| Gas Station | Regular | Plus | Premium | Diesel |
 | Phillips 66
102 S Elm St, Gilman, IA 50106
Get Directions | $4.199 | $3.979 | N/A | $3.869 |
 | Unbranded
102 E Church St, Gilman, IA 50106
Get Directions | $3.899 | $3.869 | N/A | N/A |
 | Conoco
806 W Main St, Le Grand, IA 50142
Get Directions | $3.979 | $3.979 | N/A | $3.669
Lowest Price |
| Fast Stop (growmark)
1017 Ogan Ave, Grinnell, IA 50112
Get Directions | $3.899 | N/A | N/A | $3.699 |
| Caseys
1718 6th Ave, Grinnell, IA 50112
Get Directions | $3.999 | N/A | N/A | N/A |
| Kum & Go
1002 West St, Grinnell, IA 50112
Get Directions | $3.999 | $3.899 | $4.099 | $3.749 |
| Phillips 66
1031 West St, Grinnell, IA 50112
Get Directions | $3.979 | N/A | N/A | N/A |
| Caseys
312 West St, Grinnell, IA 50112
Get Directions | $3.999 | $3.899 | N/A | N/A |
| Caseys
217 6th Ave, Grinnell, IA 50112
Get Directions | $3.999 | $3.899 | N/A | N/A |
| Kum & Go
619 6th Ave, Grinnell, IA 50112
Get Directions | $4.049 | $3.949 | $4.199 | $3.749 |
| Kum & Go
715 Lang Creek Ave, Grinnell, IA 50112
Get Directions | $4.129 | $3.979 | $4.279 | $3.689 |
| Phillips 66
1570 Highway 224 S, Kellogg, IA 50135
Get Directions | $4.099 | N/A | $3.949 | $3.769 |
 | Cenex
103 S Main, Laurel, IA 50141
Get Directions | N/A | N/A | $3.799
Lowest Price | $3.899 |
| Phillips 66
111 S 3rd Ave, Marshalltown, IA 50158
Get Directions | $4.099 | $3.929 | $4.149 | N/A |
| Git-N-Go
902 W Lincoln Way, Marshalltown, IA 50158
Get Directions | N/A | $3.999 | N/A | N/A |
| Unbranded
6 Iowa Ave E, Marshalltown, IA 50158
Get Directions | $3.889
Lowest Price | $3.689
Lowest Price | N/A | N/A |
| Caseys
1402 S 12th Ave, Marshalltown, IA 50158
Get Directions | $4.099 | N/A | N/A | N/A |
| Caseys
1201 Iowa Ave W, Marshalltown, IA 50158
Get Directions | $4.109 | N/A | N/A | N/A |
 | BP
1701 Iowa Ave W, Marshalltown, IA 50158
Get Directions | $4.099 | $3.999 | $3.999 | $3.799 |
| Git-N-Go
3302 S Center St, Marshalltown, IA 50158
Get Directions | $4.099 | $3.999 | $4.199 | $3.699 |