Volvo works with Castrol to co-engineer engine oils that maximise engine performance and improve fuel economy. In fact, Volvo engines are designed to work at their optimum level using Castrol EDGE and this is why every Volvo is born with Castrol EDGE inside. With over 115 years of pioneering lubricant technology, Castrol works closely with many leading car manufacturers to develop high performance engine oils. This is why our partners trust and recommend Castrol EDGE, our strongest oil for maximum performance. Find out what other vehicle manufacturers recommend Castrol EDGE.