How premium fuel helps your car’s performance [Video]

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When it comes to filling up your tank, fuel is fuel, right?

That common misconception could mean drivers are missing out on the added benefits that premium fuel offers. So how does premium fuel help a vehicle perform better or impact engine health? We spoke to an expert to explain.

The difference between regular and premium fuel

All fuels are not created equal. Premium fuel stands out with distinct characteristics that set it apart from regular gasoline.

The primary difference is the octane rating. The Canadian General Standard for gasoline determines the octane requirements for different gasoline grades, including regular, mid-grade, and premium, indicated by the octane rating, which ranges from 87-94 in fuel grade.

These ratings measure a fuel’s resistance to high temperatures and pressure conditions in the engine, a phenomenon called knock.

Knock is what happens when fuel doesn’t burn evenly in the engine cylinders, due to an incorrect mix of fuel and air, which …