Comparison between Ford Escort 5w40 and 5w30?
2 Answers
Comparison between Ford Escort 5w40 and 5w30: Engine Oil: These two types of engine oil have the same low-temperature fluidity, but differ in high-temperature performance. 5w40 offers better high-temperature protection and sealing performance. However, due to the increased viscosity, it results in greater engine running resistance and higher fuel consumption. The Ford Escort uses Ford's semi-synthetic oil, but owners can also opt for full synthetic oil, with the oil grade being 5w30. Applicability: In terms of applicability, the original factory oil is more suitable for the engine. However, depending on different needs, engine oils can have other benefits such as noise reduction, fuel efficiency, and performance enhancement. Therefore, brands like Mobil, Shell, and Castrol can also be considered.
As a long-term owner of a Ford Escort for ten years, I have personally experienced the differences between these two engine oils. The 5W30 has better fluidity, making winter starts smoother and offering lower fuel consumption, which saves some money on gas on average. However, it struggles a bit under high loads in summer, with slightly louder engine noise. In contrast, the 5W40 has higher viscosity, providing better engine protection in hot weather or during long-distance highway driving, with quieter operation but higher fuel consumption. I switch them seasonally: 30 in winter and 40 in summer. I recommend fellow owners refer to the manual—Ford typically recommends 5W20 or 5W30 standards. Additionally, considering local climate is crucial—30 is suitable for northern cold temperatures, while 40 works better for southern heat and humidity. Don’t forget to check the oil level regularly to prevent wear.
