There are 2 E85 stations in Rapid City, South Dakota. Ethanol content at these stations can range from 51% to 85% depending on the supplier and time of year. Use E85 Scout to see community-tested percentages before you fill up.
All E85 Stations in Rapid City
Flying J
4200 N I-90 Service Rd, Rapid City, SD 57709
Canyon Lake Gas & Auto
3928 Canyon Lake Dr, Rapid City, SD 57702
Find E85 Stations Near You
Open E85 Scout to see ethanol percentages, verified badges, and directions for all 2 stations in Rapid City.
Open E85 Scout →Frequently Asked Questions
Where can I get E85 in Rapid City, SD?
There are 2 E85 stations in Rapid City tracked on E85 Scout. Open the app to see station details, community-reported ethanol percentages, and directions.
How many E85 gas stations are in Rapid City?
Rapid City currently has 2 E85 stations. Use E85 Scout to check which have been recently verified and see ethanol percentages.
← Back to all South Dakota E85 stations
Last generated: 2026-03-06.