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Checked oil specs by engine

2009 Audi S4 oil capacity, type & filter

Multiple engine options are listed for the 2009 Audi S4. Select your engine below before buying oil or a filter.

2009 Audi S4 oil specs by engine
Engine Capacity Oil Type Filter
4.2L 8-Cyl — 5W-40 Purolator L45579
3.0L Turbo 7.2 qt 0W-40 —

Match one of 2 checked engine options before buying oil or a filter.

4.2L 8-Cyl
Capacity Not confirmed Confirm the service-fill amount for this engine before adding oil.
Oil type 5W-40 i Based on 1 checked source: AMSOIL Lookup. 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 L45579 Search L45579 CHAMPION FILTER 55329T Search 55329T

Purolator L45579 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3.0L Turbo
Capacity 7.2 qt i Based on 1 checked source: CarAraC Engine Oil. 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 0W-40 i Based on 1 checked source: CarAraC Engine Oil. 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
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.

4 sources checked Last checked: 2026-06-26 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-40
Mobil 1 ESP Formula 5W-40 → Castrol Edge 5W-40 → Liqui Moly Top Tec 4200 5W-40 →

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

Full synthetic options for 0W-40
Mobil 1 0W-40 → Castrol Edge 0W-40 → Liqui Moly Leichtlauf 0W-40 →

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

2009 Audi S4 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.

Filter status

Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.

Verify before checkout

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

Source coverage for the 2009 Audi S4

Capacity sources

Supported by CarAraC Engine Oil.

Oil type sources

Supported by AMSOIL Lookup and CarAraC Engine Oil.

Filter sources

Supported by Purolator Part Finder and RockAuto.

Source coverage

4 checked source rows for the 2009 Audi S4.

Before ordering for this 2009 Audi S4

Checkout verification checklist
4.2L 8-Cyl Buy →
Capacity
Unverified
Oil type
5W-40
Filter
Purolator L45579
3.0L Turbo Buy →
Capacity
7.2 qt
Oil type
0W-40
Filter
Unverified

Source check: Last checked 2026-06-26 from AMSOIL Lookup, Purolator Part Finder, RockAuto, and CarAraC Engine Oil.

Audi S4 oil specs by year

This table includes checked Audi S4 model years available in our database.

Year Capacity Oil type Filter
2025 7.7 qt 0W-20 AMSOIL 51458348
2024 7.7 qt 0W-20 AMSOIL 51456072
2023 7.7 qt 0W-20 PO99500EX
2022 7.7 qt 0W-20 PO99500EX
2021 7.7 qt 0W-20 PO99500EX
2020 7.7 qt 0W-20 PO99500EX
2019 7.7 qt 0W-20 PO99500EX
2018 7.7 qt 0W-20 PO99500EX
2016 7.2 qt 5W-40 CHAMP / LUBER-FINER CF5598
2015 7.2 qt 5W-40 WIX 51032
2014 7.2 qt 5W-40 WIX 51032
2013 7.2 qt 5W-40 CHAMP / LUBER-FINER CF5598
2009 Current page Unverified (multiple engines) 5W-40 Purolator L45579
2008 9.5 qt 5W-40 CHAMPION FILTER 55329T
2007 9.5 qt 5W-40 CHAMPION FILTER 55329T
2006 9.5 qt 5W-40 CHAMPION FILTER 55329T
2005 9.5 qt 5W-40 CHAMPION FILTER 55329T

How we verified 2009 Audi S4 oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-26.

This page checked 4 sources for the 2009 Audi S4. 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: 4.2L 8-Cyl oil type, 3.0L Turbo capacity, and 3.0L Turbo 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
4
Last checked
2026-06-26
Field-level source support
  • Capacity: CarAraC Engine Oil
  • Oil type: AMSOIL Lookup and CarAraC Engine Oil
  • Filter: Purolator Part Finder and RockAuto
Source Supports Checked Link
AMSOIL Lookup Oil type 2026-06-26 Visit brand site
Purolator Part Finder Filter 2026-06-26 Visit brand site
RockAuto Filter 2026-06-26 Checked source
CarAraC Engine Oil Capacity, Oil type 2026-06-26 Checked source

2009 Audi S4 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.

Look up another vehicle

Find checked oil capacity, type, and filter data by exact year, make, and model.

Other 2009 Audi S4 lookups: Cabin air filter · Engine air filter