Choosing Between 5W-20 and 5W-30 for High Mileage Engines

Discover the best oil for high mileage engines: 5W-20 or 5W-30? Learn why 5W-30 may be the better choice for engine longevity.

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For high-mileage engines, 5W-30 is typically better due to its thicker consistency, which offers better lubrication and protection for older engines. 5W-30 helps reduce wear and tear and can improve the longevity of your engine. However, always consult your vehicle’s manual or a trusted mechanic to make the best choice for your specific car model and condition.

FAQs & Answers

  1. What oil is better for high mileage engines? 5W-30 is generally recommended for high mileage engines due to its thicker consistency, which provides better lubrication.
  2. Can I use 5W-20 instead of 5W-30? While you can use 5W-20, it may not offer the same level of protection as 5W-30 for high mileage engines.
  3. How does oil viscosity affect my engine? Oil viscosity impacts lubrication and protection; thicker oils like 5W-30 are better suited for older engines.
  4. Is it necessary to consult my vehicle manual for oil type? Yes, always consult your vehicle manual or a mechanic to ensure you're using the appropriate oil for your specific engine.