Jeep Gladiator Engine Problems

Source: NHTSA · Updated Oct 12, 2026 · 130 complaints analyzed

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).

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.

Under 10k miles12 · 48%
10k–25k miles7 · 28%
25k–50k miles3 · 12%
50k–75k miles1 · 4%
75k–100k miles1 · 4%
100k–150k miles1 · 4%
150k+ miles0 · 0%

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

Peak: 2021, with 53 complaints
2020: 452020452021: 532021532022: 202022202023: 7202372024: 3202432025: 1202512026: 120261

n = 130 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2026 Gladiator133%—
2025 Gladiator17%—
2024 Gladiator313%20,000
2023 Gladiator712%19,500
2022 Gladiator2017%10,350
2021 Gladiator5318%21,000
2020 Gladiator459%1,036

When owners reported it

Peak: 2022, with 42 complaints
2019: 1201912020: 9202092021: 5202152022: 422022422023: 172023172024: 132024132025: 332025332026: 10202610

n = 130 complaints · Source: NHTSA

Related recalls (1)

Engine; fuel system, gasoline:delivery:fuel pumpOct 13, 2022 · NHTSA campaign 22V767000 · 60,413 vehicles

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…

Received Aug 5, 2026 · NHTSA complaint 11754898

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.

Received Jul 29, 2026 · NHTSA complaint 11753558

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…

Received Jun 24, 2026 · NHTSA complaint 11746281

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

Received Jun 11, 2026 · NHTSA complaint 11743390

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.

Received Jun 10, 2026 · NHTSA complaint 11743129
Jeep Gladiator
Jeep_Gladiator_(JT) in Stuttgart. Representative photo; appearance varies by model year. Photo: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons.

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

See all Jeep Gladiator problems.