Checked oil specs by engine
2005 Mazda 6 oil capacity, type & filter
Multiple engine options are listed for the 2005 Mazda 6. Select your engine below before buying oil or a filter.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.3L 4-Cyl | 4.5 qt | 5W-20 | WIX 51032 |
| 3.0L V6 | — | 5W-20 | WIX 51372 |
Match one of 2 checked engine options before buying oil or a filter.
WIX 51032 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
WIX 51372 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.
2005 Mazda 6 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 2005 Mazda 6
Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).
Supported by Pennzoil OATS and AMSOIL Lookup.
Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.
5 checked source rows for the 2005 Mazda 6.
Before ordering for this 2005 Mazda 6
- Capacity
- 4.5 qt
- Oil type
- 5W-20
- Interval
- 7,500 mi / 6 mo
- Filter
- WIX 51032
- Capacity
- Unverified
- Oil type
- 5W-20
- Interval
- 7,500 mi / 6 mo
- Filter
- WIX 51372
Source check: Last checked 2026-06-24 from AMSOIL Lookup, Pennzoil OATS, Purolator Part Finder, RockAuto, and Castrol (Olyslager).
Mazda 6 oil specs by year
This table includes checked Mazda 6 model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2021 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K12 |
| 2020 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K12 |
| 2019 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K12 |
| 2018 | 4.8 qt | 0W-20 | AMSOIL EA15K12 |
| 2017 | 4.8 qt | 0W-20 | AMSOIL EA15K12 |
| 2016 | 4.8 qt | 0W-20 | AMSOIL EA15K12 |
| 2015 | 4.8 qt | 0W-20 | CHAMP / LUBER-FINER PH2876 |
| 2014 | 4.8 qt | 0W-20 | AMSOIL EA15K12 |
| 2013 | 5.3 qt (multiple engines) | 0W-20 | AMSOIL EA15K51 |
| 2012 | 5.3 qt (multiple engines) | 0W-20 | AMSOIL EA15K51 |
| 2011 | 5.3 qt (multiple engines) | 0W-20 | WIX 51348 |
| 2010 | 5.3 qt (multiple engines) | 5W-20 | WIX 51348 |
| 2009 | 5.3 qt (multiple engines) | 0W-20 | WIX 51348 |
| 2008 | 4.5 qt (multiple engines) | 5W-30 | WIX 51032 |
| 2007 | 4.5 qt (multiple engines) | 5W-20 | WIX 51032 |
| 2006 | 4.5 qt (multiple engines) | 5W-20 | WIX 51032 |
| 2005 Current page | 4.5 qt (multiple engines) | 5W-20 | WIX 51032 |
How we verified 2005 Mazda 6 oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-24.
This page checked 5 sources for the 2005 Mazda 6. 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
- Verified fit
- Sources checked
- 5
- Last checked
- 2026-06-24
- Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
- Oil type: Pennzoil OATS and AMSOIL Lookup
- Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
- Change interval: Pennzoil OATS and AMSOIL Lookup
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-24 | Visit brand site |
| 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 | 2026-06-24 | Visit brand site |
2005 Mazda 6 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2005 Mazda 6 cabin filter part numbers
- Engine air filter 2005 Mazda 6 engine filter part numbers
- Oil type & capacity 5W-20 · 4.5 qt Checked
Where to buy
These are retailer search paths for your vehicle's oil and filter specs. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2005 Mazda 6. Confirm capacity, viscosity, and filter part number before checkout.
Search 2005 Mazda 6 oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2005 Mazda 6 before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2005 Mazda 6 oil & filter →Amazon
Search Amazon listings for the 2005 Mazda 6 and check listing fitment notes against the specs above.
Search 2005 Mazda 6 oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2005 Mazda 6 and verify oil capacity, viscosity, and filter part number before ordering.
Search 2005 Mazda 6 oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.