Is the 2021 Jeep Gladiator reliable?

It can be reliable with consistent maintenance, but some owners report steering feel concerns and occasional infotainment/electrical glitches. Reliability tends to be best when suspension alignment, tires, and software updates are kept current.

What are the 2021 Jeep Gladiator common issues?

Commonly reported issues include wandering or loose steering feel, intermittent Uconnect/backup camera problems, manual transmission clutch/shifting complaints on some trucks, and diesel emissions-system sensitivity if used mainly for short trips.

Are 2021 Jeep Gladiator maintenance costs high?

Costs are typically moderate for the gas V6 compared to other midsize trucks, but can rise with heavy off-road use, larger tires, and towing. EcoDiesel models can cost more to maintain due to additional fuel/emissions components and stricter oil and filter requirements.

What are the best years to buy a Jeep Gladiator?

Many shoppers prefer later examples of the current JT generation, including 2021 and newer, because they benefit from running updates after the 2020 launch. The best choice is a well-maintained truck with documented service, regardless of year.

What should I check before buying a used 2021 Jeep Gladiator?

Check for straight tracking on the highway, even tire wear, and any steering vibration. Test all infotainment features (camera, Bluetooth, screen responsiveness), inspect for off-road damage underneath, and confirm service records—especially fluid changes and, for EcoDiesel, emissions-related maintenance. For a deeper dive, get a complete owner’s guide with full specs, towing and payload details by configuration, and the recommended maintenance schedules for your exact trim and drivetrain.

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Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2021 Jeep Gladiator Reliability ReportB- grade · moderate risk · system-by-system breakdown

78/ 100

KeepScore

MODERATE RISK

Grade: B-

A supremely capable off-roader with unique charms, but prepare for the occasional electrical gremlin and diligently monitor steering components.

Full system breakdown + what I would do

Quick Facts · 2021 Jeep Gladiator

The system most likely to surface first: electrical system & infotainment (moderate severity).
Has 7 NHTSA recalls on record — the most notable involves the power train:clutch assembly.
Outscores the 2022 Jeep Gladiator by 10 points — one of the stronger nearby years to consider.

Is the 2021 Jeep Gladiator Worth Buying?

The 2021 Jeep Gladiator is a highly capable and distinct vehicle, offering unparalleled off-road prowess in a mid-size truck package. While its core mechanicals are generally robust, potential buyers must proceed with caution due to persistent electrical quirks and the infamous 'death wobble' that can emerge, particularly if the vehicle has been modified or poorly maintained. This isn't a hands-off truck, but for the right enthusiast, its rewards outweigh its unique challenges.

Biggest Strengths

Proven 3.6L Pentastar engine durability
Robust body-on-frame construction
Exceptional off-road capability and aftermarket support

What Tends to Fail First on the 2021 Jeep Gladiator

The systems that break first on the 2021 Jeep Gladiator. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Electrical System & Infotainmentmoderate

Steering & Suspension Componentsmajor

EcoDiesel Emissions Systemmajor

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

2021 Jeep Gladiator Recall History

7 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

POWER TRAIN:CLUTCH ASSEMBLY

Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

BACK OVER PREVENTION:DISPLAY FUNCTION

Chrysler (FCA US, LLC) is recalling certain 2020-2021 Jeep Wrangler, RAM 1500 and 2021 Jeep Gladiator vehicles. A radio software error may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

What breaks on the 2021 Jeep Gladiator?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Other Jeep Gladiator Years to Consider

Compare KeepScores across nearby years of the Jeep Gladiator. Click any year for its full report.

All Jeep Gladiator years ranked →Jeep Gladiator years to avoid →Jeep Gladiator common problems →

2021 Jeep Gladiator Alternatives

Similar class, similar year range — ranked by KeepScore.

2019 ChevroletSilverado 2500

2019 ChevroletColorado

78/100

2020 ChevroletSilverado 1500

72/100

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Frequently Asked Questions

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