1998 Hyundai Elantra Oil Type & Capacity
The 1998 Hyundai Elantra takes 20W-40 motor oil — 4.2 quarts with a filter change, per the factory service manual.
Factory-spec answer
20W-40 — 4.2 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 4D Sedan, Automatic | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Sedan, Standard | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, Automatic | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, Standard | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| GLS, 4D Sedan, Automatic | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| GLS, 4D Sedan, Standard | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| GLS, 4D Wagon | API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
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More specs & repair guides for your Elantra
1998 Hyundai Elantra 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. The engine coolant should be compatible with aluminum engine parts.
Frequently asked questions
What type of oil does a 1998 Hyundai Elantra take?
The 1998 Hyundai Elantra takes 20W-40 motor oil (API - SAE 20W-40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F)), per the factory service manual.
How much oil does a 1998 Hyundai Elantra take?
The 1998 Hyundai Elantra holds 4.2 quarts with a filter change.
Can I use synthetic oil in my 1998 Hyundai Elantra?
Yes. 20W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Hyundai Elantra. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.