What is synthetic oil?

[McRuby]

Full synthetic oil is a high-grade lubricant among motor oils, derived from ethylene and propylene dispersed from natural gas or crude oil gas, which undergo polymerization, catalysis, and other complex chemical reactions to form a lubricating fluid composed of large molecules. The functions of motor oil are: lubrication and anti-wear, auxiliary cooling, cleaning, sealing and leak prevention, rust and corrosion prevention, and shock absorption. Classification of motor oils: conventional mineral oil; semi-synthetic oil; full synthetic oil. The method for changing motor oil is: Lift the car, remove the underguard, and place a container of about 10 liters under the drain plug; Unscrew the drain plug, use an air gun to blow into the oil filler port for two minutes, then tighten the drain plug after draining and wipe with a tissue to check for leaks; Reinstall the underguard and lower the car, then use a funnel to align with the oil filler port to add new oil.

[LeEmerson]

Synthetic oil is essentially a high-grade automotive lubricant, chemically engineered rather than directly refined from crude oil like conventional mineral oils. It utilizes artificially created base oils blended with various additives to ensure stable engine performance across temperature extremes—resisting thinning at high heat or solidifying in cold conditions. I've observed numerous vehicles running smoother with reduced noise after switching to it, while also extending the oil change intervals to typically 8,000-15,000 kilometers, saving both hassle and money. Note that compatibility varies by vehicle—some older models may actually be unsuitable, as incorrect oil selection can cause seal issues, so always consult the owner's manual first. Overall, it significantly aids in protecting internal engine components and reducing wear, making it a smart choice for modern vehicle maintenance.

[LeJordan]

Switching to synthetic oil is like giving your car a health supplement! Essentially, it's an artificially engineered oil made through laboratory processes, with neatly arranged base oil molecules that offer better high-temperature resistance and oxidation prevention. When I used to drive in the city with conventional oil, I always felt idle vibrations, but after switching to synthetic oil, the car starts smoothly and fires up instantly in winter—no more long warm-up periods like before. It also gives me more peace of mind on long trips because it doesn’t degrade easily and can withstand prolonged high-speed operation. Although it’s pricier than mineral oil, the savings on maintenance costs make it worthwhile. For example, I visit the dealership one less time every two years, which also saves me time. Just remember not to skimp—buying counterfeit products can ruin your engine, so sourcing from reputable channels is crucial.

[VanJustin]

Synthetic oil is chemically processed lubricant with a base oil made from synthetic materials. From an economic perspective, it costs more upfront but saves money in the long run: oil change intervals extend beyond 7,500 kilometers, reducing maintenance frequency and labor costs. Since switching to it for our family SUV, we've had no more engine overheating issues, likely due to reduced internal wear, saving potential major repair expenses. It's particularly practical in urban traffic jams as it doesn't degrade under high temperatures, prolonging component lifespan. Choosing the right viscosity grade maximizes its advantages.