A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, and low cost, is non-toxic and chemically Ò€¦ Engine coolant is a pre-mixed solution that's half antifreeze and half water, so you can pour into the radiator right from the bottle.

Coolant, on the other hand, is a mixture of antifreeze and water in the right proportions, ready to be poured directly into your vehicleÒ€ℒs cooling system. In essence, coolant is antifreeze with added water, Ò€¦ Coolant, a vital fluid in your vehicle, is designed to regulate the engineÒ€ℒs temperature. It is typically a mixture of water and antifreeze, with additional additives to prevent corrosion and increase boiling Ò€¦