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  5. 5W-40

5W-40

If you're looking for a full synthetic 5W-40 motor oil, Castrol® EDGE® is formulated with liquid titanium providing the strength to withstand the pressure of today's high engine pressures.

Selecting the right brand of 5W-40 engine oil

Full synthetic 5W-40 engine oil is formulated to flow like 5 Weight oil from a cold start in winter temperatures and like 40 Weight oil once the engine has reached its normal operating temperature.

 

Castrol® EDGE® is an advanced full synthetic 5W-40 engine oil. It’s our strongest oil and liquid engineered to withstand the high pressure and high temperatures of modern gas and turbo diesel engines.

Castrol EDGE 5W-40

Castrol EDGE 5W-40 gives you the confidence to demand maximum engine performance from today’s higher revving, higher output engines that operate under increased pressures requiring lower viscosity oils with higher level of protection.