What type of engine oil is used for the Audi Q5L?
3 Answers
Audi Q5L uses fully synthetic engine oil, which features good stability and durability. Functions of fully synthetic engine oil: Fully synthetic engine oil has low evaporation loss, which can reduce fuel consumption, decrease exhaust emissions, and extend the service life of the catalytic converter. It also has strong high-temperature oxidation resistance, providing appropriate lubrication and effective protection for the engine under various harsh operating conditions, thus offering a longer service life and reducing dry wear during engine startup. Precautions for changing engine oil: Fully synthetic engine oil should be replaced every 8,000-10,000 kilometers, semi-synthetic every 5,000-8,000 kilometers, and mineral oil around every 5,000 kilometers. It is necessary to change the engine oil regularly, avoid mixing different types of engine oil, purchase high-quality fully synthetic engine oil, clean the engine filter element periodically, and replace the oil filter.
I've been driving an Audi Q5L for five years and always use 5W-40 full synthetic oil that meets VW 502/505 specifications. Since I frequently drive long distances, the car starts quickly on cold winter mornings without any difficulty, and the engine doesn't feel sluggish even during hot summer days. I use premium brands like Shell or Mobil—though more expensive, they provide long-term peace of mind, keeping the engine running smoothly with minimal carbon buildup. The maintenance manual is a crucial source of information, specifying the required viscosity and brand recommendations. I change the oil every six to eight months or 10,000 kilometers and have learned to check the oil level myself, ensuring it stays within the safe mid-range on the dipstick. Never skimp by trying mineral oils or off-brand products—the money saved isn't worth the potential repair costs and shortened engine lifespan.
When servicing customers' Audi vehicles, I always emphasize checking the manual for the Q5L section regarding oil selection. Typically, I recommend 5W-40 or 0W-40 fully synthetic oil with VW 502/505 certification, which provides excellent engine protection and stable performance during both cold and hot starts. The number before the 'W' indicates low-temperature performance, while the number after represents high-temperature performance—higher values offer stronger protection, suitable for aggressive driving or regional differences (e.g., 0W for colder northern climates). Always use genuine oil to avoid counterfeit products damaging internal components. Check the oil's color and clarity at every change—replace immediately if it turns black. The replacement interval should be between 5,000 to 8,000 km, depending on driving conditions. Saving money isn’t worth the risk; spending more on quality oil is a wise investment.