Checked oil specs by engine
2006 Porsche Cayman oil capacity, type & filter
The 2006 Porsche Cayman takes 8.2 qt of 0W-40 oil.
Applies to checked engine: 3.4L 6-Cyl.
ECOGARD X5316 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
2006 Porsche Cayman oil specs: capacity conditions and filter notes
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 2006 Porsche Cayman
Supported by AMSOIL Lookup and Pennzoil OATS.
Supported by AMSOIL Lookup.
Supported by RockAuto, Purolator Part Finder, and K&N Filters.
5 checked source rows for the 2006 Porsche Cayman.
Before ordering for this 2006 Porsche Cayman
- Capacity
- 8.2 qt
- Oil type
- 0W-40
- Filter
- ECOGARD X5316
Source check: Last checked 2026-06-25 from AMSOIL Lookup, K&N Filters, Pennzoil OATS, RockAuto, and Purolator Part Finder.
Porsche Cayman oil specs by year
This table includes checked Porsche Cayman model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2019 | 6 qt (multiple engines) | Unverified | Purolator PL21446 |
| 2018 | 6 qt (multiple engines) | 0W-40 | Purolator PL21446 |
| 2017 | 6 qt (multiple engines) | 0W-40 | Purolator PL21446 |
| 2016 | 7.9 qt (multiple engines) | 0W-40 | PG99090EX |
| 2015 | 7.9 qt (multiple engines) | 0W-40 | PG99090EX |
| 2014 | 7.9 qt (multiple engines) | 0W-40 | PG99090EX |
| 2012 | 7.9 qt (multiple engines) | 0W-40 | PG99090EX |
| 2011 | 7.9 qt (multiple engines) | 0W-40 | PG99090EX |
| 2010 | 7.9 qt (multiple engines) | 0W-40 | PG99090EX |
| 2009 | 7.9 qt (multiple engines) | 0W-40 | ECOGARD X5316 |
| 2008 | 8.1 qt (multiple engines) | 0W-40 | ECOGARD X5316 |
| 2007 | 8.2 qt (multiple engines) | 0W-40 | Purolator L25316 |
| 2006 Current page | 8.2 qt | 0W-40 | ECOGARD X5316 |
How we verified 2006 Porsche Cayman oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-25.
This page checked 5 sources for the 2006 Porsche Cayman. 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
- 5
- Last checked
- 2026-06-25
- Capacity: AMSOIL Lookup and Pennzoil OATS
- Oil type: AMSOIL Lookup
- Filter: RockAuto, Purolator Part Finder, and K&N Filters
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type | 2026-06-25 | Visit brand site |
| K&N Filters | Filter | 2026-06-25 | Visit brand site |
| Pennzoil OATS | Capacity | 2026-06-25 | Visit brand site |
| RockAuto | Filter | 2026-06-25 | Checked source |
| Purolator Part Finder | Filter | 2026-06-25 | Visit brand site |
2006 Porsche Cayman oil FAQ
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 2006 Porsche Cayman 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 2006 Porsche Cayman?
Use the oil-life monitor or the interval in your owner's manual for this engine. Severe service can 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.
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 2006 Porsche Cayman. Confirm capacity, viscosity, and filter part number before checkout.
Search 2006 Porsche Cayman oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2006 Porsche Cayman before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2006 Porsche Cayman oil & filter →Amazon
Search Amazon listings for the 2006 Porsche Cayman and check listing fitment notes against the specs above.
Search 2006 Porsche Cayman oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2006 Porsche Cayman and verify oil capacity, viscosity, and filter part number before ordering.
Search 2006 Porsche Cayman oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.