2014 Lexus GS450h

The 2014 Lexus GS450h is a luxury hybrid sedan that boasts a blend of performance and fuel efficiency. It is powered by a 3.5-liter V6 engine paired with an electric motor, producing a combined 338 horsepower and 254 lb-ft of torque. Other GS models in 2014 included the GS 350, which offered a traditional gasoline engine. GS owners often appreciate the car’s smooth ride, comfortable interior, and Lexus’s reputation for reliability. Common dislikes typically revolve around the infotainment system, which some find dated or cumbersome.

Electric Motor

Hybrid System

• Hybrid Battery Degradation/Failure
  • Description/Symptoms: Reduced fuel economy, warning lights (e.g., “Check Hybrid System”), diminished electric motor assist, and potentially complete battery failure, rendering the hybrid system inoperable.
  • Solution: Replacement of the hybrid battery pack.
  • Estimated Cost to Fix: $3,000 - $7,000+ depending on dealer, aftermarket options, and battery condition.
  • Recalls: None Found

Electrical

• Navigation/Infotainment System Issues
  • Description/Symptoms: Freezing, slow response times, screen malfunctions, Bluetooth connectivity problems, and issues with the navigation system.
  • Solution: Software updates or replacement of the head unit.
  • Estimated Cost to Fix: $100 - $300+ for software updates; $1,000 - $3,000+ for head unit replacement.
  • Recalls: None Found
• Sensor failures (O2 Sensors, Mass Airflow, etc.)
  • Description/Symptoms: Check engine light, poor fuel economy, rough idle, stalling.
  • Solution: Replacement of faulty sensor.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Low Tire Pressure Warning Light Issues
  • Description/Symptoms: False warnings, system malfunctions, difficulty resetting the system.
  • Solution: TPMS sensor replacement, system reset/recalibration, or addressing wiring issues.
  • Estimated Cost to Fix: $50 - $200+ per sensor; $50 - $150+ for system reset/recalibration.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof sticking, motor failure, water leaks.
  • Solution: Lubrication, motor replacement, or sunroof assembly repair/replacement.
  • Estimated Cost to Fix: $50 - $200+ for lubrication; $300 - $800+ for motor replacement; $500 - $1500+ for assembly repair/replacement.
  • Recalls: None Found

Exterior

• No Issues Found

Suspension

• No Issues Found

Summary

The 2014 Lexus GS450h presents a mix of potential issues, primarily centered around the hybrid system and electrical components. The hybrid battery degradation is the most significant concern, potentially leading to a substantial repair bill. Infotainment and sensor issues are also fairly common, although typically less costly to resolve. Considering these issues, potential buyers should prioritize a thorough inspection of the hybrid system and electrical components before purchasing a used 2014 GS450h.