2021 Jeep Gladiator
Common problems & what to know before you buy
Before you message the seller, know the documented failure patterns, repair cost exposure, and risk level for the 2021 Jeep Gladiator.
What to watch for on the 2021 Jeep Gladiator
EGR Cooler Failure (Recall)
The EGR cooler can crack and leak coolant into the intake, and many trucks and SUVs were recalled over it.
Rocker Arm and Lifter Tick
Roller rocker arms can wear their bearings and cause a tick, misfire and a damaged camshaft lobe.
3 more known problems on the 2021 Gladiator
Your guide shows all of them and which apply to the exact car, and what to ask the seller.
Recalls on the 2021 Jeep Gladiator
Power train: clutch assembly
The clutch pressure plate may overheat and fracture.
Back over prevention: display function
A radio software error may prevent the rearview image from displaying.
Fuel system: fuel pump
0L diesel engines.
5 more in the guide, with whether each one was done on the car you're looking at.
Source: NHTSA
What 292 owners reported
Source: NHTSA
2021 Jeep Gladiator at a glance
- Trims
- MojaveOverlandRubiconSportSport S
- Engine
- 3.6L 6-Cylinder, 3.0L 6-Cylinder Turbo Diesel
- Transmission
- Automatic 8-spd, Manual 6-spd
- Drivetrain
- 4WD
- Fuel
- Gasoline, Diesel
- Body style
- Truck
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Frequently asked questions
What are the common problems with the 2021 Jeep Gladiator?
Owners have filed 292 complaints about the 2021 Jeep Gladiator with NHTSA, most often about the steering. There are 8 recall campaigns covering this model year. Known problems on its engines include egr cooler failure, rocker arm and lifter tick and diesel emissions system faults. Squeezed's free research-backed buyer guide cross-references these against documented failure patterns and mileage-stage risks, sorted by severity, in about a minute.
Is the 2021 Jeep Gladiator reliable?
Reliability depends heavily on the specific configuration and how the car was maintained. Start with the 8 open recall campaigns on this model year and confirm the work was completed. Generate a Squeezed buyer guide for this exact vehicle to see a reliability snapshot, repair-cost exposure, and the questions to ask the seller before you buy.
Should I still get a pre-purchase inspection on a 2021 Jeep Gladiator?
Always. A Squeezed buyer guide is the triage step before the inspection: it shows you the documented failure patterns and what to check so you can decide which 2021 Jeep Gladiator listings are even worth a mechanic's time, then walk into the PPI knowing exactly what to look for.
Squeezed is a buyer guide based on public data and industry patterns, not a mechanical inspection. Always get a professional pre-purchase inspection before you buy.