5W-30 vs 5W-40: Which Oil is Best for High Mileage Vehicles?
Discover whether 5W-30 or 5W-40 oil is better for high mileage vehicles and ensure optimal engine performance.
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5W-30 is generally more suitable for high mileage vehicles because it provides excellent lubrication at low and high temperatures. 5W-30 helps to support engine longevity by reducing wear and keeping seals and components from deteriorating. However, 5W-40 can also be used if your vehicle operates under extreme conditions or if your owner's manual recommends it. Always check your owner’s manual for the manufacturer’s recommendation to ensure the best choice for your specific vehicle.
FAQs & Answers
- What oil should I use for high mileage vehicles? 5W-30 is often recommended, but 5W-40 can be suitable for extreme conditions.
- How do I know which oil is better for my car? Always refer to your owner's manual for the manufacturer's oil recommendation.
- What are the benefits of using 5W-30 oil? 5W-30 provides excellent lubrication at low and high temperatures, reducing wear and extending engine life.
- Can I switch from 5W-30 to 5W-40? Yes, you can switch if your vehicle operates in extreme conditions or if recommended by your owner's manual.