What is the difference between 0w and 5w?

[OwenDella]

The difference between 0W and 5W is: 0W engine oil can normally start the engine at a minimum temperature of minus 35 degrees Celsius, while 5W engine oil can normally start the engine at a minimum temperature of minus 30 degrees Celsius. Here is some related knowledge about engine oil: 1. The meaning of W: W refers to all-season engine oil, and the number in front indicates the low-temperature fluidity of the oil, identified by the lowest applicable ambient temperature. 2. Applicability: For most regions in China, 5W is sufficient, and only some extremely cold areas should consider using 0W engine oil.

[VanOmar]

I'm just a car enthusiast who loves tinkering with my vehicle. Every year when winter approaches, I change the engine oil, and there's a big difference between 0W and 5W. 0W flows exceptionally well in cold weather—imagine turning the key at sub-zero temperatures and the car starts immediately, unlike 5W, which can get sluggish and leave you waiting. 0W provides better low-temperature protection, reducing engine wear, making it ideal for northern or extremely cold regions, though it's a bit pricier. I've used 5W in moderate climates, and it runs smoothly, handling summer hill climbs effortlessly. Choosing the right oil depends on climate and car model—some manuals recommend 5W for daily convenience, while switching to 0W might affect fuel efficiency. Ultimately, regular oil changes are key—don't underestimate these viscosity ratings, as they impact engine longevity and fuel economy. My advice? Stick to the manual and don't make random changes.

[AustinMarie]

Having driven for decades, from tractors to modern sedans, I've experienced it all. The difference between 0W and 5W mainly lies in fluidity. 0W starts quickly in winter without hassle, while 5W performs steadily at everyday temperatures with lower costs. I remember the embarrassment of not being able to start the car with conventional oil when I was young—now with 0W, it's much easier. They offer different engine protection: 0W has lower viscosity in cold weather, making it suitable for frigid regions, whereas 5W is more versatile. When changing oil, consider seasonal shifts—I use 5W in the south for convenience and better fuel efficiency on long trips. Don't forget to check oil quality and viscosity to match your car's needs; outdated or degraded oil can harm the engine. Regular maintenance is key—this bit of knowledge from my experience ensures safer and smoother driving.

[DeJulianna]

I've worked in an auto repair shop, let me explain 0W and 5W engine oils. Simply put, there's a big difference in fluidity: 0W is thinner at low temperatures for quicker starts, while 5W is slightly thicker and better for normal temperature operation. Lower numbers indicate better cold-weather performance, higher numbers are more cost-effective but harder to start in cold weather. On the job, I often see customers using the wrong oil causing engine noise - always check your vehicle manual for the correct specification. 0W causes less engine wear during cold starts, while switching to 5W in summer is fine. Don't overlook this detail - incorrect viscosity affects fuel efficiency and component lifespan.