Is 5W30 or 5w40 better for summer?

5w30 can be used by different type of vehicles and in different range of temperatures, but is ideal for colder temperatures. 5w40 is often used in higher mileage engine sand performs better in warmer temperatures.
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Is 5w40 OK for summer?

Can You Run 5w 40 In The Summer? The new 5W40 is great for summer, with its great cold start specs and great performance. The soot load and dilution of fuel will determine how long you can go without interruption.
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Is 5w30 good for summer?

When should I use 5w30 oil? You should always use the oil recommended by your vehicle's manufacturer. However, 5w30 oil can function in temperatures as low as -30ºC and as high as 40ºC, making it an ideal choice if you drive your car in a place with relatively high seasonal temperature variations.
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Is it OK to use 5w40 instead of 5w30?

In practice, this means that each oil is just as viscous at lower temperatures and will remain viscous at -30°C, however 5w40 oil outperforms 5w30 oils at higher temperatures, being effective up to ambient temperatures of 50°C, as opposed to 30°C.
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Which engine oil is best for summer?

As a general rule, you'll get the best protection in the summer when you use a slightly thicker grade of oil, such as a 10W30 instead of a 5W30. Engines need a thicker oil in the summer months because of the summer heat and its effects on thinning the oil out.
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The importance of choosing the right engine oil quality and viscosity for your car or truck - VOTD



Should I use a thicker oil for hot weather?

Thicker oil in the winter would clog the pumps and fail to lubricate them properly. The best motor oil for hot weather is a thicker grade oil to combat the thinning effects of the heat. In the summer, you need a motor oil that will maintain just the right amount of thickness.
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Which is heavier 5w30 or 5w40?

Thickness of 5w30 and 5w40

5W30 is lighter, so it got better fuel consumption.
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What is 5W-30 oil used for?

5W-30 oil is primarily a winter viscosity grade motor oil. While it does perform adequately at a higher temperature, its best use is for people who drive in cold temperature regions. Due to its lower viscosity, it's typically recommended for petrol vehicles or a light-duty diesel engine.
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What does 5W 40 stand for?

5w40 motor oil has a winter viscosity grade of five, meaning it's less viscous at very low temperatures, compared to, say, 10w40. It has a hot viscosity grade of 40, which means it is just as viscous as 10w40 at high temperatures but less viscous than oils such as 15w50.
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Is it OK to mix old and new oil?

When you mix new and old oil, the new oil becomes “watered down” with the lack of interfacial tension and strains to do its' job. Be sure to have your oil changed as soon as possible.
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Is 5w40 good for Mercedes Benz?

Approved for use in Mercedes-Benz

It offers excellent overall lubrication and wear protection performance for all driving styles and conditions, from mild to severe. Mobil 1 Formula M 5W-40 motor oil is designed to help deliver outstanding overall performance and protection.
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Can you use winter oil in the summer?

Drivers would use a winter grade oil during cold weather, since it was designed to be thin and flow more easily in low temperatures. In the summer, they would swap out their winter oil for a thicker one, since hot temperatures thin out oil. Today, however, most motor oils are multi-grade or multi-viscosity.
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Is 5w40 synthetic oil?

Full synthetic 5W-40 motor oil is formulated to flow like 5 Weight oil from a cold start in winter temperatures and like 40 Weight oil once the engine has reached its normal operating temperature.
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Is 0w40 good for summer?

0w40 is multi-grade oil that works well in winter conditions and moderate summer heat.
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What cars use 5w40 oil?

The 5W-40 viscosity is a prevalent recommendation for performance engines in European vehicles with gas-powered engines, and in American diesel pickup trucks. We offer 5W-40 oils for gasoline- and diesel-powered engines. If you have a modern European vehicle, consider Mobil 1™ Formula M or Mobil Super™ Synthetic Euro.
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How long does 5W-30 oil last?

Answer: If your car uses conventional motor oil, such as 5W30 or 10W30, we recommend changing the oil every 3,000 miles or 3 months. If your car uses synthetic oil, we recommend an oil change every 5,000 miles or 6 months. You can push that to 6,000 or 6,500 miles if you almost always drive on the highway.
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Does it matter what 5w30 oil I use?

You should use the car engine oil suggested by the engine manufacturer in your vehicle. However, considering the temperature variations in the Middle East, the 5w30 should be perfect for use in your vehicle.
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Which oil is best for hot temperature?

Refined oils recommended for high-heat cooking and deep-frying are “high oleic” safflower, sunflower, and peanut oil. These oils are from varieties high in monounsaturated fats, which are well-suited for high heat.
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What does 5W 30 mean?

5w30 motor oil has a winter viscosity grade of five, meaning it's less viscous (less thick) at very low temperatures compared to, say, 10w30. It has a hot viscosity grade of 30, which means it is less viscous at high temperatures than an oil such as 5w50.
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How long do synthetic oils last?

So, how long does synthetic oil last? On average, synthetic oil lasts about 6 months to 1 year or 7,500-10,000 miles before needing replacement. However, this is only an approximation and is subject to change based on several factors such as oil brand, age of the vehicle, and driving conditions.
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What is the difference between synthetic blend and full synthetic?

Full synthetic oil uses higher quality base oils than the less-refined oil used in conventional oils, making its molecules more uniform in size with much fewer impurities. While synthetic blends and conventional oil use crude oil as their base, which is found to have more impurities.
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Will thicker oil damage my engine?

Using oil that is thicker than recommended may lead to a decrease in fuel economy, a higher load on your engine, and even a shorter life for your engine. Conversely, using thinner, lighter-weight oil than recommended can cause excessive wear and shorter life.
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Is Thicker oil better for older engines?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well.
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Can I use 5w30 in Mercedes?

Mobil 1 ESP 0W-30 and Mobil 1 ESP 5W-30 advanced full synthetic motor oils approved against Mercedes-Benz specs 229.31, 229.51 and 229.52.
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