Kia K4 Oil Type & Capacity
GarageDex's oil-spec data shows the Kia K4 takes 0W-20 engine oil, about 4.5-5.1 qt with a filter change, on 2025-2026 models. That has been the factory spec across every year we cover.
Oil by model year
| Model years | Oil type | Capacity | Buy |
|---|---|---|---|
| 2025-2026 | 0W-20 | 4.5-5.1 qt | Shop 0W-20 |
Capacity is with a filter change and can vary by engine - open your exact year below for the per-engine figures and our sources. Shop links go to Amazon, and we may earn a commission at no extra cost to you.
Every K4 year
Frequently asked
What kind of oil does a Kia K4 take?
GarageDex's oil-spec data shows the Kia K4 takes 0W-20 engine oil, about 4.5-5.1 qt with a filter change, on 2025-2026 models. That has been the factory spec across every year we cover.
How many quarts of oil does a Kia K4 take?
About 4.5-5.1 qt with a filter change on 2025-2026 models. Capacity varies by engine, so check your exact year for the per-engine figure - and finish on the dipstick rather than pouring in the full amount.
Does the oil type change by year on the Kia K4?
No - every year we cover uses 0W-20.
Sources. The oil grade and capacity for 1 of 2 model years is checked against a cited source, most often AMSOIL lookup guide - 2025 Kia K4, 1.6L 4-cyl turbo and AMSOIL lookup guide - 2025 Kia K4, 2.0L 4-cyl. Each year page lists its own sources.
Last verified 2026-09-23. Maintained by Matan B., who runs GarageDex. How we verify.