Collaboratively introduced in 2004 by General Motors, BMW, Toyota, and Honda, TOP TIER™ Approved Gasoline and Diesel have become synonymous with exceptional fuel quality and …

Enhance your driving experience by downloading the TOP TIER™ Station Finder app, your go-to tool for quickly and easily finding gas stations that offer TOP TIER™ Approved Fuels.

Licensed TOP TIER™ Gasoline Retailers must adhere to the rigorous fuel detergency performance requirements. Be assured, the performance standard applies to all octane grades …

Enhance your driving experience by downloading the TOP TIER™ Station Finder app, your go-to tool for quickly and easily finding gas stations that offer TOP TIER™ Approved Fuels.

The TOP TIER™ logo means you’re getting fuel that meets the performance requirements set by engine manufacturers. You can also check the TOP TIER™ Licensed Brands lists below.

For gasoline powered engines, the requirements for TOP TIER™ Approved Gasolines primarily address engine deposits from low quality fuels and prohibit the use of organometallic …

TOP TIER™ is recognized as a high-quality fuel performance specification developed by some of the leading automotive and heavy-duty equipment manufacturers.

Nov 6, 2024 · Introducing the TOP TIER+™ Approved Gasoline Performance Standard will extend these benefits to newer, higher-efficiency gasoline direct-injected (GDI) engines.

You can find the list of TOP TIER™ gasoline brands here, and diesel brands here. If the brand of gasoline or diesel on the signage or the dispensing pump is not on our brand list, the fuel is …

TOP TIER™ detergent gasoline can reduce build up deposits on fuel injectors and on intake valves. This can restore engine performance, vehicle responsiveness and fuel economy.