There are a variety of coolant colours, but that might not be the only difference between them. We investigate whether it’s ...

Though coolant and antifreeze are often used interchangeably, they aren’t the same. Antifreeze is made of ethylene glycol or propylene glycol and is the basic ingredient, but it has to be mixed ...

Coolant is a 50/50 combination of water and antifreeze. Like motor oil ... but you may also encounter purple and yellow ...