Jeep Gladiator Engine Problems
Owners have filed 130 complaints with NHTSA about engine problems on the Jeep Gladiator across 7 model years. The 2021 model year has the most (53). The words owners use most often: “serious safety hazard” (12% of reports).
- 130engine complaints
- —median miles at failure
- 2mention a crash
- 4mention an injury
- 1related recalls
- 37%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Serious safety hazard: mentioned in 15 of 130 complaints (12%)
- Direct conflict: mentioned in 11 of 130 complaints (8%)
- Malfunction reproduced multiple: mentioned in 8 of 130 complaints (6%)
- Unexpected wanted: mentioned in 8 of 130 complaints (6%)
At what mileage do engine problems happen?
Based on 25 complaints that reported the odometer reading.
How serious are the reports?
Of 130 complaints, 2 mention a crash, 14 a fire, 4 an injury.
Jeep Gladiator engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Gladiator | 1 | 33% | — |
| 2025 Gladiator | 1 | 7% | — |
| 2024 Gladiator | 3 | 13% | 20,000 |
| 2023 Gladiator | 7 | 12% | 19,500 |
| 2022 Gladiator | 20 | 17% | 10,350 |
| 2021 Gladiator | 53 | 18% | 21,000 |
| 2020 Gladiator | 45 | 9% | 1,036 |
When owners reported it
Related recalls (1)
Engine; fuel system, gasoline:delivery:fuel pump
Model years: 2021, 2022
Problem: Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.
Risk: An engine stall can increase the risk of a crash.
Fix: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
On July 30, my 2022 Jeep Gladiator Rubicon suffered an extremely dangerous, unexpected complete electrical and engine failure while in operation. The vehicle abruptly shut down without any warning, causing an immediate loss of power steering and power braking. Prior to and during this shutdown…
My husband parked this car in my driveway at 8:15 pm. Our security cameras show a spark under the car at 8:35. By 8:42 the front half of the car was completely engulfed in flames. The front half of the car is totally burned.
5800 miles, the engine failed due to a connecting rod failure. Chrysler replaced the engine at no cost. Oil changes were done at the year mark as the mileage limit was not reached. Dealership indicates they replace several 3.6 engines a month for warranty failures Castle Rock Jeep, Castle rock…
After getting gas and attempting to turn around in the parking lot the vehicle on its own accord while my foot was holding the brake attempted to speed up like cruise control was taking over on its on
Multiple control modules lost communication due to faulty Can Bus connection behind glove box. Vehicle went into limp mode then forced me to put in park while at red light, essentially disabling vehicle.

Frequently asked questions
Do all Jeep Gladiators have engine problems?
No. NHTSA has 130 owner complaints about engine for the Jeep Gladiator. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Jeep Gladiator engine?
Yes: 1 safety recall list engine. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
What do owners say about engine problems on the Jeep Gladiator?
The most frequent phrase is “serious safety hazard”, in 15 of 130 complaints, followed by “direct conflict” (11).
Other Jeep Gladiator problems
- Steering problems (329)
- Electrical System problems (289)
- Power Train problems (158)
- Suspension problems (106)
See all Jeep Gladiator problems.