You dont want thicker oil for winter. Viscosity.


It is a good choice for people who live in areas with extreme temperatures.

P. . , 5) denotes the oil flow at 0°F.

This enables the 5w20 motor oil to reach engine parts quicker and create less drag that reduces fuel economy.

. . Mar 16, 2023 · 5W40 Engine Oil: The High-Viscosity Alternative.

Fuel Economy Variance. 5w40 generally better for warm temps/summer, 5w30 generally better for colder temps/ winter.

Hot Weather.

Full synthetic also tends to flow more freely when cold.

hence 5 is the same. This explains why many motorists are wondering what is the best oil viscosity to ensure reliable engine protection in the winter.

Reply. .

Each of these products has its own disadvantages and advantages.
5 mPas.
So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during.

The 5w40 is a much better performer in summer because when the temperatures get boiling hot.