What is the recommended oil specification for Audi A3?

[MacCorey]

The "W" in oil specifications stands for WINTER. The number before "W" indicates the viscosity of the oil at low temperatures. A smaller number means better low-temperature fluidity of the oil, providing better protection for the engine during cold starts. The number after "W" represents the viscosity of the oil at 100 degrees Celsius. A higher number indicates higher viscosity, offering better protection for the engine 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 buffering. It helps reduce wear on engine components and extends 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 approximately 20,000 kilometers longer compared to using mineral oil.

[CarlosMarie]

As a long-time Audi A3 driver, I know choosing the right engine oil is crucial. It generally recommends 5W-40 full synthetic oil, especially the VW 502.00 certified one, which ensures high lubrication to protect the turbocharged engine. My car is a 2018 1.4TFSI model, and the manual clearly requires this viscosity and standard. Why use synthetic oil? It has better high-temperature resistance, especially reducing wear during long-distance driving or traffic jams. I've also found that changing the oil regularly every 8,000 kilometers, along with a new filter, keeps the engine quiet and fuel-efficient. Different model years or engines may vary, such as older models or diesel versions using the 507.00 standard, so always check the manual first. Remember not to skimp and buy off-brand oils; using Shell or Mobil brands is more reassuring. In short, good engine oil extends the car's lifespan, making it run smoothly and worry-free.

[Minnie]

From years of experience in car maintenance, let's talk about engine oil. The Audi A3 typically uses 5W-40 synthetic oil that meets VW certifications like 502.00. Why this recommendation? This engine has high precision, and synthetic oil offers better oxidation resistance to prevent carbon buildup. The 5W-40 viscosity provides a balance between cold-start protection and thermal efficiency. Always check the owner's manual or the sticker under the hood to confirm the exact specification. When changing oil, opt for ACEA A3/B4 standard oil, replacing it roughly every 10,000 km or once a year. I've seen many cases of engine noise or wear due to incorrect oil usage, so don't cut corners—buy genuine products from authorized shops to avoid risks. DIY oil changes are straightforward, but ensure the engine is cold when checking oil levels. Good oil keeps the A3 quick off the line and fuel-efficient.

[LeCharlie]

I've been driving an Audi A3 for almost two years now. The recommended engine oil is either 5W-40 or 5W-30 full synthetic, with VW 502.00 certification being the most convenient option. The manual lists detailed specifications, and you can also check by downloading the free App. Choosing engine oil is simple: use 5W for faster cold starts in winter, and 40 viscosity provides sufficient protection in hot weather. I've been using budget brand oil without issues, but always check for certification marks on the packaging. The oil change interval is every 8,000 kilometers - change it when the color darkens. Check the oil level yourself using the dipstick; don't delay if there's excessive contamination. Selecting the right oil helps the engine run efficiently and saves on repair costs.