| Gas Station | Regular | Plus | Premium | Diesel |
 | Citgo
169 Plain Rd, Westford, MA 01886
Get Directions | $3.569 | N/A | N/A | N/A |
 | Mobil
185 Littleton Rd, Westford, MA 01886
Get Directions | $3.499 | $3.699 | N/A | N/A |
 | Cumberland
188 Littleton Rd, Westford, MA 01886
Get Directions | $3.499 | $3.759 | $3.879 | N/A |
 | Gulf
179 Littleton Rd, Westford, MA 01886
Get Directions | $3.539 | N/A | N/A | N/A |
 | Unbranded
498 Groton Rd, Westford, MA 01886
Get Directions | $3.559 | $3.699 | $3.899 | N/A |
|
 | BP
262 Groton Rd, Westford, MA 01886
Get Directions | $3.599 | N/A | N/A | N/A |
| BP
1 Oak Hill Rd, Westford, MA 01886
Get Directions | $3.569 | $3.669 | N/A | N/A |
| Unbranded
215 Groton Rd, Westford, MA 01886
Get Directions | $3.599 | N/A | N/A | $3.999 |
| Unbranded
210 Groton Road, Westford, MA 01886
Get Directions | $3.599 | N/A | N/A | $3.999 |
| Citgo
256 Ayer Rd, Littleton, MA 01460
Get Directions | $3.639 | N/A | N/A | $3.859 |
| Gulf
277 Great Rd, Littleton, MA 01460
Get Directions | $3.659 | N/A | N/A | N/A |
| Citgo
2 Harvard Rd, Littleton, MA 01460
Get Directions | $3.679 | N/A | N/A | N/A |
| Mobil
500 King St, Littleton, MA 01460
Get Directions | $3.599 | N/A | N/A | $3.799
Lowest Price |
 | Shell
25 King St, Littleton, MA 01460
Get Directions | $3.599 | $3.619
Lowest Price | $3.819
Lowest Price | $3.859 |
| Shell
460 King St, Littleton, MA 01460
Get Directions | $3.609 | $3.699 | $3.899 | N/A |
| Gulf
81 Tyngsboro Rd, North Chelmsford, MA 01863
Get Directions | $3.499 | $3.699 | $3.879 | N/A |
| Unbranded
188 Princeton St, North Chelmsford, MA 01863
Get Directions | $3.459
Lowest Price | N/A | N/A | N/A |
| Mobil
95 Westford Rd, Tyngsboro, MA 01879
Get Directions | $3.599 | $3.739 | N/A | $3.899 |
| Unbranded
397 Middlesex Rd, Tyngsboro, MA 01879
Get Directions | $3.479 | N/A | N/A | N/A |
 | Sunoco
80 Chelmsford St, Chelmsford, MA 01824
Get Directions | $3.559 | $3.799 | $3.899 | N/A |