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

  1. Home
  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 FULL SYNTHETIC 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.
Castrol Edge 5w-30 Oil

Castrol Edge 5w-30 Oil

Castrol EDGE 5W-30 provides superior motor oil strength for engines that work harder due to higher engine pressures, helping your vehicle to maximize performance.
Castrol Edge 5w-30 A3/B4 Oil

Castrol Edge 5w-30 A3/B4 Oil

Castrol EDGE 5W-30 C3 provides superior motor oil strength for engines that work harder due to higher engine pressures, helping your vehicle to maximize performance.
Castrol High Mileage 5w-30 Oil

Castrol High Mileage 5w-30 Oil

Castrol EDGE High Mileage 5W-30 with Fluid TITANIUM Technology is an advanced full synthetic motor oil that is specifically designed to for vehicles with over 75,000 miles.
Castrol Edge Extended Performance 5w-30 Oil

Castrol Edge Extended Performance 5w-30 Oil

Castrol EDGE Extended Performance 5W-30 with Titanium FST provides unsurpassed protection for critical engine parts, ensuring optimal performance.
Castrol Gtx Ultraclean 5w-30 Oil

Castrol Gtx Ultraclean 5w-30 Oil

Castrol GTX ULTRACLEAN 5W-30 is specifically engineered to prevent the harmful build-up of sludge. reduce oil deposits and provide daily protection for your engine.
Castrol Gtx High Mileage 5w-30 Oil

Castrol Gtx High Mileage 5w-30 Oil

Castrol® GTX® High Mileage™ 5W-30 - the #1 High Mileage brand - is a premium synthetic blend motor oil specifically formulated for vehicles with over 75,000 miles.
Castrol GTX Full Synthetic 5W-30 oil

Castrol GTX Full Synthetic 5W-30 Oil

Castrol GTX Full Synthetic 5W-30 provides maximum protection against wear and sludge to help extend the life of your engine.