Is Castrol 10W-40 good?
Castrol EDGE, an advanced full synthetic 10W-40 motor oil, is Castrol's strongest oil and a great option for those who want the very best for their car. Castrol MAGNATEC is a premium full synthetic 10W-40 that offers superior wear protection.
What is 10W-40 used for?
The 10W-40 engine oil has a thicker viscosity than, say, 10W-30 oil when the car engine is hot. This helps it lubricate older moving parts in high mileage engines while being less likely to leak.
Is Castrol GTX 10W-40 fully synthetic?
Castrol GTX MAGNATEC is a premium full synthetic 10W-40 that offers superior wear protection. If your car has over 75,000 miles on the odometer, Castrol GTX High Mileage 10W-40 can help protect your emission system while helping to extend the life of your engine.
Is 10W-40 OK for my car?
Recommended Services The recommended oil viscosity for your vehicle, according to Kia documentation, is 10W-40. If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even 10W-40 is still perfectly OK to use if outdoor temperatures are below freezing.
Is 10W-40 better for older cars?
When you put more pressure on your vehicle's engine at high temperatures, 10w40 will reduce wear and tear on the engine and make it more durable. 10w40 is also an excellent choice for older vehicles. As a result of the increased viscosity of 10w40, the engine's life was prolonged because it held metal to metal contact.
Is 10W-40 good for high mileage?
Mobil 1 High Mileage 10W-40 motor oil is recommended by ExxonMobil for use in high mileage vehicles (even those that have used lower quality conventional oils†), including: Cars.
When should I use 10W-40 oil?
10W-40 motor oil's greater tolerance for hotter temperatures means that it's better at resisting thermal breakdown and reducing deposit formation. So, if you drive in a warm climate — especially more than 32°C (90°F) — or have an engine that runs hotter than others, 10W-40 oil viscosity is a good option.