Checked oil specs by engine
2008 Audi A8 oil capacity, type & filter
Multiple engine options are listed for the 2008 Audi A8. Select your engine below before buying oil or a filter.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 4.2L V8 | 9 qt | — | Purolator L35843 |
| 6.0L | 13.2 qt | 5W-40 | Purolator L35890 |
Match one of 2 checked engine options before buying oil or a filter.
Purolator L35843 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
Purolator L35890 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.
2008 Audi A8 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 2008 Audi A8
Supported by Pennzoil OATS and Castrol (Olyslager).
Supported by Pennzoil OATS and Castrol (Olyslager).
Supported by Purolator Part Finder and RockAuto.
4 checked source rows for the 2008 Audi A8.
Before ordering for this 2008 Audi A8
- Capacity
- 9 qt
- Oil type
- Unverified
- Interval
- 10,000 mi / 12 mo
- Filter
- Purolator L35843
- Capacity
- 13.2 qt
- Oil type
- 5W-40
- Interval
- 10,000 mi / 12 mo
- Filter
- Purolator L35890
Source check: Last checked 2026-06-24 from Pennzoil OATS, Purolator Part Finder, RockAuto, and Castrol (Olyslager).
Audi A8 oil specs by year
This table includes checked Audi A8 model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2010 | 9 qt (multiple engines) | 5W-40 | PRO-TEC PXL57330 |
| 2009 | 9 qt (multiple engines) | 5W-40 | PRO-TEC PXL57330 |
| 2008 Current page | 9 qt (multiple engines) | 5W-30 | Purolator L35843 |
| 2007 | 9 qt (multiple engines) | 5W-40 | PRO-TEC PXL57330 |
| 2006 | 7.9 qt (multiple engines) | 5W-40 | CHAMPION FILTER 55329T |
| 2005 | 7.9 qt (multiple engines) | 5W-40 | CHAMPION FILTER 55329T |
How we verified 2008 Audi A8 oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-24.
This page checked 4 sources for the 2008 Audi A8. 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
- 4
- Last checked
- 2026-06-24
- Capacity: Pennzoil OATS and Castrol (Olyslager)
- Oil type: Pennzoil OATS and Castrol (Olyslager)
- Filter: Purolator Part Finder and RockAuto
- Change interval: Pennzoil OATS and Castrol (Olyslager)
| Source | Supports | Checked | Link |
|---|---|---|---|
| Pennzoil OATS | Capacity, Oil type | 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) | Capacity, Oil type | 2026-06-24 | Visit brand site |
2008 Audi A8 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 2008 Audi A8 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 2008 Audi A8?
Change intervals vary by engine option for this vehicle. Always follow your owner's manual and oil-life monitor. Severe service may 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.
2008 Audi A8 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2008 Audi A8 cabin filter part numbers
- Engine air filter 2008 Audi A8 engine filter part numbers
- Oil type & capacity Oil specs checked 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 2008 Audi A8. Confirm capacity, viscosity, and filter part number before checkout.
Search 2008 Audi A8 oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2008 Audi A8 before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2008 Audi A8 oil & filter →Amazon
Search Amazon listings for the 2008 Audi A8 and check listing fitment notes against the specs above.
Search 2008 Audi A8 oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2008 Audi A8 and verify oil capacity, viscosity, and filter part number before ordering.
Search 2008 Audi A8 oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.