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Engine Oil Viscosity Grades Explained

Oil viscosity refers to how thick or thin the oil is and how well it flows at different temperatures. Choosing the correct viscosity helps protect your engine during cold starts while maintaining lubrication at high operating temperatures.

Common viscosity grades include:

  • 0W-20 and 5W-20 – Low-viscosity oils designed for modern, fuel-efficient engines and hybrid vehicles

  • 5W-30 – A widely used all-purpose motor oil offering balanced protection for daily driving

  • 0W-40 – Ideal for turbocharged and high-performance engines requiring high-temperature stability

  • 10W-30 – Often recommended for older vehicles and high-mileage engines

Always follow the viscosity grade listed in your owner’s manual to ensure optimal engine protection and warranty compliance.

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