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 with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.0L takes 5W-40 (9.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the 3.6L takes 0W-20 (5.0 quarts with filter); the Mojave, Full Time T/Case Control, Automatic Trans takes 0W-20 (5.0 quarts with filter); the Mojave, Full Time T/Case Control, Standard Trans takes 0W-20 (5.0 quarts with filter); the Mojave, Part Time T/Case Control, Automatic Trans takes 0W-20 (5.0 quarts with filter); the Mojave, Part Time T/Case Control, Standard Trans takes 0W-20 (5.0 quarts with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.0L — 3.0L EngAPI - SN SAE 5W-40 synthetic engine oil9.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 3.6L EngAPI - SAE 0W-20 Full synthetic engine oil5.00 QTS.
3.6L — 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.

Buy the right oil

Buy 5W-40 motor oil on AmazonBuy 0W-20 motor oil on Amazon2021 Jeep Gladiator oil filter on Amazon

As an Amazon Associate we earn from qualifying purchases made through these links.

More specs & repair guides for your Gladiator

2021 Jeep Gladiator factory service manualAll fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner site 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; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.0L uses 5W-40; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 3.6L uses 0W-20; 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.

How much oil does a 2021 Jeep Gladiator take?

Capacity depends on the engine: 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.0L holds 9.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 quarts with filter; 3.6L holds 5.0 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.

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.

Other Jeep Gladiator years

2025 Gladiator2024 Gladiator2023 Gladiator2022 Gladiator2020 Gladiator

Other Jeep models

CherokeeCJ5CJ7ComancheCommanderCompassGrand CherokeeGrand Cherokee LGrand Cherokee WKGrand WagoneerGrand Wagoneer LLibertyPatriotPickupRenegadeScramblerWagoneerWagoneer LWranglerWrangler JK