If your car requires a 5W-20 motor oil, Castrol offers a full range of options to meet the needs of every driver and vehicle manufacturer.
Whether your preference is for the performance of a full synthetic or the daily protection of a synthetic blend Castrol's range of 5W-20 motor oils flow like a 5 weight oil from a cold start in winter but like a 20 weight oil once the engine warms and the oil reaches optimal operating temperature.
Castrol EDGE, an advanced full synthetic 5W-20 motor oil, is Castrol’s strongest oil and a great option for those who want the very best for their car. Castrol GTX MAGNATEC is a premium full synthetic 5W-20 that offers superior wear protection. If your car has over 75,000 miles on the odometer, Castrol GTX High Mileage 5W-20 can help protect your emission system while helping to extend the life of your engine. Castrol GTX Ultraclean 5W-20 Double-Action formula has been engineered to clean away old sludge while preventing new sludge formation. No oil keeps engines cleaner.