Checked oil specs by engine
2018 Buick Envision oil capacity, type & filter
The 2018 Buick Envision takes 6 qt of 0W-20 (2.5L 4-Cyl) and 6 qt of 5W-30 (2.0L 4-Cyl Turbo). Select your engine below before buying.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.5L 4-Cyl | 6 qt | 0W-20 | AMSOIL EA15K50 |
| 2.0L 4-Cyl Turbo | 6 qt | 5W-30 | AMSOIL EA15K50 |
Match one of 2 checked engine options before buying oil or a filter.
AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K50 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.
2018 Buick Envision 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.
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.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2018 Buick Envision
Supported by Pennzoil OATS, AMSOIL Lookup, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil.
Supported by Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil.
Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.
7 checked source rows for the 2018 Buick Envision.
Before ordering for this 2018 Buick Envision
- Capacity
- 6 qt (Service fill)
- Oil type
- 0W-20
- Interval
- 12 mo
- Filter
- AMSOIL EA15K50
- Capacity
- 6 qt (Service fill)
- Oil type
- 5W-30
- Interval
- 12 mo
- Filter
- AMSOIL EA15K50
Source check: Last checked 2026-06-27 from AMSOIL Lookup, Pennzoil OATS, RockAuto, Purolator Part Finder, Valvoline Product Finder, CarAraC Engine Oil, and Castrol (Olyslager).
Buick Envision oil specs by year
This table includes checked Buick Envision model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 5.3 qt | 0W-20 | WIX 51032 |
| 2024 | 5.3 qt | 0W-20 | WIX 51032 |
| 2023 | 5.3 qt | 0W-20 | WIX 51032 |
| 2022 | 5.3 qt | 0W-20 | WIX 51032 |
| 2021 | 5.3 qt | 0W-20 | WIX 51032 |
| 2020 | 6 qt (multiple engines) | 0W-20 | AMSOIL EA15K50 |
| 2019 | 6 qt (multiple engines) | 0W-20 | AMSOIL EA15K50 |
| 2018 Current page | 6 qt (multiple engines) | 0W-20 | AMSOIL EA15K50 |
| 2017 | 6 qt (multiple engines) | 0W-20 | AMSOIL EA15K50 |
| 2016 | 6 qt (multiple engines) | 5W-30 | CHAMP / LUBER-FINER PH10064 |
How we verified 2018 Buick Envision oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 7 sources for the 2018 Buick Envision. 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
- 7
- Last checked
- 2026-06-27
- Capacity: Pennzoil OATS, AMSOIL Lookup, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
- Oil type: Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
- Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
- Change interval: Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Filter | 2026-06-27 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-27 | Visit brand site |
| RockAuto | Filter | 2026-06-27 | Checked source |
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-27 | Checked source |
| CarAraC Engine Oil | Capacity, Oil type | 2026-06-27 | Checked source |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-27 | Visit brand site |
2018 Buick Envision 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 2018 Buick Envision 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 2018 Buick Envision?
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.
2018 Buick Envision 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 2018 Buick Envision. Confirm capacity, viscosity, and filter part number before checkout.
Search 2018 Buick Envision oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2018 Buick Envision before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2018 Buick Envision oil & filter →Amazon
Search Amazon listings for the 2018 Buick Envision and check listing fitment notes against the specs above.
Search 2018 Buick Envision oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2018 Buick Envision and verify oil capacity, viscosity, and filter part number before ordering.
Search 2018 Buick Envision oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.