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2018 Lexus GS450h

2018 Lexus GS450h

The 2018 Lexus GS450h is a luxury hybrid sedan known for its impressive fuel efficiency, refined interior, and advanced technology. It comes with a single powertrain option: a 3.5-liter V6 engine paired with two electric motors, producing a combined 338 horsepower. The engine is paired with a continuously variable transmission (CVT).

Despite its reputation for reliability, the 2018 Lexus GS450h has faced some reported issues. These issues vary in severity and cost, and some have been addressed through recalls.

Engine

  • Engine Oil Leak
    • Description/Symptoms: Oil leaking from the engine, typically from the valve cover gaskets or oil pan gasket. This can cause oil level loss, engine overheating, and potential engine damage.
    • Solution: Repair or replacement of the leaking gasket(s).
    • Estimated Cost to Fix: $300 - $800+
    • Recalls: None Found

Transmission

  • CVT Transmission Shuddering
    • Description/Symptoms: Transmission shuddering or vibration during acceleration or deceleration. This can indicate a problem with the CVT belt or pulleys.
    • Solution: CVT fluid flush and filter replacement, or potential CVT replacement.
    • Estimated Cost to Fix: $500 - $2,000+
    • Recalls: NHTSA Campaign Number: 20V580000

Suspension

  • Front Suspension Noise
    • Description/Symptoms: Squeaking or rattling noises coming from the front suspension, typically while driving over bumps or rough roads. This can be caused by worn or damaged bushings or ball joints.
    • Solution: Replacement of the affected suspension component(s).
    • Estimated Cost to Fix: $200 - $500+ per component
    • Recalls: None Found

Electrical

  • Battery Discharge
    • Description/Symptoms: Battery discharge or failure, resulting in difficulty starting the vehicle. This can be caused by parasitic electrical drains or a failing battery.
    • Solution: Battery replacement or diagnosis and repair of the electrical system.
    • Estimated Cost to Fix: $200 - $1,000+
    • Recalls: None Found
  • Infotainment System Malfunction
    • Description/Symptoms: Touchscreen or other infotainment system controls not responding or freezing. This can be caused by software glitches or hardware failures.
    • Solution: Software updates or replacement of the infotainment unit.
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found

Exterior

  • Headlight Condensation
    • Description/Symptoms: Moisture or condensation forming inside the headlight housings. This can reduce headlight effectiveness and lead to premature failure.
    • Solution: Replacement of the headlight assembly.
    • Estimated Cost to Fix: $500 - $1,000+ per headlight
    • Recalls: NHTSA Campaign Number: 20V438000

Interior

  • Navigation System Inaccurate
    • Description/Symptoms: Navigation system providing inaccurate directions or failing to update. This can be caused by software glitches or map data issues.
    • Solution: Software updates or map data update.
    • Estimated Cost to Fix: Free - $200+
    • Recalls: None Found

Summary

Overall, the 2018 Lexus GS450h has a good reliability record, but it has experienced some reported issues. The severity of these issues varies, with some being relatively minor and others more significant and expensive to repair. Some issues have been addressed through recalls, highlighting the manufacturer’s commitment to safety and customer satisfaction. However, it’s important to note that these issues may not affect all models and may vary depending on individual driving habits and maintenance.

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