Decatur Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $3.87 | $4.4 | $4.82 | $5.16 | $3.11 |
Highest Recorded Average Gas Price In Decatur Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.16 | 06/17/26 |
| Regular | $3.87 | 09/08/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Decatur
McClure in Decatur (1348 S 13th St)
1348 S 13th St, Decatur, Indiana,
$3.55
Sep 23, 2026
0¢ Cashback
Murphy USA in Decatur (1600 S 13th St)
1600 S 13th St, Decatur, Indiana,
$3.73
Sep 23, 2026
0¢ Cashback
Casey's in Decatur (1321 W Adams)
1321 Adams St, Decatur, Indiana,
$3.73
Sep 23, 2026
0¢ Cashback
Marathon in Decatur (509 Bellmont Rd)
509 Bellmont Rd, Decatur, Indiana,
$3.83
Sep 23, 2026
0¢ Cashback
Marathon in Decatur (348 N 13th St )
348 N 13th St, Decatur, Indiana,
$3.83
Sep 23, 2026
0¢ Cashback
Kroger in Decatur (929 S 13th St)
929 S 13th St, Decatur, Indiana,
$3.83
Sep 23, 2026
0¢ Cashback
Phillips 66 in Decatur (703 W Monroe St)
703 W Monroe St, Decatur, Indiana,
$3.89
Sep 23, 2026
0¢ Cashback
Sunoco in Decatur (927 S 13th St)
927 S 13th St, Decatur, Indiana,
$3.93
Sep 23, 2026
3¢ 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.