Does the Audi A6 2.0T Burn Engine Oil?
2 Answers
Audi A6 2.0T does not burn engine oil. Poor oil quality: Using low-quality or viscosity-grade non-compliant engine oil. Low-quality engine oil can accelerate wear. Additionally, oil viscosity that is either too low or too high can cause poor engine lubrication, increasing wear on piston rings and cylinder walls, reducing sealing performance, and leading to oil burning. Poor piston ring sealing: Excessive clearance between piston rings and cylinder walls, improper installation of piston rings, or degraded sealing can allow oil on the cylinder walls to enter the combustion chamber, causing oil burning. Turbocharger oil leakage: The turbocharger is installed at the front of the exhaust pipe and operates at very high temperatures. The turbine and pump wheel can reach speeds of 10,000 to 20,000 RPM during full engine load. Oil leakage from the pipes or bearings can allow engine oil to seep into the exhaust pipe from the turbocharger.
I drove a pre-2015 Audi A6 2.0T for over three years and indeed noticed it burned oil. The oil level would often drop every two to three thousand kilometers, requiring me to top it up regularly. Later, I switched to a 2020 model, which had significant improvements in engine design, and the oil consumption issue became much milder. If you're planning to buy a used one, I'd recommend avoiding older models from the 2010s and opting for more recent versions, while also developing the habit of checking the oil level monthly. The engine tends to consume more oil during prolonged idling or under high load, so properly warming up the car can help mitigate the issue. Regular professional maintenance can also make a big difference.