What is the oil specification for Civic?

[SanCarlos]

The "W" in oil specifications stands for WINTER. The number before "W" represents the viscosity of the oil at low temperatures. A smaller number indicates better low-temperature fluidity of the oil, which means better engine protection during cold starts. The number after "W" represents the viscosity of the oil at 100 degrees Celsius. A higher number indicates higher viscosity, which means better engine protection at high temperatures. The functions and classifications of engine oil are as follows: Functions of engine oil: Engine oil lubricates the engine, reduces friction, assists in cooling, and minimizes shock, thereby reducing wear on engine components and extending their service life. Classifications of engine oil: Engine oils in the market are divided into synthetic oils and mineral oils. The replacement interval for full synthetic oils is longer than that for semi-synthetic and mineral oils. If a car uses synthetic oil, the replacement interval can be extended by approximately 20,000 kilometers compared to using mineral oil.

[McEmmanuel]

When it comes to the engine oil type for the Honda Civic, I think this deserves a detailed discussion. As a long-time car enthusiast who has studied the manual, I can confirm that most Civic models recommend using 0W-20 synthetic oil, especially for recent models. This viscosity is particularly suitable for daily driving—it flows well during cold starts to protect engine components from wear and remains stable at high temperatures without sludge buildup. While Honda's genuine oil is reliable, other major brands like Mobil or Shell's 0W-20 are also excellent choices, as long as they carry API certification. The replacement interval typically ranges from 5,000 to 10,000 miles, depending on your driving conditions and habits. Personally, I check the oil level every six months using the dipstick to ensure it's neither overfilled nor underfilled. Using higher-viscosity oil like 5W-30 can slow engine response and cause long-term damage, so sticking to the recommended type ensures fuel efficiency and peace of mind. Regularly replacing the oil filter also helps extend the car's lifespan.

[VonLouis]

My Civic has been running for three years, and I've consistently used 0W-20 synthetic oil with great results. Initially, I didn't understand the specifications, but after checking the manual and finding this recommendation, I gave it a try. It performs reliably in all weather conditions—smooth starts in winter and no overheating during summer road trips. I've used both Honda genuine oil and Mobil brands without issues. I change it around every 7,000 kilometers, regularly checking the dipstick in my garage to ensure the oil level stays mid-to-low. To save money, I buy quality oil online for changes, avoiding cheap, low-quality products that can cause noise. In short, 0W-20 is the way to go—its lower viscosity saves fuel and benefits the engine. Just keep an eye on maintenance records to keep the car in good health.

[Charles]

As someone who frequently works with cars, the Civic must use 0W-20 oil. The low viscosity is beneficial for lubrication and protects internal engine components. Change the oil approximately every 5,000 miles, and regularly check the oil level to avoid idling. Using the wrong grade, such as 10W-30, can lead to carbon buildup that's difficult to clean.