CarPartSizes

Car part size lookup
by year, make, and model.

Checked oil specs by engine

2019 Subaru Ascent oil capacity, type & filter

The 2019 Subaru Ascent takes 4.8 qt of 0W-20 oil.

Applies to checked engine: 2.4L 4-Cyl Turbo.

Capacity 4.8 qt i Based on 2 checked sources: Pennzoil OATS and AMSOIL Lookup. 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 0W-20 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
PRO-TEC Shown first PXL57055 Search PXL57055 Purolator L14615 Search L14615 AMSOIL EA15K13 Search EA15K13 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 K&N HP-1008 Search HP-1008

PRO-TEC PXL57055 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

7 sources checked Last checked: 2026-06-27 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
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.

2019 Subaru Ascent oil specs: capacity conditions and filter notes

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.

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2019 Subaru Ascent

Capacity sources

Supported by Pennzoil OATS and AMSOIL Lookup.

Oil type sources

Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager).

Filter sources

Supported by K&N Filters, Purolator Part Finder, RockAuto, and AMSOIL Lookup.

Source coverage

7 checked source rows for the 2019 Subaru Ascent.

Before ordering for this 2019 Subaru Ascent

Checkout verification checklist
2.4L 4-Cyl Turbo Buy →
Capacity
4.8 qt
Oil type
0W-20
Interval
6,000 mi / 6 mo
Filter
PRO-TEC PXL57055

Source check: Last checked 2026-06-27 from Pennzoil OATS, AMSOIL Lookup, RockAuto, Purolator Part Finder, K&N Filters, Valvoline Product Finder, and Castrol (Olyslager).

Subaru Ascent oil specs by year

This table includes checked Subaru Ascent model years available in our database.

Year Capacity Oil type Filter
2025 4.8 qt 0W-20 PRO-TEC PXL57055
2024 4.8 qt 0W-20 PRO-TEC PXL57055
2023 4.8 qt 0W-20 PRO-TEC PXL57055
2021 4.8 qt 0W-20 PRO-TEC PXL57055
2019 Current page 4.8 qt 0W-20 PRO-TEC PXL57055

How we verified 2019 Subaru Ascent oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-27.

This page checked 7 sources for the 2019 Subaru Ascent. 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: 2.4L 4-Cyl Turbo capacity. 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
7
Last checked
2026-06-27
Field-level source support
  • Capacity: Pennzoil OATS and AMSOIL Lookup
  • Oil type: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
  • Filter: K&N Filters, Purolator Part Finder, RockAuto, and AMSOIL Lookup
  • Change interval: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
Source Supports Checked Link
Pennzoil OATS Capacity, Oil type 2026-06-27 Visit brand site
AMSOIL Lookup Capacity, Oil type, Filter 2026-06-27 Visit brand site
RockAuto Filter 2026-06-27 Checked source
Purolator Part Finder Filter 2026-06-27 Visit brand site
K&N Filters Filter 2026-06-27 Visit brand site
Valvoline Product Finder Oil type 2026-06-27 Checked source
Castrol (Olyslager) Oil type 2026-06-27 Visit brand site

2019 Subaru Ascent 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 2019 Subaru Ascent 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 2019 Subaru Ascent?

Castrol's service data indicates a 6,000 mi / 6 mo change interval for the 2019 Subaru Ascent. 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.

2019 Subaru Ascent 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.

Other 2019 Subaru Ascent lookups: Cabin air filter · Engine air filter · Wiper blade size