Updated April 5, 2026 — Prices updated regularly from EIA data
$2.84
Regular Unleaded (87 octane) per gallon
About Regular Unleaded in Kenosha
Regular unleaded (87 octane) in Kenosha, Wisconsin costs $$2.84 per gallon today. This is the most widely used fuel grade — over 60% of US passenger vehicles require only regular, making it the most competitive and price-sensitive fuel market.
Vehicles requiring Regular Unleaded typically include most cars and trucks. Your owner's manual and the label inside your fuel door specify the required grade. Using a lower octane than required can cause engine knock and reduce performance over time.
Only if your vehicle requires or recommends it. For vehicles designed for regular 87 octane, there is no measurable performance benefit from upgrading to Regular Unleaded. If your manual specifies Regular Unleaded, the investment protects your engine.
Regular Unleaded in Kenosha is currently priced at approximately $$2.84 per gallon. Nearby cities have comparable prices within 10-15 cents depending on their state's tax structure and local competition.
Regular Unleaded costs more due to the additional refining required to achieve its specifications. Higher octane fuel requires more complex blending processes. The markup reflects real production costs, not arbitrary station pricing.