2008 Lexus LS600h

The 2008 Lexus LS600h is a full-size luxury hybrid sedan that combines a 5.0-liter V8 engine with an electric motor. This powertrain delivers a total system output of 438 horsepower and 385 lb-ft of torque, providing impressive acceleration and fuel economy for its class. While owners appreciate the LS600h for its smooth ride, luxurious interior, and advanced technology, some common complaints include the complexity of the hybrid system leading to expensive repairs, the relatively small trunk space due to the hybrid battery pack, and the high cost of replacement parts. There were no other engine or transmission options available for the 2008 model year LS600h.

Electric Motor

Hybrid Motor

• Hybrid Battery Failure
  • Description/Symptoms: The hybrid battery pack can degrade over time, leading to reduced fuel economy, decreased performance, and warning lights on the dashboard. The car may struggle to start or switch to electric mode.
  • Solution: Replacement of the hybrid battery pack.
  • Estimated Cost to Fix: $5,000 - $8,000+
  • Recalls: None Found
• Hybrid Inverter Failure
  • Description/Symptoms: The hybrid inverter converts DC power from the battery to AC power for the electric motor. Failure can result in the vehicle not starting, loss of power, or the hybrid system warning light illuminating.
  • Solution: Replacement of the hybrid inverter.
  • Estimated Cost to Fix: $4,000 - $6,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: The air suspension system can develop leaks or compressor failures, causing the vehicle to sag, ride unevenly, or display error messages related to the suspension.
  • Solution: Replacement of the air suspension compressor, struts, or air lines.
  • Estimated Cost to Fix: $1,500 - $4,000+ depending on the component.
  • Recalls: None Found
• Air Suspension Strut Leaks
  • Description/Symptoms: Leaks in the air struts will cause the car to sink overnight and/or have a bouncy ride.
  • Solution: Replacement of the struts.
  • Estimated Cost to Fix: $800 - $2000+ per strut.
  • Recalls: None Found

Electrical

• Navigation System Failure
  • Description/Symptoms: The navigation system screen may freeze, malfunction, or display incorrect information. The GPS may lose signal, or the system may fail to boot up.
  • Solution: Replacement or repair of the navigation system unit.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found
• Mark Levinson Audio System Issues
  • Description/Symptoms: The premium Mark Levinson audio system can experience issues with amplifier failure, speaker distortion, or complete loss of sound.
  • Solution: Repair or replacement of the amplifier, speakers, or wiring.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracking of the dashboard, especially in warmer climates. This is usually a cosmetic issue, but can affect resale value.
  • Solution: Replacement of the dashboard.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Rear Power Sunshade Malfunction
  • Description/Symptoms: The power rear sunshade may fail to retract or extend, or it may become stuck in one position.
  • Solution: Replacement or repair of the sunshade motor or mechanism.
  • Estimated Cost to Fix: $400 - $1,000+
  • Recalls: None Found

Summary

The 2008 Lexus LS600h, while a technologically advanced and luxurious vehicle, presents some common issues, particularly relating to its hybrid system and advanced features. Hybrid battery and inverter failures can be very expensive, posing a significant financial risk. Air suspension issues, while not as widespread, can also result in substantial repair bills. Interior and electrical issues are generally less critical but can detract from the overall ownership experience. Prospective buyers should thoroughly inspect the vehicle, paying close attention to the hybrid system, suspension, and electronics, and consider a pre-purchase inspection by a qualified mechanic.