| Gas Station | Regular | Plus | Premium | Diesel |
 | Citgo
520 Newport Ct, Island Lake, IL 60042
Get Directions | $4.259 | $4.399 | $4.599 | N/A |
 | Mobil
226 E State Rd, Island Lake, IL 60042
Get Directions | $4.199 | $4.359 | N/A | N/A |
 | Thorntons
27905 W Hwy 176, Island Lake, IL 60042
Get Directions | $4.049 | N/A | $4.299 | N/A |
| Marathon
399 W Liberty St, Wauconda, IL 60084
Get Directions | $4.099 | N/A | $4.639 | N/A |
| Citgo
1200 N Rand Rd, Wauconda, IL 60084
Get Directions | $4.099 | $4.309 | $4.699 | $4.099 |
| Citgo
205 N Main St, Wauconda, IL 60084
Get Directions | $4.099 | $4.209 | $4.459 | $3.999
Lowest Price |
 | BP
512 W Liberty St, Wauconda, IL 60084
Get Directions | $4.059 | $4.159 | $4.359 | $4.159 |
| BP
400 Silver Lake Rd, Cary, IL 60013
Get Directions | $4.099 | $4.329 | $4.579 | N/A |
| Thorntons
800 Northwest Hwy, Cary, IL 60013
Get Directions | $4.039
Lowest Price | $4.169 | $4.339 | N/A |
| Marathon
8 E Main St, Cary, IL 60013
Get Directions | $4.099 | $4.329 | $4.629 | N/A |
| BP
3615 Chapel Hill Rd, Mchenry, IL 60051
Get Directions | N/A | $4.059
Lowest Price | $4.519 | N/A |
| Bucky's Express
1901 N Richmond Rd, Mchenry, IL 60051
Get Directions | $4.069 | N/A | N/A | $4.099 |
 | Shell
2022 W Il Route 120, Mchenry, IL 60051
Get Directions | $4.199 | $4.459 | $4.769 | $4.299 |
| Shell
3110 W Il Route 120, Mchenry, IL 60051
Get Directions | $4.199 | N/A | $4.799 | N/A |
 | Phillips 66
3111 W Il Route 120, Mchenry, IL 60051
Get Directions | $4.079 | N/A | N/A | N/A |
| Mobil
4304 N Wilmot Rd, Mchenry, IL 60051
Get Directions | $4.159 | N/A | N/A | N/A |
| Meijer
2253 N Richmond Rd, Mchenry, IL 60051
Get Directions | N/A | N/A | $4.209
Lowest Price | N/A |
| Thorntons
28937 W Il Route 120, Mchenry, IL 60051
Get Directions | $4.059 | $4.229 | N/A | N/A |
| Unbranded
400 Northwest Hwy, Fox River Grove, IL 60021
Get Directions | $4.099 | $4.399 | N/A | N/A |
| Shell
848 Northwest Hwy, Fox River Grove, IL 60021
Get Directions | $4.199 | $4.389 | $4.589 | N/A |