Checked oil specs by engine

2008 Audi S4 oil capacity, type & filter

The 2008 Audi S4 takes 9.5 qt of 5W-40 oil.

Applies to checked engine: 4.2L 8-Cyl.

Capacity 9.5 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 10 qt total; listed capacity is 9.5 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
CHAMPION FILTER Shown first 55329T Search 55329T Purolator L45579 Search L45579

CHAMPION FILTER 55329T 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.

2008 Audi S4 oil specs: capacity conditions and filter notes

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 2008 Audi S4

Capacity sources

Supported by Pennzoil OATS and Castrol (Olyslager).

Oil type sources

Supported by AMSOIL Lookup and Castrol (Olyslager).

Filter sources

Supported by Purolator Part Finder and RockAuto.

Source coverage

5 checked source rows for the 2008 Audi S4.

Before ordering for this 2008 Audi S4

Checkout verification checklist
4.2L 8-Cyl Buy →
Capacity
9.5 qt
Oil type
5W-40
Interval
10,000 mi / 12 mo
Filter
CHAMPION FILTER 55329T

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

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 Unverified (multiple engines) 5W-40 Purolator L45579
2008 Current page 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 2008 Audi S4 oil data

How we verify fitment

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

This page checked 5 sources for the 2008 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. 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 and Castrol (Olyslager)
  • Oil type: AMSOIL Lookup and Castrol (Olyslager)
  • Filter: Purolator Part Finder and RockAuto
  • Change interval: AMSOIL Lookup and Castrol (Olyslager)
Source Supports Checked Link
AMSOIL Lookup Oil type 2026-06-24 Visit brand site
Pennzoil OATS Capacity 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

2008 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.

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