Checked oil specs by engine
2020 Buick Encore GX oil capacity, type & filter
The 2020 Buick Encore GX takes 4.2 qt of 5W-30 (1.2L 3-Cyl Turbo) and 4.8 qt of 0W-20 (1.3L 3-Cyl Turbo) and 4.2 qt of 5W-30 (1.4L Turbo). Select your engine below before buying.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 1.2L 3-Cyl Turbo | 4.2 qt | 5W-30 | AMSOIL EA15K50 |
| 1.3L 3-Cyl Turbo | 4.8 qt | 0W-20 | WIX 51032 |
| 1.4L Turbo | 4.2 qt | 5W-30 | — |
Match one of 3 checked engine options before buying oil or a filter. Also check 2020 Buick Encore .
AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
WIX 51032 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.
2020 Buick Encore GX 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.
Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2020 Buick Encore GX
Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager).
Supported by Pennzoil OATS, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager).
Supported by Purolator Part Finder and AMSOIL Lookup.
5 checked source rows for the 2020 Buick Encore GX.
Before ordering for this 2020 Buick Encore GX
- Capacity
- 4.2 qt
- Oil type
- 5W-30
- Interval
- 12 mo
- Filter
- AMSOIL EA15K50
- Capacity
- 4.8 qt
- Oil type
- 0W-20
- Interval
- 12 mo
- Filter
- WIX 51032
- Capacity
- 4.2 qt
- Oil type
- 5W-30
- Filter
- Unverified
Source check: Last checked 2026-06-27 from AMSOIL Lookup, Pennzoil OATS, Purolator Part Finder, Valvoline Product Finder, and Castrol (Olyslager).
Buick Encore GX oil specs by year
This table includes checked Buick Encore GX model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 4.2 qt (multiple engines) | 0W-20 | AMSOIL EA15K50 |
| 2024 | 4.2 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2023 | 4.2 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2022 | 4.2 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2021 | 4.2 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2020 Current page | 4.2 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
How we verified 2020 Buick Encore GX oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 5 sources for the 2020 Buick Encore GX. 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
- 2026-06-27
- Capacity: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
- Oil type: Pennzoil OATS, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager)
- Filter: Purolator Part Finder and AMSOIL Lookup
- Change interval: Pennzoil OATS, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager)
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Filter, Oil type | 2026-06-27 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-27 | Visit brand site |
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-27 | Checked source |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-27 | Visit brand site |
2020 Buick Encore GX oil FAQ
Which engine configuration applies to my vehicle?
Use the door jamb sticker, owner's manual, or engine cover badge to identify your engine, then match it to the engine options listed above.
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 2020 Buick Encore GX 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 2020 Buick Encore GX?
Change intervals vary by engine option for this vehicle. 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.
2020 Buick Encore GX 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.
Walmart
Compare oil and filter listings for the 2020 Buick Encore GX. Confirm capacity, viscosity, and filter part number before checkout.
Search 2020 Buick Encore GX oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2020 Buick Encore GX before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2020 Buick Encore GX oil & filter →Amazon
Search Amazon listings for the 2020 Buick Encore GX and check listing fitment notes against the specs above.
Search 2020 Buick Encore GX oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2020 Buick Encore GX and verify oil capacity, viscosity, and filter part number before ordering.
Search 2020 Buick Encore GX oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.