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Checked oil specs by engine

2008 Mazda 6 oil capacity, type & filter

Multiple engine options are listed for the 2008 Mazda 6. Select your engine below before buying oil or a filter.

2008 Mazda 6 oil specs by engine
Engine Capacity Oil Type Filter
2.3L 4-Cyl 4.5 qt — WIX 51032
3.0L V6 6 qt 5W-20 WIX 51372
2.5L 5.3 qt 0W-20 —
3.7L 5.5 qt — —
1.8L 4.5 qt 5W-30 —
2.0L 4.5 qt — —
2.2L 5 qt 5W-30 —

Match one of 7 checked engine options before buying oil or a filter.

2.3L 4-Cyl
Capacity 4.5 qt i Based on 4 checked sources: AMSOIL Lookup, Pennzoil OATS, CarAraC Engine Oil, and Castrol (Olyslager). Additional cross-check is still pending: capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type Not confirmed Confirm the viscosity grade for this engine before checkout.
Oil Filters Options cross-checked
WIX Shown first 51032 Search 51032 WIX 51036 Search 51036 WIX 51040 Search 51040 WIX 51042 Search 51042 FRAM TG9641 Search TG9641 Purolator L15505 Search L15505

WIX 51032 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3.0L V6
Capacity 6 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 6 qt total; listed capacity is 6 qt.
Oil type 5W-20 i Based on 2 checked sources: AMSOIL Lookup and Pennzoil OATS. 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
WIX Shown first 51372 Search 51372 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 R84203 Search R84203 Purolator L24651 Search L24651

WIX 51372 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

2.5L
Capacity 5.3 qt Verified fit Buy at least 6 qt total; listed capacity is 5.3 qt (Service fill).
Oil type 0W-20 i Based on 2 checked sources: CarAraC Engine Oil and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. 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
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
3.7L
Capacity 5.5 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 6 qt total; listed capacity is 5.5 qt.
Oil type Not confirmed Confirm the viscosity grade for this engine before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
1.8L
Capacity 4.5 qt i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked capacity source. Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-30 i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked oil-type source. 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
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
2.0L
Capacity 4.5 qt i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked capacity source. Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type Not confirmed Confirm the viscosity grade for this engine before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
2.2L
Capacity 5 qt i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked capacity source. Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-30 i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked oil-type source. 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
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.

6 sources checked Last checked: 2026-06-26 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-20
Mobil 1 Extended Performance 5W-20 → Castrol GTX Magnatec 5W-20 → Pennzoil Platinum 5W-20 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

Full synthetic options for 0W-20
Mobil 1 Extended Performance 0W-20 → Castrol Edge 0W-20 → Pennzoil Platinum 0W-20 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

Full synthetic options for 5W-30
Mobil 1 Extended Performance 5W-30 → Castrol Edge 5W-30 → Pennzoil Platinum 5W-30 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2008 Mazda 6 oil specs: capacity conditions and filter notes

Which engine applies?

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.

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.

Capacity condition

With filter means the volume includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.

Filter status

Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.

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 Mazda 6

Capacity sources

Supported by Pennzoil OATS, Castrol (Olyslager), AMSOIL Lookup, and CarAraC Engine Oil.

Oil type sources

Supported by Pennzoil OATS, Castrol (Olyslager), AMSOIL Lookup, and CarAraC Engine Oil.

Filter sources

Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.

Source coverage

6 checked source rows for the 2008 Mazda 6.

Before ordering for this 2008 Mazda 6

Checkout verification checklist
2.3L 4-Cyl Buy →
Capacity
4.5 qt
Oil type
Unverified
Interval
7,500 mi / 6 mo
Filter
WIX 51032
3.0L V6 Buy →
Capacity
6 qt
Oil type
5W-20
Interval
7,500 mi / 6 mo
Filter
WIX 51372
2.5L Buy →
Capacity
5.3 qt (Service fill)
Oil type
0W-20
Interval
7,500 mi / 6 mo
Filter
Unverified
3.7L Buy →
Capacity
5.5 qt
Oil type
Unverified
Interval
7,500 mi / 6 mo
Filter
Unverified
1.8L Buy →
Capacity
4.5 qt (Service fill)
Oil type
5W-30
Filter
Unverified
2.0L Buy →
Capacity
4.5 qt (Service fill)
Oil type
Unverified
Filter
Unverified
2.2L Buy →
Capacity
5 qt (Service fill)
Oil type
5W-30
Filter
Unverified

Source check: Last checked 2026-06-26 from AMSOIL Lookup, Pennzoil OATS, RockAuto, Purolator Part Finder, CarAraC Engine Oil, 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 Current page 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 2008 Mazda 6 oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-26.

This page checked 6 sources for the 2008 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
Cross-check pending i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 2.3L 4-Cyl capacity, 3.0L V6 oil type, 2.5L oil type, 1.8L capacity, 1.8L oil type, 2.0L capacity, 2.2L capacity, and 2.2L 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
6
Last checked
2026-06-26
Field-level source support
  • Capacity: Pennzoil OATS, Castrol (Olyslager), AMSOIL Lookup, and CarAraC Engine Oil
  • Oil type: Pennzoil OATS, Castrol (Olyslager), AMSOIL Lookup, and CarAraC Engine Oil
  • Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
  • Change interval: Pennzoil OATS, Castrol (Olyslager), AMSOIL Lookup, and CarAraC Engine Oil
Source Supports Checked Link
AMSOIL Lookup Capacity, Filter, Oil type 2026-06-26 Visit brand site
Pennzoil OATS Capacity, Oil type 2026-06-26 Visit brand site
RockAuto Filter 2026-06-26 Checked source
Purolator Part Finder Filter 2026-06-26 Visit brand site
CarAraC Engine Oil Capacity, Oil type 2026-06-26 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-26 Visit brand site

2008 Mazda 6 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.

Look up another vehicle

Find checked oil capacity, type, and filter data by exact year, make, and model.

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