Lamar Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $3.25 | $3.51 | $3.9 | $4.62 | - |
Highest Recorded Average Gas Price In Lamar Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.62 | 08/04/26 |
| Regular | $3.25 | 10/06/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Lamar
River Valley Oil & Propane in Lamar (800 W Main St)
800 W Main St, Lamar, Arkansas,
$3.72
Oct 24, 2026
0¢ Cashback
River Valley Oil & Propane in Lamar (800 W Main St)
800 W Main StLamarArkansas72846USA
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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.