Checked oil specs by engine
2012 Mazda 6 oil capacity, type & filter
The 2012 Mazda 6 takes 5.3 qt of 0W-20 (2.5L 4-Cyl) and 5.5 qt of 5W-20 (3.7L V6). Select your engine below before buying.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.5L 4-Cyl | 5.3 qt | 0W-20 | AMSOIL EA15K51 |
| 3.7L V6 | 5.5 qt | 5W-20 | WIX 51516 |
Match one of 2 checked engine options before buying oil or a filter.
AMSOIL EA15K51 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
WIX 51516 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.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
2012 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 2012 Mazda 6
Supported by Pennzoil OATS and AMSOIL Lookup.
Supported by Pennzoil OATS and AMSOIL Lookup.
Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.
4 checked source rows for the 2012 Mazda 6.
Before ordering for this 2012 Mazda 6
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 Current page | 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 | 4.5 qt (multiple engines) | 5W-20 | WIX 51032 |
How we verified 2012 Mazda 6 oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-24.
This page checked 4 sources for the 2012 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
- 4
- Last checked
- 2026-06-24
- Capacity: Pennzoil OATS and AMSOIL Lookup
- Oil type: Pennzoil OATS and AMSOIL Lookup
- Filter: RockAuto, Purolator Part Finder, 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 |
| RockAuto | Filter | 2026-06-24 | Checked source |
| Purolator Part Finder | Filter | 2026-06-24 | Visit brand site |
2012 Mazda 6 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2012 Mazda 6 cabin filter part numbers
- Engine air filter 2012 Mazda 6 engine filter part numbers
- Wiper blade size 2012 Mazda 6 driver & passenger blade sizes
- Oil type & capacity 0W-20 · 5.3 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 2012 Mazda 6. Confirm capacity, viscosity, and filter part number before checkout.
Search 2012 Mazda 6 oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2012 Mazda 6 before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2012 Mazda 6 oil & filter →Amazon
Search Amazon listings for the 2012 Mazda 6 and check listing fitment notes against the specs above.
Search 2012 Mazda 6 oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2012 Mazda 6 and verify oil capacity, viscosity, and filter part number before ordering.
Search 2012 Mazda 6 oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.