Choose the right 20W-50 oil for your engine.
Castrol GTX 20W-50
Castrol GTX 20W-50 is specially engineered to prevent the harmful build-up of sludge, reduce oil deposits and provide daily protection for your engine.
Castrol GTX High Mileage 20W-50
Castrol® GTX® High Mileage™ 20W-50 - the #1 High Mileage brand - is a premium synthetic blend motor oil specifically formulated for vehicles with over 75,000 miles.