There isn’t a single oil that fits every Audi A4. The right oil depends on the engine and model year. Most A4s use synthetic motor oil that meets Volkswagen Group specifications, commonly VW 502.00/505.00 or the newer long-life standards VW 504.00/507.00, with viscosities typically in the range of 0W-40, 5W-40, or 5W-30.
Oil requirements explained
The Audi A4 has several engine families and generations, so the exact oil spec can vary. To keep the engine protected and maintain performance, you should verify the specification for your specific vehicle. Here is a quick reference to the key oil specification families you may encounter.
- Synthetic oil only — avoid conventional/mineral oils, which can reduce protection and service intervals.
- VW Group specifications you might see on oil bottles or in manuals include VW 502.00/505.00 and the newer long-life families VW 504.00/507.00.
- Common viscosity options are 0W-40, 5W-40, or 5W-30, depending on engine type, climate, and regional recommendations.
- Always confirm the exact grade and spec from the owner’s manual, the under-hood oil cap, or the service label in the engine bay.
- When in doubt, consult a certified dealer or mechanic who can verify the correct specification for your VIN.
In essence, the correct oil for an Audi A4 is engine-year specific and must meet the VW Group specifications listed in the manual or on the cap/label. Using an oil that matches the required spec protects the engine and helps maintain warranty coverage.
Where to verify the exact specification
To ensure you’re using the right oil, check these sources in order:
Gasoline engines (EA and EA888 families)
Look in the owner’s manual or on the oil cap for the recommended viscosity and VW specification (commonly 502.00 and/or 504.00/507.00 in newer models). Some engines may specify 0W-40 or 5W-40 synthetic lubricants that meet these specs.
Diesel engines (TDI)
Diesel variants often require oils that meet VW 507.00 and/or 504.00 specifications, with long-life viscosities such as 5W-40 or 5W-30 in many markets. Confirm against the VIN-specific documentation or dealer guidance.
Summary
In short, there isn’t a one-size-fits-all answer for the Audi A4. The right oil is determined by engine type and model year. Always use synthetic oil that meets VW Group specifications (such as 502.00/505.00 and the newer 504.00/507.00 families) and choose a viscosity recommended for your engine and climate (commonly 0W-40, 5W-40, or 5W-30). Verify with the owner’s manual, service label, or a qualified technician to ensure accuracy for your specific car.