2025 Jeep Grand Wagoneer Oil Type & Capacity
The 2025 Jeep Grand Wagoneer oil type depends on the engine: the Obsidian takes 0W-20 (7.5 quarts qt with filter); the Series III takes 0W-40 (7.5 quarts qt with filter); the Series III Obsidian takes 0W-40 (7.5 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Obsidian: 0W-20, 7.5 quarts with filter
- Series III: 0W-40, 7.5 quarts with filter
- Series III Obsidian: 0W-40, 7.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Obsidian — Obsidian,3.0L Eng | API - SAE 0W-20 Full Synthetic Engine Oil | 7.50 QTS. | — | Usage of earlier API certification levels (such as API-SN or prior) can result in engine damage and is not covered by the New Vehicle Limited Warranty. |
| Obsidian — Obsidian,Series III,Series III Obsidian,3.0L Eng | API - SAE 0W-40 Full Synthetic Engine Oil | 7.50 QTS. | — | Usage of earlier API certification levels (such as API-SN or prior) can result in engine damage and is not covered by the New Vehicle Limited Warranty. |
| Series III — Obsidian,Series III,Series III Obsidian,3.0L Eng | API - SAE 0W-40 Full Synthetic Engine Oil | 7.50 QTS. | — | Usage of earlier API certification levels (such as API-SN or prior) can result in engine damage and is not covered by the New Vehicle Limited Warranty. |
| Series III Obsidian — Obsidian,Series III,Series III Obsidian,3.0L Eng | API - SAE 0W-40 Full Synthetic Engine Oil | 7.50 QTS. | — | Usage of earlier API certification levels (such as API-SN or prior) can result in engine damage and is not covered by the New Vehicle Limited Warranty. |
More factory specs & repair guides for your Grand Wagoneer
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Coolant capacity
16.6 quarts (15.7 L) — MOPAR Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic Additive Technology) meeting the requirements of Chrysler Material Standard MS-12106. Includes: heater and coolant recovery tank filled to "max" level.
Frequently asked questions
What type of oil does a 2025 Jeep Grand Wagoneer take?
It depends on the engine: Obsidian uses 0W-20; Series III uses 0W-40; Series III Obsidian uses 0W-40.
What is the oil capacity of a 2025 Jeep Grand Wagoneer?
Oil capacity depends on the engine: Obsidian holds 7.5 quarts with filter; Series III holds 7.5 quarts with filter; Series III Obsidian holds 7.5 quarts with filter.
How often should I change the oil in my 2025 Jeep Grand Wagoneer?
Most 2025 Jeep Grand Wagoneer 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 — Jeep recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2025 Jeep Grand Wagoneer?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2025 Jeep Grand Wagoneer. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.