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IT'S MORE THAN JUST OIL. IT'S LIQUID ENGINEERING.

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  2. MOTOR OIL & FLUIDS
  3. ENGINE OILS
  4. MOTOR OIL VISCOSITY GRADES
  5. 5W-30

5w-30 Engine Oil

If your car requires a 5W-30 motor oil, Castrol offers a full range of options to meet the needs of every driver and vehicle manufacturer.

Image of car engine part with text reading 5W-30

GETTING THE RIGHT 5W-30 MOTOR OIL FOR YOUR CAR

5W-30 motor oil is one of the most common viscosity grades and is available from Castrol in advanced full synthetic, premium full synthetic and synthetic blend options.


What is 5W-30 oil good for? 

  • Castrol EDGE, an advanced full synthetic 5W-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 5W-30 that offers superior wear protection.
  • If your car has over 75,000 miles on the odometer, Castrol GTX High Mileage 5W-30 can help protect your emission system while helping to extend the life of your engine.
  • Castrol GTX Ultraclean 5W-30 Double-Action formula has been engineered to clean away old sludge while preventing new sludge formation. No oil keeps engines cleaner.