Sioux City has 7 public E85 stations — a smaller footprint, but enough that a flex-fuel vehicle is practical here if you're willing to plan routes around the pumps. Casey's General Stores carries most of the network. I-29, US-20, US-75 is the main access corridor. Iowa produced 4.6 billion gallons of ethanol in 2025 — 28% of U.S. output — and retailers collect a $0.16-per-gallon state tax credit on E85 sales through January 1, 2028.
Finding E85 in Sioux City
Sioux City anchors the Siouxland tri-state agricultural hub (Iowa, Nebraska, South Dakota). Siouxland Energy Co-op plus Plymouth Energy and Quad County Corn Processors supply the regional ethanol market. Iowa's state-fleet E85 mandate applies here too. Casey's, Kwik Star, Hy-Vee, Cenex, and Pump & Pantry serve the metro off I-29, US-20, and US-75.
Key highway access: I-29, US-20, US-75
E85 Stations in Sioux City, Iowa
7 verified public E85 stations. Call ahead or use the map above for live status.
- Directions →1.
Casey's
4727 Southern Hills Dr, Sioux City, Iowa, 51106
- Directions →2.
Kwik Star #1293
2548 Glenn Ave, Sioux City, Iowa, 51106
- Directions →3.
Maverik #5035
1373 Pierce St, Sioux City, Iowa, 51105
- Directions →4.
Maverik #5036
1925 S Lakeport St, Sioux City, Iowa, 51106
- Directions →5.
Maverik #5037
1821 Hamilton Blvd, Sioux City, Iowa, 51103
- Directions →6.
Maverik #5274
1005 Gordon Dr, Sioux City, Iowa, 51106
- Directions →7.
Murphy USA #6843
3420 Singing Hills Blvd, Sioux City, Iowa, 51106
What E85 Costs in Sioux City
The DOE Alternative Fuel Price Report for October 2025 pegs Midwest E85 at $2.49/gal versus $2.86/gal for regular gasoline — about a 13% per-gallon discount. Remember to adjust for E85's roughly 25–27% lower fuel economy when calculating true cost per mile. For live pricing, check the station locator above or open your retailer's mobile app.
Nearby Cities with E85
E85 in Sioux City: FAQ
How many gas stations sell E85 in Sioux City?
Sioux City, IA has 7 public E85 stations — about 2% of the 293 in Iowa. Casey's General Stores is the brand you will see most often. The full address list and a live map are above.
Where are the E85 pumps in Sioux City?
Most Sioux City E85 stations sit close to I-29, US-20, US-75. Examples include Maverik #5035 at 1373 Pierce St, Maverik #5036 at 1925 S Lakeport St and Murphy USA #6843 at 3420 Singing Hills Blvd. Tap “Directions” on any station in the list to open it in your maps app.
What if the closest E85 station in Sioux City is out of service?
Flex fuel vehicles run normally on regular gasoline, so you are never stranded. For the next-closest E85, check Council Bluffs, Des Moines and Cedar Rapids, or use the route planner to find pumps along your drive.
Iowa E85 Overview
See 293 stations statewide, coverage maps, retailer lists, and pricing context for Iowa.
Back to Iowa →Plan a Route
Heading out of Sioux City? Map an E85-friendly route with stations along your drive.
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