2021 Lincoln Navigator problems and complaints
Owners have filed 34 complaints with NHTSA about the 2021 Lincoln Navigator. The most-reported areas: Engine (8), Power Train (7), Fuel/Propulsion System (4).
Key takeaways
- 34 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 8 | 24% |
| Power Train | 7 | 21% |
| Fuel/Propulsion System | 4 | 12% |
| Fuel System | 4 | 12% |
| Gasoline | 4 | 12% |
| Unknown Or Other | 4 | 12% |
| Electrical System | 3 | 9% |
| Back Over Prevention | 3 | 9% |
| Steering | 3 | 9% |
| Visibility/Wiper | 3 | 9% |
| Carry Handle | 1 | 3% |
| Shell | 1 | 3% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2021 Lincoln Navigator
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Lincoln Navigator SUV 4WD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2021 Lincoln Navigator SUV 2WD | 5/5 | 5/5 | 5/5 | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Power Train - filed 2026-11-04
The transmission control assembly and park valve circuit failed, causing the vehicle to unexpectedly lose drive power and experience a momentary neutral-out condition while moving in traffic, which almost caused a rear-end collision. The vehicle also exhibits harsh gear engagement and severe transmission fluid leaks. T...
Carry Handle, Shell, Base - filed 2026-09-24
My husband secured our infant into the car seat and attached the seat to the base installed in the car. He then drove our child. When he removed the car seat it was discovered the right side of the seat (when facing) was not clicked in and could be lifted up. When he removed the seat he noticed the clip on the inside o...
Power Train,engine,fuel/Propulsion System - filed 2026-08-29
I am reporting a serious intermittent transmission and loss-of-propulsion problem with my 2021 Lincoln Navigator, VIN 5LMJJ3LT6MEL05416. While driving, including at highway speeds, the transmission will unpredictably behave as though it has shifted into Neutral even though the vehicle remains in Drive. When I press th...
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More for the 2021 Lincoln Navigator
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.