The 2020 Jeep Gladiator marked Jeep’s return to the pickup truck segment, combining Wrangler-based off-road capability with practical utility. Powered mainly by the 3.6L Pentastar V6 engine, it is built for towing, off-roading, and everyday driving — but it requires proper oil maintenance to stay reliable.
If you are searching for the exact 2020 Jeep Gladiator oil capacity, recommended oil type, oil filter specs, oil change interval, and service cost, this guide gives you everything in one place.
2020 Jeep Gladiator Oil Capacity
The 2020 Jeep Gladiator oil capacity for the 3.6L Pentastar V6 engine is approximately 5.0 quarts (4.7 liters) with oil filter change. Some variations may occur depending on how completely the engine is drained.
Important: Always check the dipstick after filling. Slight underfill or overfill can occur due to oil retained in the filter and engine passages.
2020 Jeep Gladiator Oil Type
Jeep recommends SAE 0W-20 full synthetic engine oil for the 3.6L Pentastar V6. This low-viscosity oil helps improve fuel efficiency, reduce engine wear, and ensure proper lubrication during cold starts and off-road driving conditions.
Best Choice: Always use full synthetic 0W-20 oil meeting API SP and FCA MS-6395 specifications for best engine protection.
Best Oil for 2020 Jeep Gladiator
Recommended Oils
- Mobil 1 Extended Performance 0W-20
- Pennzoil Platinum 0W-20
- Castrol EDGE 0W-20
- Valvoline Advanced Full Synthetic 0W-20
- Royal Purple 0W-20
- Shell Helix Ultra 0W-20
Why Synthetic Oil Matters
- Better protection during off-road use
- Improved cold-start performance
- Reduced engine sludge
- Longer oil life
- Stable viscosity under heat/load
- Better engine longevity
Oil Change Interval
Most drivers should change oil every 7,500 miles, but off-road use, towing, and heavy idling require shorter intervals.
2020 Jeep Gladiator Oil Change Cost
Oil change cost varies depending on whether you do it yourself or use a professional service.
Oil Filter Information
- Mopar 68191349AC (OEM)
- WIX WL10010
- Mobil 1 Extended Performance Filter
- FRAM Ultra Synthetic
Frequently Asked Questions
How much oil does a 2020 Jeep Gladiator take?
It takes approximately 5.0 quarts of SAE 0W-20 full synthetic oil with a filter change.
What oil does a 2020 Gladiator use?
0W-20 full synthetic oil meeting FCA/MS-6395 and API SP standards.
How often should oil be changed?
Every 7,500 miles under normal conditions, or 5,000 miles under heavy use.
Is synthetic oil required?
Yes, full synthetic oil is strongly recommended for engine protection and performance.
Final Thoughts
The 2020 Jeep Gladiator is a durable and capable truck, but it depends heavily on proper oil maintenance. Using the correct 0W-20 synthetic oil and following regular service intervals will ensure long engine life and reliable performance on and off the road.
For best results, change oil every 5,000–7,500 miles if you frequently tow or go off-road.