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2006 Lexus LS430

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By Research the Car 2 min read

2006 Lexus LS430

Overview

The 2006 Lexus LS430 is renowned for its exceptional build quality and long-term reliability, a hallmark of Lexus engineering during this era. This luxury sedan was designed with durability in mind, utilizing robust components and meticulous assembly. Owners generally report a very positive ownership experience with minimal unexpected repairs. While no vehicle is entirely immune to issues, the LS430 stands out for its low incidence of major mechanical or electrical failures, making it a strong contender for those seeking a dependable used luxury car. Routine maintenance is key to preserving its legendary status.

Engine

4.3L V8 (3UZ-FE)

No Major Issues

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

Transmission

6-Speed Automatic (A760E)

No Major Issues

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

Suspension

Standard Suspension

No Major Issues

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

Adaptive Variable Suspension (AVS)

AVS Actuator Failure

  • Symptoms: Warning lights on the dashboard, uneven ride height, or a harsh ride.
  • Solution: Replacement of the faulty AVS actuator.
  • Cost: $500 - $1200

Electrical

General Electrical System

No Major Issues

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

Outdated Navigation Data

  • Symptoms: Inaccurate map data, inability to find newer addresses.
  • Solution: Update to the latest available map disc or consider aftermarket navigation integration.
  • Cost: $100 - $300

Exterior

Body and Paint

No Major Issues

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

Headlight Lenses

Headlight Lens Hazing/Yellowing

  • Symptoms: Cloudy or yellowed plastic headlight lenses, reducing light output.
  • Solution: Professional restoration or replacement of headlight assemblies.
  • Cost: $150 - $500

Interior

Leather Upholstery

No Major Issues

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

Climate Control System

Blend Door Actuator Failure

  • Symptoms: Inability to control temperature or direct airflow correctly (e.g., only hot air or cold air from certain vents).
  • Solution: Replacement of the faulty blend door actuator.
  • Cost: $300 - $700

Summary Verdict

The 2006 Lexus LS430 is a highly reliable luxury sedan with a strong track record. Its 4.3L V8 engine and 6-speed automatic transmission are exceptionally durable, with no widespread issues reported. The primary areas where minor concerns might arise are the Adaptive Variable Suspension (AVS) system, particularly the actuators, and potential issues with older navigation systems or exterior headlight lens clarity. Interior climate control blend doors can also be a point of failure. However, these are relatively minor compared to the overall robust engineering. With proper maintenance, the LS430 offers an ownership experience characterized by dependability and comfort.

Lexus, LS430
Lexus LS430 2006
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