South Portland Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.91 | $4.19 | $4.6 | $4.99 | - |
| Month Ago Avg. | $3.91 | $4.19 | $4.6 | $4.99 | - |
Highest Recorded Average Gas Price In South Portland Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.04 | 02/26/25 |
| Regular | $3.93 | 06/30/25 |
Top 10 Gas Stations & Cheap Fuel Prices in South Portland
Irving in South Portland (474 Westbrook St)
474 Westbrook St, South Portland, Maine,
$3.48
Oct 23, 2025
0¢ Cashback
Shell in South Portland (334 Cottage Rd)
334 Cottage Rd, South Portland, Maine,
$3.62
Oct 23, 2025
3¢ Cashback
Scrub-A-Dub Carwash in South Portland (425 Gorham Rd)
425 Gorham Rd, South Portland, Maine,
$3.66
Oct 23, 2025
0¢ Cashback
CITGO in South Portland (90 Western Ave)
90 Western Ave, South Portland, Maine,
$3.66
Oct 23, 2025
0¢ Cashback
CITGO in South Portland (446 Western Ave)
446 Western Ave, South Portland, Maine,
$3.69
Oct 23, 2025
0¢ Cashback
Irving in South Portland (682 Broadway)
682 Broadway, South Portland, Maine,
$3.89
Oct 23, 2025
0¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.