2018 Genesis G90 Oil Type & Capacity
The 2018 Genesis G90 oil type depends on the engine: the 3.3T Premium, AWD takes 5W-30 (7.29 quarts qt with filter); the 3.3T Premium, RWD takes 5W-30 (7.29 quarts qt with filter); the 5.0 Ultimate, AWD takes 5W-20 (9.72 quarts qt with filter); the 5.0 Ultimate, RWD takes 5W-20 (8.45 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 3.3T Premium, AWD: 5W-30, 7.29 quarts with filter
- 3.3T Premium, RWD: 5W-30, 7.29 quarts with filter
- 5.0 Ultimate, AWD: 5W-20, 9.72 quarts with filter
- 5.0 Ultimate, RWD: 5W-20, 8.45 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 3.3T Premium, AWD — 3.3L Eng | ACEA A5/B5, SAE 5W-30, 10W-30 | 7.29 QTS. | — | Approximate capacity. For better fuel economy, it is recommended to use the engine oil of a viscosity grade SAE 5W-30 (ACEA A5/B5). |
| 3.3T Premium, RWD — 3.3L Eng | ACEA A5/B5, SAE 5W-30, 10W-30 | 7.29 QTS. | — | Approximate capacity. For better fuel economy, it is recommended to use the engine oil of a viscosity grade SAE 5W-30 (ACEA A5/B5). |
| 5.0 Ultimate, AWD — 5.0L Eng,AWD | API SM and ILSAC GF-4 or above, SAE 5W-20, 5W-30 | 9.72 QTS. | — | Approximate capacity. |
| 5.0 Ultimate, RWD — 5.0L Eng,RWD | API SM and ILSAC GF-4 or above, SAE 5W-20, 5W-30 | 8.45 QTS. | — | Approximate capacity. |
More factory specs & repair guides for your G90
🛞 2018 Genesis G90 Tire Size & Pressure →🌧️ 2018 Genesis G90 Wiper Blade Sizes →💡 2018 Genesis G90 Light Bulb Sizes →📖 2018 Genesis G90 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.36 quarts (9.8 L) — Mixture of antifreeze and water Ethylene Gylcol base Coolant for aluminum radiator. Approximate capacity.
Frequently asked questions
What type of oil does a 2018 Genesis G90 take?
It depends on the engine: 3.3T Premium, AWD uses 5W-30; 3.3T Premium, RWD uses 5W-30; 5.0 Ultimate, AWD uses 5W-20; 5.0 Ultimate, RWD uses 5W-20.
What is the oil capacity of a 2018 Genesis G90?
Oil capacity depends on the engine: 3.3T Premium, AWD holds 7.29 quarts with filter; 3.3T Premium, RWD holds 7.29 quarts with filter; 5.0 Ultimate, AWD holds 9.72 quarts with filter; 5.0 Ultimate, RWD holds 8.45 quarts with filter.
How often should I change the oil in my 2018 Genesis G90?
Most 2018 Genesis G90 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 — Genesis recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2018 Genesis G90?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 Genesis G90. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.