2025 Kia K4 Oil Type & Capacity
The 2025 Kia K4 oil type depends on the engine: the EX takes 0W-20 (4.5 quarts with filter); the GT-Line takes 0W-20 (4.5 quarts with filter); the GT-Line Turbo takes 0W-20 (5.07 quarts with filter); the LX takes 0W-20 (4.5 quarts with filter); the LXS takes 0W-20 (4.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- EX: 0W-20, 4.5 quarts with filter
- GT-Line: 0W-20, 4.5 quarts with filter
- GT-Line Turbo: 0W-20, 5.07 quarts with filter
- LX: 0W-20, 4.5 quarts with filter
- LXS: 0W-20, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| EX — 2.0L Eng | Full Synthetic SAE 0W-20, API- SN PLUS/SP or ILSAC GF-6 | 4.50 QTS. | — | — |
| GT-Line — 2.0L Eng | Full Synthetic SAE 0W-20, API- SN PLUS/SP or ILSAC GF-6 | 4.50 QTS. | — | — |
| GT-Line Turbo — 1.6L Eng | Full Synthetic SAE 0W-20, API- SN PLUS/SP or ILSAC GF-6 | 5.07 QTS. | — | — |
| LX — 2.0L Eng | Full Synthetic SAE 0W-20, API- SN PLUS/SP or ILSAC GF-6 | 4.50 QTS. | — | — |
| LXS — 2.0L Eng | Full Synthetic SAE 0W-20, API- SN PLUS/SP or ILSAC GF-6 | 4.50 QTS. | — | — |
Buy the right oil
Buy 0W-20 motor oil on Amazon2025 Kia K4 oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your K4
2025 Kia K4 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
6.34 quarts (5.99 L) — A Phosphate based Ehtylene Glycol based coolant. Different type of coolant or water may damage the electrical component.
Frequently asked questions
What type of oil does a 2025 Kia K4 take?
It depends on the engine: EX uses 0W-20; GT-Line uses 0W-20; GT-Line Turbo uses 0W-20; LX uses 0W-20; LXS uses 0W-20.
How much oil does a 2025 Kia K4 take?
Capacity depends on the engine: EX holds 4.5 quarts with filter; GT-Line holds 4.5 quarts with filter; GT-Line Turbo holds 5.07 quarts with filter; LX holds 4.5 quarts with filter; LXS holds 4.5 quarts with filter.
Can I use synthetic oil in my 2025 Kia K4?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2025 Kia K4. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.