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€¦ A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system.

Coolant is made up of a mixture of two fluids Ò€ glycol and deionized water, plus special additives to prevent corrosion. When used in the vehicleÒ€ℒs cooling system they protect the engine from Ò€¦ Coolant is a fluid that flows through your car's engine to regulate temperature, whereas antifreeze is a component of coolant. Antifreeze, typically made of ethylene glycol or propylene glycol, is mixed with Ò€¦