South Beloit Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.34 | $3.87 | $4.29 | $4.19 | $2.34 |
| Month Ago Avg. | $3.34 | $3.87 | $4.29 | $4.19 | $2.34 |
Highest Recorded Average Gas Price In South Beloit Year to Date
| Price | Date | |
|---|---|---|
| Regular | $3.34 | 01/01/26 |
| Diesel | $4.19 | 01/01/26 |
Top 10 Gas Stations & Cheap Fuel Prices in South Beloit
Fas Fuel in S. Beloit (518 Shirland Ave)
518 Shirland Ave, South Beloit, Illinois,
$3.53
Jan 21, 2026
0¢ Cashback
Fas Fuel in S. Beloit (518 Shirland Ave)
518 Shirland AveSouth BeloitIllinois61080USA
Mobil in South Beloit (810 Blackhawk Blvd)
810 Blackhawk Blvd, South Beloit, Illinois,
$3.59
Jan 21, 2026
0¢ Cashback
Mobil in South Beloit (810 Blackhawk Blvd)
810 Blackhawk BlvdSouth BeloitIllinois61080USA
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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.