AutoUtility currently tracks 31 official NHTSA owner defect complaints for the 2021 Lincoln Navigator. Fuel & Propulsion System issues are the most frequently reported category, appearing in 7 complaints (22.6% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
7 owner complaints submitted to NHTSA ODI for this subsystem.
7 owner complaints submitted to NHTSA ODI for this subsystem.
5 owner complaints submitted to NHTSA ODI for this subsystem.
4 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
3 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"My screen intermittently goes black, I have had it repaired/ updated once prior and it still does this..as a result I backed into a mailbox. It was very dark and I couldn’t see out of my windows."
"I purchased this 2021 Lincoln Navigator L Black Label used on March 22, 2024 with approximately 42,726mi. Beginning around Sept. 2025 (approximately 70,000-75,000 miles), the vehicle developed intermittent transmission failures that have progressively worsened. This is our primary family vehicle..."
"The contact owns a 2021 Lincoln Navigator. The contact received notification of NTHSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The local dealer was contacted. The dealer confirmed that the part was not yet available. The..."
"The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA Campaign Number: 25V455000 (FUEL SYSTEM, GASOLINE); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact..."
"The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The dealer was not contacted. The contact stated that the recall was initiated for more than a..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Lincoln Navigator | 21 | 2 | 4 | View 2015 Problems → |
| 2016 Lincoln Navigator | 25 | 0 | 4 | View 2016 Problems → |
| 2017 Lincoln Navigator | 30 | 2 | 5 | View 2017 Problems → |
| 2018 Lincoln Navigator | 52 | 0 | 12 | View 2018 Problems → |
| 2019 Lincoln Navigator | 73 | 3 | 10 | View 2019 Problems → |
| 2020 Lincoln Navigator | 31 | 2 | 13 | View 2020 Problems → |
| 2021 Lincoln Navigator Current Page | 31 | 2 | 12 | Current |
| 2022 Lincoln Navigator | 20 | 3 | 14 | View 2022 Problems → |
| 2023 Lincoln Navigator | 6 | 0 | 8 | View 2023 Problems → |
| 2024 Lincoln Navigator | 15 | 3 | 7 | View 2024 Problems → |
| 2025 Lincoln Navigator | 11 | 0 | 6 | View 2025 Problems → |
| 2026 Lincoln Navigator | 0 | 0 | 2 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 18 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Engine NHTSA category: ENGINE | 4 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 4 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 4 | 0 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 2 | 1 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 2 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,BACK OVER PREVENTION | 1 | 1 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| VISIBILITY,ENGINE | 1 | 0 | 0 | 0 | 0 |
| VISIBILITY/WIPER,ENGINE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2021 Lincoln Navigator
In official NHTSA consumer records, the most frequently cited issue area for the 2021 Lincoln Navigator is Fuel & Propulsion System, appearing in 7 records (22.6% of submitted filings).
Secondary reported categories include Engine & Cooling (7) and Powertrain & Transmission (5).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 31 consumer defect complaints and 12 safety recall campaigns for the 2021 Lincoln Navigator.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2021 Lincoln Navigator, 2 filings cite a crash, 0 cite smoke or fire, and 0 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.