2005 Hyundai Sonata Oil Type & Capacity
The 2005 Hyundai Sonata oil type depends on the engine: the GL, 2.4 S, Automatic takes 5W-20 (4.5 quarts with filter); the GL, 2.4 S, Standard takes 5W-20 (4.5 quarts with filter); the GL, 2.7 H takes 5W-20 (4.77 quarts with filter); the GLS takes 5W-20 (4.77 quarts with filter); the LX takes 5W-20 (4.77 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- GL, 2.4 S, Automatic: 5W-20, 4.5 quarts with filter
- GL, 2.4 S, Standard: 5W-20, 4.5 quarts with filter
- GL, 2.7 H: 5W-20, 4.77 quarts with filter
- GLS: 5W-20, 4.77 quarts with filter
- LX: 5W-20, 4.77 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GL, 2.4 S, Automatic — 2.4L Eng | API - SJ, SL or Above, SAE 5W-20, 5W-30, ILSAC GF-3 or Above, SAE 10W-30 Above 0Deg F (-18Deg C) | 4.50 QTS. | 4.20 QTS. | — |
| GL, 2.4 S, Standard — 2.4L Eng | API - SJ, SL or Above, SAE 5W-20, 5W-30, ILSAC GF-3 or Above, SAE 10W-30 Above 0Deg F (-18Deg C) | 4.50 QTS. | 4.20 QTS. | — |
| GL, 2.7 H — 2.7L Eng | API - SJ, SL or Above, SAE 5W-20, 5W-30, ILSAC GF-3 or Above, SAE 10W-30 Above 0Deg F (-18Deg C) | 4.77 QTS. | 4.45 QTS. | — |
| GLS — 2.7L Eng | API - SJ, SL or Above, SAE 5W-20, 5W-30, ILSAC GF-3 or Above, SAE 10W-30 Above 0Deg F (-18Deg C) | 4.77 QTS. | 4.45 QTS. | — |
| LX — 2.7L Eng | API - SJ, SL or Above, SAE 5W-20, 5W-30, ILSAC GF-3 or Above, SAE 10W-30 Above 0Deg F (-18Deg C) | 4.77 QTS. | 4.45 QTS. | — |
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More specs & repair guides for your Sonata
2005 Hyundai Sonata factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site 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 2005 Hyundai Sonata take?
It depends on the engine: GL, 2.4 S, Automatic uses 5W-20; GL, 2.4 S, Standard uses 5W-20; GL, 2.7 H uses 5W-20; GLS uses 5W-20; LX uses 5W-20.
How much oil does a 2005 Hyundai Sonata take?
Capacity depends on the engine: GL, 2.4 S, Automatic holds 4.5 quarts with filter; GL, 2.4 S, Standard holds 4.5 quarts with filter; GL, 2.7 H holds 4.77 quarts with filter; GLS holds 4.77 quarts with filter; LX holds 4.77 quarts with filter.
Can I use synthetic oil in my 2005 Hyundai Sonata?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Hyundai Sonata. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.