Does Thicker Oil Really Increase Fuel Consumption?

Discover how thicker oil impacts fuel efficiency and engine performance. Find out the recommended oil viscosity for your vehicle.

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Yes, using thicker oil can increase fuel consumption. Thicker oil creates more resistance within the engine, making it work harder to circulate the oil. This additional strain can reduce engine efficiency and lead to higher fuel use. For optimal performance and fuel efficiency, it's crucial to use the oil viscosity recommended by the vehicle manufacturer.

FAQs & Answers

  1. What is the best oil viscosity for my vehicle? Refer to your vehicle's owner's manual for the manufacturer's recommended oil viscosity for optimal performance.
  2. Can using thicker oil harm my engine? Yes, using oil that is too thick can increase engine strain and reduce efficiency, possibly causing damage over time.
  3. How often should I change my engine oil? It's generally recommended to change your engine oil every 5,000 to 7,500 miles, but always check your owner's manual for specific guidance.
  4. Does oil type affect gas mileage? Yes, using the correct oil type can improve gas mileage by ensuring the engine operates efficiently.

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