Checked oil specs by engine
2018 Audi A3 oil capacity, type & filter
Multiple engine options are listed for the 2018 Audi A3. Select your engine below before buying oil or a filter.
Match one of 2 checked engine options before buying oil or a filter. Also check 2018 Audi A3 Sportback e tron .
WIX 51032 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
PG241 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
2018 Audi A3 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 2018 Audi A3
Supported by AMSOIL Lookup, Pennzoil OATS, and Castrol (Olyslager).
Supported by AMSOIL Lookup, Pennzoil OATS, and Castrol (Olyslager).
Supported by AMSOIL Lookup, RockAuto, and Purolator Part Finder.
5 checked source rows for the 2018 Audi A3.
Before ordering for this 2018 Audi A3
- Capacity
- 6 qt
- Oil type
- Unverified
- Filter
- WIX 51032
- Capacity
- 4.2 qt
- Oil type
- 5W-40
- Filter
- PG241
Source check: Last checked 2026-06-24 from AMSOIL Lookup, Pennzoil OATS, RockAuto, Purolator Part Finder, and Castrol (Olyslager).
Audi A3 oil specs by year
This table includes checked Audi A3 model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2024 | 6 qt | 0W-20 | WIX 51032 |
| 2023 | 6 qt | 0W-20 | WIX 51032 |
| 2022 | 6 qt | 0W-20 | WIX 51032 |
| 2020 | 6 qt | 0W-20 | WIX 51032 |
| 2019 | 6 qt | 0W-20 | WIX 51032 |
| 2018 Current page | 6 qt (multiple engines) | 0W-20 | WIX 51032 |
| 2017 | 6 qt (multiple engines) | 0W-20 | WIX 51032 |
| 2016 | 5.5 qt (multiple engines) | 5W-40 | WIX 51032 |
| 2015 | 4.9 qt (multiple engines) | 5W-40 | Purolator PL21478 |
| 2013 | 4.9 qt | 5W-40 | AMSOIL EA15K06 |
| 2012 | 4.9 qt | 5W-40 | AMSOIL EA15K06 |
| 2010 | 4.9 qt | 5W-40 | WIX 51032 |
| 2009 | 4.9 qt (multiple engines) | 5W-40 | AMSOIL EA15K01 |
| 2008 | 4.9 qt (multiple engines) | 5W-40 | AMSOIL EA15K05 |
| 2007 | 4.9 qt (multiple engines) | 5W-40 | AMSOIL EA15K05 |
| 2006 | 4.8 qt (multiple engines) | 5W-40 | AMSOIL EA15K05 |
How we verified 2018 Audi A3 oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-24.
This page checked 5 sources for the 2018 Audi A3. 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
- Verified fit
- Sources checked
- 5
- Last checked
- 2026-06-24
- Capacity: AMSOIL Lookup, Pennzoil OATS, and Castrol (Olyslager)
- Oil type: AMSOIL Lookup, Pennzoil OATS, and Castrol (Olyslager)
- Filter: AMSOIL Lookup, RockAuto, and Purolator Part Finder
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-24 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-24 | Visit brand site |
| RockAuto | Filter | 2026-06-24 | Checked source |
| Purolator Part Finder | Filter | 2026-06-24 | Visit brand site |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-24 | Visit brand site |
Where to buy
These are retailer search paths for your vehicle's oil and filter specs. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2018 Audi A3. Confirm capacity, viscosity, and filter part number before checkout.
Search 2018 Audi A3 oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2018 Audi A3 before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2018 Audi A3 oil & filter →Amazon
Search Amazon listings for the 2018 Audi A3 and check listing fitment notes against the specs above.
Search 2018 Audi A3 oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2018 Audi A3 and verify oil capacity, viscosity, and filter part number before ordering.
Search 2018 Audi A3 oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.