Checked oil specs by engine
2019 Kia Optima oil capacity, type & filter
Multiple engine options are listed for the 2019 Kia Optima. Select your engine below before buying oil or a filter.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 1.6L 4-Cyl Turbo | 4.8 qt | — | AMSOIL EA15K20 |
| 2.0L 4-Cyl Turbo | 5.1 qt | — | AMSOIL EA15K20 |
| 2.4L 4-Cyl | 5.1 qt | 5W-20 | AMSOIL EA15K20 |
Match one of 3 checked engine options before buying oil or a filter.
AMSOIL EA15K20 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K20 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K20 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.
2019 Kia Optima 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 2019 Kia Optima
Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).
Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).
Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.
5 checked source rows for the 2019 Kia Optima.
Before ordering for this 2019 Kia Optima
- Capacity
- 4.8 qt (Service fill)
- Oil type
- Unverified
- Interval
- 6,000 mi / 12 mo
- Filter
- AMSOIL EA15K20
- Capacity
- 5.1 qt
- Oil type
- Unverified
- Interval
- 7,500 mi / 12 mo
- Filter
- AMSOIL EA15K20
- Capacity
- 5.1 qt
- Oil type
- 5W-20
- Interval
- 7,500 mi / 12 mo
- Filter
- AMSOIL EA15K20
Source check: Last checked 2026-06-23 from AMSOIL Lookup, Pennzoil OATS, RockAuto, Purolator Part Finder, and Castrol (Olyslager).
Kia Optima oil specs by year
This table includes checked Kia Optima model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2020 | 4.8 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
| 2019 Current page | 4.8 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
| 2018 | 4.8 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2017 | 4.3 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
| 2016 | 5.1 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
| 2015 | 5.1 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2014 | 5.3 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2013 | 4.9 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2012 | 4.9 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2011 | 4.9 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2010 | 4.8 qt (multiple engines) | 5W-20 | AMSOIL EA15K20 |
| 2009 | 4.5 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
| 2008 | 4.5 qt (multiple engines) | 5W-20 | AMSOIL EA15K20 |
| 2007 | 4.2 qt (multiple engines) | 5W-20 | AMSOIL EA15K20 |
| 2006 | 4.5 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
How we verified 2019 Kia Optima oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-23.
This page checked 5 sources for the 2019 Kia Optima. 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
- 2026-06-23
- Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
- Oil type: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
- Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
- Change interval: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-23 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-23 | Visit brand site |
| RockAuto | Filter | 2026-06-23 | Checked source |
| Purolator Part Finder | Filter | 2026-06-23 | Visit brand site |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-23 | Visit brand site |
2019 Kia Optima maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2019 Kia Optima cabin filter part numbers
- Engine air filter 2019 Kia Optima engine filter part numbers
- Wiper blade size 2019 Kia Optima driver & passenger blade sizes
- Oil type & capacity Oil specs checked Checked
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 2019 Kia Optima. Confirm capacity, viscosity, and filter part number before checkout.
Search 2019 Kia Optima oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2019 Kia Optima before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2019 Kia Optima oil & filter →Amazon
Search Amazon listings for the 2019 Kia Optima and check listing fitment notes against the specs above.
Search 2019 Kia Optima oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2019 Kia Optima and verify oil capacity, viscosity, and filter part number before ordering.
Search 2019 Kia Optima oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.