Sioux City’s trusted auto dealer group.
Last verified Apr 8, 2026
Johnston Auto & IND OF Spencer Inc, Johnston Auto Stores, and Interstate Auto sell new and used vehicles in Sioux City, Iowa. We offer financing options and vehicle service and repair. We also sell parts and accessories.
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Last enriched on April 8, 2026
Sources: public web data + Iowa public records. This listing is not an endorsement. If you see an error, let us know.
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