Which engine oil should be chosen for Audi A3?

[VonMakayla]

Audi A3 should choose fully synthetic engine oil. Engine oil, also known as engine lubricant, can lubricate and reduce wear on the engine, assist in cooling, seal and prevent leaks, prevent rust and corrosion, and provide shock absorption. The Audi A3 is a compact car. Taking the 2021 Audi A3 as an example, its body dimensions are: length 4351mm, width 1815mm, height 1458mm, with a wheelbase of 2630mm and a fuel tank capacity of 51 liters. The 2021 Audi A3 is equipped with a 1.4T turbocharged engine, with a maximum power of 110kW and a maximum torque of 250Nm, matched with a 7-speed dual-clutch transmission.

[DelLydia]

As a veteran Audi driver with 10 years of experience, I recommend A3 owners to pay special attention to the VW502 00 or VW504 00 certification on the engine oil packaging. German car engines have high precision and must use oil that meets the manufacturer's standards. For daily driving, 5W-40 full synthetic oil is the safest choice with good high-temperature protection. For aggressive driving or frequent highway driving in summer, 0W-40 offers better shear resistance. Special reminder for new models with particulate filters: you must use C3 standard low-ash oil, otherwise clogging the particulate filter could result in repair costs exceeding tens of thousands. During maintenance, ask the mechanic to fill the oil to just above the midpoint on the dipstick – don't overfill as it affects performance.

[MacValeria]

A few details for those who have done engine oil purchasing: 1. New A3 models produced after 2021 require 0W-20 oil with 508 certification. 2. Older China-6 models with particulate filters must use C3 grade oil. 3. Owners with frequent engine start-stop should prioritize molybdenum-containing formulas to reduce cold-start wear. 4. Keep the filling volume around 4.6 liters; overfilling will cause a sharp increase in fuel consumption. 5. When changing oil, remove the undercover and check the half-shaft oil seal, as oil leakage here is a common issue with Audis. 6. Engine oil stored for over six months will oxidize and deteriorate.