2018 Lexus LC500

The 2018 Lexus LC 500 is a luxury grand tourer known for its stunning design, comfortable ride, and engaging driving experience. The primary engine option is the naturally aspirated 5.0L V8, producing 471 horsepower and 398 lb-ft of torque. A hybrid version, the LC 500h, is also available with a 3.5L V6 engine paired with an electric motor, producing a combined 354 horsepower. The LC 500 is praised for its aesthetics, interior craftsmanship, and the sound of its V8 engine. Some common complaints include the small rear seats, limited cargo space, and the infotainment system’s learning curve. The LC 500 came standard with a 10 speed automatic transmission.

Body

• Window Control Issues
  • Description/Symptoms: Window sometimes goes all the way up then goes back down, or doesn’t want to go up when using the automatic function of the switch.
  • Solution: Some owners have found success with recalibrating the window by holding the window button in the full up position for 10 seconds after the window is fully closed.
  • Estimated Cost to Fix: N/A
  • Recalls: None Found

Engine

5.0L V8

• No Issues Found

Transmission

Aisin AA80E 10-Speed Automatic

• No Issues Found

Suspension

• No Issues Found

Electrical

• Infotainment System Freezing/Lagging
  • Description/Symptoms: The infotainment system occasionally freezes, lags, or reboots unexpectedly. Navigation, audio, and other functions may be affected.
  • Solution: Software updates are typically recommended to address these issues. In some cases, a system reset or replacement of the infotainment unit may be required.
  • Estimated Cost to Fix: $0 (software update) - $1,500+ (infotainment replacement)
  • Recalls: None Found
• Navigation Map Errors
  • Description/Symptoms: Incorrect or outdated map data can lead to inaccurate navigation guidance.
  • Solution: Ensure the navigation system has the latest map updates installed.
  • Estimated Cost to Fix: $150 - $300 (for map updates)
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Rattling/Squeaking
  • Description/Symptoms: Rattling or squeaking noises emanating from the sunroof area, especially when driving over uneven surfaces.
  • Solution: Inspection and lubrication of the sunroof mechanism may resolve the issue. In some cases, adjustment or replacement of components may be necessary.
  • Estimated Cost to Fix: $50 - $500+
  • Recalls: None Found
• Dashboard/Trim Creaking/Rattling
  • Description/Symptoms: Creaking or rattling noises coming from the dashboard or other interior trim pieces, particularly in cold weather or on rough roads.
  • Solution: Identifying the source of the noise and applying felt tape or other sound-deadening materials to the affected area. Tightening loose fasteners can also help.
  • Estimated Cost to Fix: $20 - $200+

Summary:

The 2018 Lexus LC 500 appears to be a relatively reliable vehicle. The most frequently reported issues seem to revolve around electrical components (the infotainment system). Addressing these types of issues can range from free software updates to more costly component replacements. Overall, the reported issues are relatively minor in terms of reliability concerns for a luxury grand tourer.