Checked oil specs by engine
2015 Audi A6 Quattro oil capacity, type & filter
Multiple engine options are listed for the 2015 Audi A6 Quattro. Select your engine below before buying oil or a filter.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.0L 4-Cyl Turbo | 4.9 qt | 5W-40 | AMSOIL EA15K01 |
| 3.0L 6-Cyl Turbo Diesel | — | — | WIX 51032 |
Match one of 2 checked engine options before buying oil or a filter. Also check 2015 Audi A6 .
AMSOIL EA15K01 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
WIX 51032 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
2015 Audi A6 Quattro oil specs: capacity conditions and filter notes
Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.
All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2015 Audi A6 Quattro
Supported by AMSOIL Lookup.
Supported by Pennzoil OATS and AMSOIL Lookup.
Supported by Purolator Part Finder and AMSOIL Lookup.
3 checked source rows for the 2015 Audi A6 Quattro.
Before ordering for this 2015 Audi A6 Quattro
Audi A6 Quattro oil specs by year
This table includes checked Audi A6 Quattro model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 8 qt (multiple engines) | 0W-20 | AMSOIL 51458342 |
| 2023 | 8 qt (multiple engines) | 0W-20 | Purolator PL21507 |
| 2020 | 5.5 qt (multiple engines) | 0W-20 | WIX 51032 |
| 2019 | 8 qt (multiple engines) | 0W-20 | Purolator PL21507 |
| 2015 Current page | 4.9 qt (multiple engines) | 5W-40 | AMSOIL EA15K01 |
| 2014 | 4.9 qt (multiple engines) | 5W-40 | AMSOIL 51876 |
| 2013 | 4.9 qt (multiple engines) | 5W-40 | AMSOIL EA15K01 |
| 2012 | 7.2 qt | 5W-40 | WIX 51032 |
| 2011 | 6.9 qt (multiple engines) | 5W-40 | WIX 51032 |
| 2010 | 6.9 qt (multiple engines) | 5W-40 | WIX 51032 |
| 2009 | 6.9 qt (multiple engines) | 5W-40 | WIX 51032 |
| 2008 | 6.9 qt (multiple engines) | 5W-40 | WIX 51032 |
| 2007 | 6.9 qt (multiple engines) | 5W-40 | WIX 51032 |
How we verified 2015 Audi A6 Quattro oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-23.
This page checked 3 sources for the 2015 Audi A6 Quattro. The table lists which checked source contributed capacity, oil type, or filter evidence.
We checked leading oil brands and aftermarket filter catalogs so you don't have to.
- Confidence
- Cross-check pending
- Sources checked
- 3
- Last checked
- 2026-06-23
- Capacity: AMSOIL Lookup
- Oil type: Pennzoil OATS and AMSOIL Lookup
- Filter: Purolator Part Finder and AMSOIL Lookup
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-23 | Visit brand site |
| Pennzoil OATS | Oil type | 2026-06-23 | Visit brand site |
| Purolator Part Finder | Filter | 2026-06-23 | Visit brand site |
2015 Audi A6 Quattro oil FAQ
Which engine configuration applies to my vehicle?
Use the door jamb sticker, owner's manual, or engine cover badge to identify your engine, then match it to the engine options listed above.
Is the oil capacity measured with or without the filter?
Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
Why should I confirm before buying?
Retailer catalogs can update separately. Confirm the exact 2015 Audi A6 Quattro selector at checkout before you buy.
Do I also need to match the OEM oil approval?
Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.
How often should I change the oil on a 2015 Audi A6 Quattro?
Use the oil-life monitor or the interval in your owner's manual for this engine. Severe service can require a shorter interval.
Do I need a new drain plug gasket?
Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.
2015 Audi A6 Quattro maintenance checklist
One part checked. Look up the rest while you're here.
- Wiper blade size 2015 Audi A6 Quattro driver & passenger blade sizes
- Oil type & capacity 5W-40 · 4.9 qt Checked
Where to buy
These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2015 Audi A6 Quattro. Confirm capacity, viscosity, and filter part number before checkout.
Search 2015 Audi A6 Quattro oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2015 Audi A6 Quattro before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2015 Audi A6 Quattro oil & filter →Amazon
Search Amazon listings for the 2015 Audi A6 Quattro and check listing fitment notes against the specs above.
Search 2015 Audi A6 Quattro oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2015 Audi A6 Quattro and verify oil capacity, viscosity, and filter part number before ordering.
Search 2015 Audi A6 Quattro oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.