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2021 Lincoln Navigator

2021 Lincoln Navigator

Overview

The 2021 Lincoln Navigator is a full-size luxury SUV known for its spacious interior, powerful performance, and upscale amenities. As a flagship model, Lincoln generally aims for high levels of refinement and reliability. This analysis focuses on documented technical issues beyond standard maintenance, examining common problem areas reported by owners and technicians. While the Navigator generally performs well, certain components and systems can experience issues that impact long-term ownership experience. This report details specific findings across key automotive categories to provide a clear picture of the 2021 model’s reliability.


Engine

3.5L EcoBoost V6 Twin-Turbo

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Transmission

10-Speed Automatic (10R80)

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Suspension

Adaptive Independent Air Suspension

Air Suspension Leaks/Compressor Failure

  • Symptoms: Vehicle sagging on one or more corners, ‘Service Air Suspension’ warning light, compressor running excessively.
  • Solution: Diagnosis and repair or replacement of leaking air springs, lines, or the air compressor unit.
  • Cost: $500 - $2500

Electrical

Infotainment System

System Freezes/Glitches

  • Symptoms: Touchscreen unresponsive, audio cutting out, navigation system errors, connectivity issues (Bluetooth/Apple CarPlay/Android Auto).
  • Solution: Software updates, hard resets, or potential replacement of the infotainment module.
  • Cost: $300 - $1500

Battery Drain

Premature Battery Failure

  • Symptoms: Difficulty starting, dead battery after sitting for short periods, electrical components malfunctioning.
  • Solution: Testing and replacement of the battery, investigation into parasitic draw issues.
  • Cost: $200 - $500

Exterior

No Major Issues

No Major Issues

  • Symptoms: No Major Issues
  • Solution: No Major Issues
  • Cost: N/A

Interior

No Major Issues

No Major Issues

  • Symptoms: No Major Issues
  • Solution: No Major Issues
  • Cost: N/A

Summary Verdict

The 2021 Lincoln Navigator generally presents a strong reliability profile, particularly with its powertrain. The 3.5L EcoBoost V6 and 10-speed automatic transmission are robust and have not shown widespread issues. However, potential owners should be aware of the adaptive air suspension, which can be a source of costly repairs if leaks or compressor failures occur. Electrical gremlins, specifically with the infotainment system and occasional battery drain, are also noted concerns that may require attention. Exterior and interior components are largely free of significant reported problems. Overall, while not immune to issues, the Navigator’s reliability is competitive for its class, with most concerns being manageable or related to specific luxury features.

This post is licensed under CC BY 4.0 by the author.