If your car needs 10W-30 engine oil, Castrol offers a range of options, all of which flow like 10 Weight oil when cold, and 30 Weight oil at full engine operating temperature.
Castrol offers a broad range of 10W-30 engine oils, including premium full synthetic, high mileage and conventional, meeting the needs of both drivers and vehicle manufacturers.
Castrol EDGE, an advanced full synthetic 10W-30 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 10W-30 that offers superior wear protection. If your car has over 75,000 miles on the odometer, Castrol GTX High Mileage 10W-30 can help protect your emission system while helping to extend the life of your engine. Castrol GTX 10W-30 Double-Action formula has been engineered to clean away old sludge while preventing new sludge formation.