1998 Kia Sephia Oil Type & Capacity
The 1998 Kia Sephia takes 5W-30 motor oil — 4.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic | API - SAE 5W-30 (-20Deg.F to 35Deg.F), 10W-30 (-10Deg.F to 90Deg.F) | 4.00 QTS. | 3.80 QTS. | — |
| Base, Standard | API - SAE 5W-30 (-20Deg.F to 35Deg.F), 10W-30 (-10Deg.F to 90Deg.F) | 4.00 QTS. | 3.80 QTS. | — |
| LS, Automatic | API - SAE 5W-30 (-20Deg.F to 35Deg.F), 10W-30 (-10Deg.F to 90Deg.F) | 4.00 QTS. | 3.80 QTS. | — |
| LS, Standard | API - SAE 5W-30 (-20Deg.F to 35Deg.F), 10W-30 (-10Deg.F to 90Deg.F) | 4.00 QTS. | 3.80 QTS. | — |
Buy the right oil
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More specs & repair guides for your Sephia
1998 Kia Sephia factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
6.3 quarts (5.96 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1998 Kia Sephia take?
The 1998 Kia Sephia takes 5W-30 motor oil (API - SAE 5W-30 (-20Deg.F to 35Deg.F), 10W-30 (-10Deg.F to 90Deg.F)), per the factory service manual.
How much oil does a 1998 Kia Sephia take?
The 1998 Kia Sephia holds 4.0 quarts with a filter change, or 3.8 quarts without changing the filter.
Can I use synthetic oil in my 1998 Kia Sephia?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Kia Sephia. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.