, CA 92029
Get Directions | $2.899 | N/A | $2.999
Lowest Price | $2.999 |
| Valero
1400 Auto Park Way, Escondido, CA 92029
Get Directions | $2.879 | $2.979 | $3.079 | N/A |
| Unbranded
1296 W Valley Pkwy, Escondido, CA 92029
Get Directions | $2.959 | $2.959
Lowest Price | $3.159 | $3.059 |
| 7-Eleven
1030 N Broadway, Escondido, CA 92026
Get Directions | $2.869 | N/A | N/A | N/A |