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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. 10W-30

SAE 10w-30 engine oil

If your car needs SAE 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.

Car engine and oil next to text reading 10W-30

What's the best 10w30 oil for your engine?

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.


What is 10W-30 oil recommended for?

  • 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.
Castrol EDGE SAE 10W-30 oil

Castrol EDGE 10W-30 oil

Castrol EDGE 10W-30 provides superior motor oil strength for engines that work harder due to higher engine pressures, helping your vehicle to maximize performance.
Castrol Edge HIGH MILEAGE 10W-30 oil

Castrol Edge HIGH MILEAGE 10W-30 oil

Castrol EDGE High Mileage 10W-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 SAE 10W-30 oil

Castrol EDGE extended performance 10W-30 oil

Castrol EDGE Extended Performance 10W-30 with Fluid Titanium Technology provides unsurpassed protection for critical engine parts, ensuring optimal performance.
Castrol GTX MAGNATEC SAE 10W-30 oil

Castrol GTX MAGNATEC 10W-30 oil

Castrol GTX MAGNATEC 10W-30 is uniquely formulated to provide instant protection from the moment of start.

Castrol GTX SAE 10W-30 oil

Castrol GTX 10W-30 oil

Castrol GTX 10W-30 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 SAE 10W-30 oil

Castrol GTX HIGH MILEAGE 10W-30 oil

Castrol® GTX® High Mileage™ 10W-30 - the #1 High Mileage brand - is a premium synthetic blend motor oil specifically formulated for vehicles with over 75,000 miles.