South Plainfield Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $3.59 | $3.91 | $4.15 | $4.23 | $4.19 |
Highest Recorded Average Gas Price In South Plainfield Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.23 | 06/17/26 |
| Regular | $3.59 | 09/08/26 |
Top 10 Gas Stations & Cheap Fuel Prices in South Plainfield
Raceway in South Plainfield (1309 W 7th St)
1309 W 7th St, South Plainfield, New Jersey,
$3.69
Sep 22, 2026
0¢ Cashback
Quick Chek in South Plainfield (317 Durham Ave)
317 Durham Ave, South Plainfield, New Jersey,
$4.37
Sep 22, 2026
0¢ Cashback
Fuel 4 in South Plainfield (4480 Stelton Rd)
4480 Stelton Rd, South Plainfield, New Jersey,
$4.39
Sep 22, 2026
0¢ Cashback
Lukoil in South Plainfield (4501 Stelton Rd)
4501 Stelton Rd, South Plainfield, New Jersey,
$4.55
Sep 22, 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.