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:
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.0L: 5W-40, 9.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- 3.6L: 0W-20, 5.0 quarts with filter
- Mojave, Full Time T/Case Control, Automatic Trans: 0W-20, 5.0 quarts with filter
- Mojave, Full Time T/Case Control, Standard Trans: 0W-20, 5.0 quarts with filter
- Mojave, Part Time T/Case Control, Automatic Trans: 0W-20, 5.0 quarts with filter
- Mojave, Part Time T/Case Control, Standard Trans: 0W-20, 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 3.0L — 80th Anniversary Edition, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — 80th Anniversary Edition, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — High Altitude, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — High Altitude, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Overland, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Overland, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Rubicon, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Rubicon, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Sport S, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Sport S, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Sport, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Sport, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Texas Trail, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Texas Trail, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Willys Sport, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Willys Sport, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Willys, 3.0L Eng VIN M, Full Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.0L — Willys, 3.0L Eng VIN M, Part Time T/Case Control, 3.0L Eng | API - SN SAE 5W-40 synthetic engine oil | 9.00 QTS. | — | — |
| 3.6L — 80th Anniversary Edition, 3.6L Eng VIN G, Full Time T/Case Control, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — 80th Anniversary Edition, 3.6L Eng VIN G, Part Time T/Case Control, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — High Altitude, 3.6L Eng VIN G, Full Time T/Case Control, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — High Altitude, 3.6L Eng VIN G, Part Time T/Case Control, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Overland, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Overland, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Overland, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Overland, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Rubicon, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Rubicon, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Rubicon, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Rubicon, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport S, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport S, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport S, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport S, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Sport, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Texas Trail, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Texas Trail, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Texas Trail, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Texas Trail, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys Sport, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys Sport, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys Sport, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys Sport, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys, 3.6L Eng VIN G, Full Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys, 3.6L Eng VIN G, Full Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys, 3.6L Eng VIN G, Part Time T/Case Control, Automatic Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| 3.6L — Willys, 3.6L Eng VIN G, Part Time T/Case Control, Standard Trans, 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| Mojave, Full Time T/Case Control, Automatic Trans — 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| Mojave, Full Time T/Case Control, Standard Trans — 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| Mojave, Part Time T/Case Control, Automatic Trans — 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
| Mojave, Part Time T/Case Control, Standard Trans — 3.6L Eng | API - SAE 0W-20 Full synthetic engine oil | 5.00 QTS. | — | — |
📦 DIY Oil Change Kit Builder
Complete Oil Change Bundle for 2021 Jeep Gladiator
Everything you need delivered in one order. Pre-matched to your factory spec (5W-40, 9.0 quarts).
Preferred Oil Brand:
Mobil 1 5W-40 Full Synthetic OilExact Spec
Heavy-Duty Case Pack / 3 Gallons (9.0 quarts needed)
$69.99Item Link ↗
2021 Jeep Gladiator Premium Synthetic Oil FilterExact Fit
OEM-fitment high-efficiency synthetic filter media (3.0L)
$11.99Item Link ↗
Oil Drain Plug Crush Washer Gaskets (5-Pack)Recommended
Direct-fit replacement seal — prevents oil leaks after tightening
$6.99Item Link ↗
15-Quart Low-Profile Drain Pan with Pour SpoutTool
Catch-all basin with anti-splash lip & secure transport cap
$18.99Item Link ↗
RhinoRamps 12,000 lb Drive-Up Vehicle RampsTool
Safe driveway clearance for quick vehicle underbody access
$49.99Item Link ↗
Heavy-Duty Black Nitrile Gloves (Box of 100)PPE
6-mil commercial-grade chemical & oil resistant mechanics gloves
$14.99Item Link ↗
Multi-Angle Spill-Proof Oil Funnel SetTool
Wide-mouth funnel with flexible neck to eliminate engine bay spills
$8.99Item Link ↗
Scott Blue Shop Towels (6-Pack)Supplies
Ultra-absorbent lint-free automotive towels for clean-up
$12.99Item Link ↗
Selected Items: 3 items
$88.97 est. total
As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.
Buy the right oil & filter for your Gladiator
🛒 Buy 5W-40 Full Synthetic Oil (9.0 quarts needed) on Amazon🛒 Buy 0W-20 Full Synthetic Oil (9.0 quarts needed) on Amazon💡 Capacity Note: Your 2021 Jeep Gladiator holds 9.0 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.
Popular Full Synthetic Brands (5W-40):
As an Amazon Associate we earn from qualifying purchases made through these links.
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.