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  5. 20W-50

Castrol GTX 20W-50

Castrol GTX 20W-50 has been specially formulated to help extend the life of your engine. Learn about the benefits of our 20W-50 engine oil here.

Getting the best 20W-50 oil for your vehicle

 

Castrol GTX 20W-50 is formulated to clean away existing sludge while preventing new sludge formation to help extend engine life. It is also liquid engineered to resist viscosity and thermal breakdown.

gtx-20w-50-4-litre

Castrol GTX 20W-50

Castrol GTX 20W-50 is engineered to extend the life of your engine and provides superior protection against oil burn-off, 60% better than tough industry volitality tests.