Checked oil specs by engine

2005 Audi A4 oil capacity, type & filter

The 2005 Audi A4 oil capacity is 4.3 qt (1.8L 4-Cyl Turbo) and 4.8 qt (2.0L 4-Cyl Turbo) and 6.8 qt (3.0L V6) and 6.9 qt (3.2L V6). All engines use 5W-40 oil.

2005 Audi A4 oil specs by engine
Engine Capacity Oil Type Filter
1.8L 4-Cyl Turbo 4.3 qt 5W-40 AMSOIL EA15K01
2.0L 4-Cyl Turbo 4.8 qt 5W-40 AMSOIL EA15K05
3.0L V6 6.8 qt 5W-40 Purolator L25401
3.2L V6 6.9 qt 5W-40 Purolator L45598

Match one of 4 checked engine options before buying oil or a filter.

1.8L 4-Cyl Turbo
Capacity 4.3 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 5 qt total; listed capacity is 4.3 qt.
Oil type 5W-40 i Based on 2 checked sources: AMSOIL Lookup and Castrol (Olyslager). Additional cross-check is still pending: agreement across all checked oil-type sources. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters Options cross-checked
AMSOIL Shown first EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 AMSOIL EA15K04 Search EA15K04 Purolator L30257 Search L30257 ECOGARD X257 Search X257

AMSOIL EA15K01 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

2.0L 4-Cyl Turbo
Capacity 4.8 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 5 qt total; listed capacity is 4.8 qt.
Oil type 5W-40 i Based on 2 checked sources: AMSOIL Lookup and Castrol (Olyslager). Additional cross-check is still pending: agreement across all checked oil-type sources. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters Options cross-checked
AMSOIL Shown first EA15K05 Search EA15K05 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 Purolator L35581 Search L35581 CHAMP / LUBER-FINER P3986 Search P3986

AMSOIL EA15K05 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3.0L V6
Capacity 6.8 qt i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked capacity source and capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-40 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
Purolator Shown first L25401 Search L25401 PG5401 Search PG5401

Purolator L25401 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3.2L V6
Capacity 6.9 qt i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked capacity source and capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-40 i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked oil-type source. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters Options cross-checked
Purolator Shown first L45598 Search L45598 CHAMP / LUBER-FINER CF5598 Search CF5598

Purolator L45598 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

5 sources checked Last checked: 2026-06-24 How we verify →

Full synthetic options for 5W-40

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2005 Audi A4 oil specs: capacity conditions and filter notes

Which engine applies?

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.

Filter part numbers

All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2005 Audi A4

Capacity sources

Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).

Oil type sources

Supported by AMSOIL Lookup and Castrol (Olyslager).

Filter sources

Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.

Source coverage

5 checked source rows for the 2005 Audi A4.

Before ordering for this 2005 Audi A4

Checkout verification checklist
1.8L 4-Cyl Turbo Buy →
Capacity
4.3 qt
Oil type
5W-40
Interval
10,000 mi / 12 mo
Filter
AMSOIL EA15K01
2.0L 4-Cyl Turbo Buy →
Capacity
4.8 qt
Oil type
5W-40
Interval
10,000 mi / 12 mo
Filter
AMSOIL EA15K05
3.0L V6 Buy →
Capacity
6.8 qt
Oil type
5W-40
Interval
10,000 mi / 12 mo
Filter
Purolator L25401
3.2L V6 Buy →
Capacity
6.9 qt
Oil type
5W-40
Interval
10,000 mi / 12 mo
Filter
Purolator L45598

Source check: Last checked 2026-06-24 from AMSOIL Lookup, Pennzoil OATS, Purolator Part Finder, RockAuto, and Castrol (Olyslager).

Audi A4 oil specs by year

This table includes checked Audi A4 model years available in our database.

Year Capacity Oil type Filter
2024 5.5 qt (multiple engines) 5W-30 WIX 51032
2023 5.5 qt (multiple engines) 5W-30 WIX 51032
2022 5.5 qt (multiple engines) 5W-30 WIX PTL10396
2021 5.5 qt (multiple engines) 5W-30 WIX 51032
2020 5.5 qt 0W-20 WIX 51032
2019 5.5 qt 0W-30 PRO-TEC PXL10024
2018 5.5 qt 5W-40 WIX 51032
2017 5.5 qt 5W-40 WIX 51032
2016 5.5 qt 5W-40 AMSOIL EA15K01
2015 4.9 qt 5W-40 AMSOIL EA15K01
2014 4.9 qt 5W-40 AMSOIL 51831
2013 4.9 qt 5W-40 AMSOIL EA15K01
2012 4.9 qt 5W-40 AMSOIL EA15K01
2010 4.9 qt 5W-40 AMSOIL EA15K01
2009 4.8 qt (multiple engines) 5W-40 AMSOIL EA15K05
2005 Current page 4.3 qt (multiple engines) 5W-40 AMSOIL EA15K01

How we verified 2005 Audi A4 oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-24.

This page checked 5 sources for the 2005 Audi A4. 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 i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 1.8L 4-Cyl Turbo oil type, 2.0L 4-Cyl Turbo oil type, 3.0L V6 capacity, 3.2L V6 capacity, and 3.2L V6 oil type. Use the listed values as references and confirm the exact engine before ordering or adding oil. See how we verify. Learn how we verify fitment
Sources checked
5
Last checked
2026-06-24
Field-level source support
  • Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
  • Oil type: AMSOIL Lookup and Castrol (Olyslager)
  • Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
  • Change interval: AMSOIL Lookup and Castrol (Olyslager)
Source Supports Checked Link
AMSOIL Lookup Capacity, Oil type, Filter 2026-06-24 Visit brand site
Pennzoil OATS Capacity 2026-06-24 Visit brand site
Purolator Part Finder Filter 2026-06-24 Visit brand site
RockAuto Filter 2026-06-24 Checked source
Castrol (Olyslager) Oil type, Capacity 2026-06-24 Visit brand site

2005 Audi A4 maintenance checklist

One part checked. Look up the rest while you're here.

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.

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