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2021 Jeep Gladiator Diesel
Solid pick. The public record on this car is clean for its age. Inspect it, then negotiate with confidence.
280 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
Why buy?
Steering problems dominate (33% of complaints, typically reported near 12k miles).
Zero recalls, rare for a car this age.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
NHTSA crash-tested this model year but didn’t publish an overall star rating for it.
2 open NHTSA defect investigations on file for this model year, separate from the recalls above.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2021 Jeep Gladiator Diesel, plotted where owners report it happening.
Also reported (mileage varies): Fuel system (28)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Steering
33%91 complaints · typically near 12k mi · 28 in the last 2 years
“The contact owns a 2021 Jeep Gladiator. The contact received notification of NHTSA Campaign Number: 26V363000 (Steering); however, the part to do the recall repair was…”
Transmission & drivetrain
24%67 complaints · typically near 10k mi · 21 in the last 2 years
“Engine oil light came on. Inspected at Tom Obrien Jeep for low oil pressure. Technician found that one of the oil sprayers was not bolted onto block, screw was there a…”
Engine
19%53 complaints · typically near 17k mi · 7 in the last 2 years
“The contact owns a 2021 Jeep Gladiator. The contact stated that while driving approximately 35 MPH, the vehicle started losing motive power. The contact stated that th…”
Electrical system
16%45 complaints · typically near 17k mi · 23 in the last 2 years
“The dealership says it cannot be repaired until 2027 due to parts not being available for the fire recall on this jeep. I cannot ensure my safety or others with this i…”
Recalls (0)
No recall campaigns on file for this model year.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2021 Jeep GLADIATOR DIESEL beats every score on the internet, including ours.
What to ask forNot set on the 2021? See how every Gladiator Diesel model year scores →
Cross-shopping? Compare the 2021 Jeep Gladiator Diesel against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.