2018 Lexus GS350

Introduction:

The 2018 Lexus GS350 is a mid-size luxury sedan that offers a smooth and composed ride. It is known for its well-appointed interior, advanced safety features, and reliable performance. The GS350 is powered by a 3.5-liter V6 engine mated to an eight-speed automatic transmission, producing 311 horsepower and 286 lb-ft of torque.

Engine

3.5L V6

• Premature Timing Chain Wear: This issue affects early production models of the GS350. It occurs when the timing chain becomes prematurely stretched or worn, causing abnormal engine noises, a lack of power, and potential engine failure.
  • Solution: Replace the timing chain and tensioner.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: #19V-892

Transmission

8-Speed Automatic

• Shifting Hesitation: Some owners have reported occasional hesitation or jerkiness during gear shifts.
  • Solution: Update the transmission software or replace the transmission valve body.
  • Estimated Cost to Fix: $200 - $1,000+

Suspension

• Rear Air Suspension Failure: The rear air suspension system may fail, resulting in a loss of ride height and suspension damping.
  • Solution: Replace the air suspension compressor or struts.
  • Estimated Cost to Fix: $1,500 - $3,000+

Electrical

• Battery Drain: Some owners have experienced excessive battery drain, causing difficulty starting the vehicle.
  • Solution: Inspect the battery and electrical system for faulty components, such as alternator or starter.
  • Estimated Cost to Fix: $100 - $500+

Exterior

• Sunroof Seal Failure: The sunroof may develop a faulty seal, leading to water leaks into the cabin.
  • Solution: Replace the sunroof seal.
  • Estimated Cost to Fix: $200 - $500

Interior

• Climate Control Malfunction: The climate control system may malfunction, causing inconsistent temperatures or fan operation.
  • Solution: Replace the climate control module or actuator
  • Estimated Cost to Fix: $500 - $1,500+

Summary:

Overall, the 2018 Lexus GS350 is a reliable vehicle with some minor issues. The premature timing chain wear issue should be addressed promptly, but other issues are relatively infrequent and inexpensive to fix. The interior issues and electrical problems are not significant, but the sunroof seal failure and suspension problems can be more costly to repair.