2018 Audi A6 Oil Type & Capacity
The 2018 Audi A6 takes 5W-40 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-40 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Premium | Castrol EDGE Professional SAE 5W-40. VW 502 00 | 5.00 QTS. | — | Refer to Technical Bulletin 2010043 for engine oils meeting the required Audi oil quality standards. Part numbers are for reference only. Approximate capacity. |
| Premium Plus | Castrol EDGE Professional SAE 5W-40. VW 502 00 | 5.00 QTS. | — | Refer to Technical Bulletin 2010043 for engine oils meeting the required Audi oil quality standards. Part numbers are for reference only. Approximate capacity. |
| Sport | Castrol EDGE Professional SAE 5W-40. VW 502 00 | 5.00 QTS. | — | Refer to Technical Bulletin 2010043 for engine oils meeting the required Audi oil quality standards. Part numbers are for reference only. Approximate capacity. |
Buy the right oil
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More specs & repair guides for your A6
2018 Audi A6 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
10.5 quarts (9.93 L). Part No. G A13 A8J M1. Part numbers are for reference only. Approximate capacity.
Frequently asked questions
What type of oil does a 2018 Audi A6 take?
The 2018 Audi A6 takes 5W-40 motor oil (Castrol EDGE Professional SAE 5W-40. VW 502 00), per the factory service manual.
How much oil does a 2018 Audi A6 take?
The 2018 Audi A6 holds 5.0 quarts with a filter change.
Can I use synthetic oil in my 2018 Audi A6?
Yes. 5W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 Audi A6. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.