High-quality fuel is just one of the reasons why the world’s top drivers choose Sunoco®. Sunoco puts focus and care into the four fuel grades dispensed at its stations. Whether you fill up with Regular (87 octane), Plus (89 octane), Premium (91 octane), or Ultra 93 grade of fuel, rest assured you’re getting top tier fuel at your local Sunoco gas station.

Top Tier is a certification reserved for fuel that meets the demanding specifications of the TOP TIER Detergent Gasoline Program. Top Tier's enhanced gasoline detergency helps keep engines clean and ensures compliance with tighter vehicle emissions and engine durability requirements. Sunoco Ultratech™ significantly exceeds U.S. Environmental Protection Agency's gasoline detergency standards.

What goes into your tank can matter for so many different reasons. The detergent package in Ultratech helps keep fuel systems and engine components cleaner, helping your car run smoother while saving you money.

Regular use of a Top Tier fuel like Ultratech can help prevent deposits and help your engine run cleaner and perform at its best. A clean engine means more power, improved throttle response, and better fuel efficiency.

Fueling up with a Top Tier fuel like Ultratech can help keep your vehicle performing at its peak. It’s a decision that can have a lasting impact, both on your engine and your wallet.