E85 in Madison runs about $2.89/gal, $0.10 below the national average of $2.99 (3% cheaper).
Every E85 station in Madison
| Station | Address | E85 |
|---|---|---|
| F&M Co-op Oil | 45316 Highway 34 | $2.89 |
Find E85 near you in Madison
Open the E85 App to see every Madison station around you with live prices, the cheapest pump highlighted, and one-tap directions. (See how to find E85 near you.)
Is E85 worth it in Madison?
E85 is usually 15–30% cheaper per gallon than regular, but ethanol has ~27% less energy — so judge it on cost per mile. E85 wins when priced ~20–25% under regular, and the app does that math for you. (More: is E85 cheaper?)
See all E85 stations in South Dakota.
Find E85 now
Live prices, the real ethanol map, and a blend calculator — free on iPhone.
Download on theApp StoreOnly flex-fuel vehicles (FFVs) should run E85 — confirm compatibility before you fill. See how to find E85 near you or browse other states.