10 Best Gas Stabilizers 2025 in the United States

The STA-BIL Storage Fuel Stabilizer is designed to keep gasoline fresh for up to two years, making it ideal for seasonal equipment or vehicles that sit unused for long periods. It works with all types of gasoline, including ethanol blends, providing versatility and reliability for most fuel types. One of its key benefits is preventing gum and varnish buildup, helping engines run smoothly and avoiding costly maintenance. The product is simple to use—just add the recommended amount to the fuel tank, eliminating the need to drain gas before storage and simplifying preparation.

The STAR BRITE Star Tron Enzyme Fuel Treatment is a versatile gas stabilizer that works with a wide range of vehicles and gas-powered tools, including passenger cars, ATVs, motorcycles, and marine equipment. One of its standout features is its ability to stabilize fuel for up to 2 years, which is impressive for vehicles or equipment that sit idle for long periods. Additionally, it helps rejuvenate old fuel and prevent ethanol-related issues like poor performance and reduced fuel economy.

The STA-BIL 360 Marine Ethanol Treatment is designed specifically for marine engines and watercraft, making it a solid choice for boaters and water sports enthusiasts. It helps stabilize fuel by preventing ethanol-related damage, which is important since ethanol can attract moisture and cause corrosion in engines. This product not only protects against corrosion but also helps clean the fuel system, potentially improving engine performance during the season.