Duncan Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.31 | $3.8 | $4.2 | $4.21 | - |
| Month Ago Avg. | $2.97 | $3.33 | $3.79 | $3.71 | - |
Highest Recorded Average Gas Price In Duncan Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.24 | 07/06/26 |
| Regular | $3.32 | 07/06/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Duncan
QuikTrip in Duncan (105 Spartangreen Blvd)
105 Spartangreen Blvd, Duncan, South Carolina,
$3.84
Jul 12, 2026
0¢ Cashback
Exxon in Duncan (127 W Main St)
127 W Main St, Duncan, South Carolina,
$3.95
Jul 12, 2026
0¢ Cashback
Exxon in Duncan (1696 E Main St )
1696 E Main St , Duncan, South Carolina,
$3.99
Jul 12, 2026
0¢ Cashback
Circle K in Duncan (2195 E Main St)
2195 E Main St , Duncan, South Carolina,
$3.99
Jul 12, 2026
0¢ Cashback
Circle K in Duncan (592 E Main St)
592 E Main St, Duncan, South Carolina,
$4.01
Jul 12, 2026
3¢ Cashback
BP in Duncan (1402 E MAIN ST)
1402 E MAIN ST, Duncan, South Carolina,
$4.02
Jul 12, 2026
0¢ Cashback
Spinx in Duncan (1520 E Main St)
1520 E Main St, Duncan, South Carolina,
$4.02
Jul 12, 2026
0¢ Cashback
Marathon in Duncan (1399 E Main St)
1399 E Main St, Duncan, South Carolina,
$4.43
Jul 12, 2026
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.