5W30 vs 5W40: What are the Differences?

If you’re getting confused while picking the right engine oil for your vehicle, we are here to assist you with the most viable, economical, fuel-efficient, and protective engine oil grades that will make it crystal clear for you to choose what is better for your vehicle. Let’s have a glance at two best options for your vehicle’s engine.

The first one is 5W30 engine oil, which is the most common engine oil in the market. This works efficiently for different types of vehicles in various temperature conditions. Its versatile options make it viable for mild winters and summers as well.

The second one is 5W40 engine oil, which is not much popular as its preceding is. But still, it is used to promote your engine health, protect your engine from sludge, therefore, eventually protecting from severe damage. It can move up in parts at a faster pace, greasing the engine with a stronger intent.

Jumping to concluding and decisive remarks about the differences between 5W30 and 5W40 engine oils, we can analyze factors like viscosity, fuel economy, price ranges, and temperature ranges. Let’s put some light on these contrasting facts.

Viscosity defines how well an engine oil flow through the engine. It should be low in viscosity to flow better in your engine and lubricate every part. Viscosity range of 5w30 is between 9.3 to 12.5mm2/s whereas the viscosity range of 5w40 is 12.5 to 16.3mm2/s. This implies that 5w40 has a larger viscosity range than 5w30. So, 5w30 is better than 5w40.

Moving onto the next difference, let’s compare fuel efficiency given by both these engine oils, 5w30 is more fuel economical than 5w40. It works amazingly fine with an extensive set of vehicles having different engine kinds. Therefore, it gives you a better fuel economy than 5W40 engine oil.

By comparing the pricing mechanism, you will find that 5w30 is comparatively more costly than 5w40. However, it is worth every single penny and provides you what your engine is craving for.

By comparing the temperature ranges given by both these engine oils, 5w40 operates in the temperature range of -25OC to 35OC whereas, 5w30 could also be used in the same temperature ranges. This doesn’t differentiate both of them. Yet it makes them identical. However, you can refer to maintenance tips by car experts to know better about the temperature ranges and their implications to extensively understand the whole scenario.

Deciding on these above-mentioned facts, you can easily relate your thoughts and choices towards 5W30 engine oil because it is way better than 5W40 engine oil. Therefore, we recommend you to opt 5W30 viscosity engine oil for your modern-day engine and rock the world with power, protection, as well as, fuel economy.

Leave a Comment