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2021 Jeep Gladiator Oil Type & Capacity

The 2021 Jeep Gladiator oil type depends on the engine: the 3.0L takes 5W-40 (9.0 quarts qt with filter); the 3.6L takes 0W-20 (5.0 quarts qt with filter); the Mojave, Full Time T/Case Control, Automatic Trans takes 0W-20 (5.0 quarts qt with filter); the Mojave, Full Time T/Case Control, Standard Trans takes 0W-20 (5.0 quarts qt with filter); the Mojave, Part Time T/Case Control, Automatic Trans takes 0W-20 (5.0 quarts qt with filter); the Mojave, Part Time T/Case Control, Standard Trans takes 0W-20 (5.0 quarts qt with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

🛒 Buy 5W-40 Full Synthetic Oil →🛒 Buy 0W-20 Full Synthetic Oil →🔧 Gladiator Oil Filter →

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
3.0L — 80th Anniversary Edition, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — 80th Anniversary Edition, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — High Altitude, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — High Altitude, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Overland, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Overland, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Rubicon, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Rubicon, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Sport S, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Sport S, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Sport, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Sport, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Texas Trail, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Texas Trail, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Willys Sport, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Willys Sport, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Willys, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.0L — Willys, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.——
3.6L — 80th Anniversary Edition, 3.6L Eng VIN G, Full Time T/Case Control, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — 80th Anniversary Edition, 3.6L Eng VIN G, Part Time T/Case Control, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — High Altitude, 3.6L Eng VIN G, Full Time T/Case Control, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — High Altitude, 3.6L Eng VIN G, Part Time T/Case Control, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Overland, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Overland, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Overland, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Overland, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Rubicon, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Rubicon, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Rubicon, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Rubicon, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport S, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport S, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport S, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport S, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Sport, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Texas Trail, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Texas Trail, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Texas Trail, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Texas Trail, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys Sport, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys Sport, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys Sport, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys Sport, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
3.6L — Willys, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
Mojave, Full Time T/Case Control, Automatic Trans — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
Mojave, Full Time T/Case Control, Standard Trans — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
Mojave, Part Time T/Case Control, Automatic Trans — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——
Mojave, Part Time T/Case Control, Standard Trans — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.——

More factory specs & repair guides for your Gladiator

🛞 2021 Jeep Gladiator Tire Size & Pressure →🌧️ 2021 Jeep Gladiator Wiper Blade Sizes →💡 2021 Jeep Gladiator Light Bulb Sizes →📖 2021 Jeep Gladiator Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner network AllOEMManuals.com.

Coolant capacity

12.0 quarts (11.35 L) — MOPAR Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic Additive Technology) or equivalent 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 2021 Jeep Gladiator take?

It depends on the engine: 3.0L uses 5W-40; 3.6L uses 0W-20; Mojave, Full Time T/Case Control, Automatic Trans uses 0W-20; Mojave, Full Time T/Case Control, Standard Trans uses 0W-20; Mojave, Part Time T/Case Control, Automatic Trans uses 0W-20; Mojave, Part Time T/Case Control, Standard Trans uses 0W-20.

What is the oil capacity of a 2021 Jeep Gladiator?

Oil capacity depends on the engine: 3.0L holds 9.0 quarts with filter; 3.6L holds 5.0 quarts with filter; Mojave, Full Time T/Case Control, Automatic Trans holds 5.0 quarts with filter; Mojave, Full Time T/Case Control, Standard Trans holds 5.0 quarts with filter; Mojave, Part Time T/Case Control, Automatic Trans holds 5.0 quarts with filter; Mojave, Part Time T/Case Control, Standard Trans holds 5.0 quarts with filter.

How often should I change the oil in my 2021 Jeep Gladiator?

Most 2021 Jeep Gladiator 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 2021 Jeep Gladiator?

Yes. 5W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2021 Jeep Gladiator. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

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