1997 Hyundai Sonata Oil Type & Capacity: 20W-40 (4.56 quarts)
The 1997 Hyundai Sonata takes 20W-40 motor oil — 4.56 quarts with a filter change, per the factory service manual.
Factory-spec answer
20W-40 — 4.56 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 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) | 4.56 QTS. | — | — |
| Base, 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) | 4.56 QTS. | — | — |
| GL, 2.0 F | 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) | 4.56 QTS. | — | — |
| GL, 3.0 T | 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) | 4.56 QTS. | — | — |
| GLS | 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) | 4.56 QTS. | — | — |
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More factory specs & repair guides for your Sonata
🛞 1997 Hyundai Sonata Tire Size & Pressure →🌧️ 1997 Hyundai Sonata Wiper Blade Sizes →💡 1997 Hyundai Sonata Light Bulb Sizes →📖 1997 Hyundai Sonata Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.7 quarts (7.28 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 1997 Hyundai Sonata take?
The 1997 Hyundai Sonata 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.
What is the oil capacity of a 1997 Hyundai Sonata?
The 1997 Hyundai Sonata oil capacity is 4.56 quarts with a filter change.
How often should I change the oil in my 1997 Hyundai Sonata?
Most 1997 Hyundai Sonata owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Hyundai recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1997 Hyundai Sonata?
Yes. 20W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1997 Hyundai Sonata. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.