2015 Lexus GS350

The 2015 Lexus GS 350 is a mid-size luxury sedan known for its comfortable ride, elegant interior, and strong reliability. The GS 350 is equipped with a 3.5-liter V6 engine that produces 306 horsepower and 277 lb-ft of torque. It is paired with an 8-speed automatic transmission. Some owners praise the vehicle’s smooth power delivery, quiet cabin, and comfortable seats. Common complaints often revolve around the infotainment system’s complexity, the relatively small trunk space, and some aspects of the driver-assistance features.

Engine

3.5L 2GR-FSE V6

• Oil Leak from Timing Cover
  • Description/Symptoms: Oil leak near the front of the engine. This can be caused by a failing timing cover gasket or sealant. Symptoms include visible oil leaks, low oil level, and potential oil burning smell.
  • Solution: Replace the timing cover gasket or reseal the timing cover.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Transmission

Aisin TL-80SN 8-Speed Automatic

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing rough or delayed shifting, particularly when shifting at low speeds. There also may be hesitation when accelerating from a stop or when shifting into higher gears.
  • Solution: Perform transmission fluid service and software update of the transmission control module. If the issue persists, valve body replacement or transmission rebuild may be necessary.
  • Estimated Cost to Fix: $200 (fluid service) - $4000+ (rebuild)
  • Recalls: None Found

Suspension

• Premature Bushing Wear
  • Description/Symptoms: Owners may experience clunking or rattling noises from the suspension, particularly over bumps. This can be caused by worn control arm bushings or sway bar bushings.
  • Solution: Replacing the affected bushings.
  • Estimated Cost to Fix: $200 - $500 per bushing replaced.
  • Recalls: None Found

Electrical

• Navigation/Infotainment System Issues
  • Description/Symptoms: The Lexus infotainment system can sometimes freeze, be slow to respond, or have navigation errors. Some owners have also reported issues with Bluetooth connectivity and the radio.
  • Solution: Performing a system reset, updating the software, or replacing the head unit.
  • Estimated Cost to Fix: $0 (reset) - $200 (software update) - $1000+ (head unit replacement)
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Some owners have reported issues with the car battery draining quickly, especially if the vehicle is not driven for extended periods.
  • Solution: Check the charging system, ensure no accessories are left on, and replace the battery if necessary. Also check for parasitic drains (e.g., aftermarket electronics or faulty relays).
  • Estimated Cost to Fix: $150 - $300 (battery replacement), $100+ (diagnostics)
  • Recalls: None Found

Exterior

• Automatic High Beam Malfunction
  • Description/Symptoms: Automatic high beam system failing to dim when oncoming traffic is detected.
  • Solution: Recalibrate or replace the sensor.
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may stick, make excessive noise, or fail to open/close properly.
  • Solution: Lubricate sunroof tracks and check for obstructions. If problem persists, the sunroof motor or regulator may need to be replaced.
  • Estimated Cost to Fix: $50 - $100 (lubrication/cleaning), $500+ (motor/regulator replacement)
  • Recalls: None Found

Summary

The 2015 Lexus GS 350 is generally a reliable vehicle, but some owners have encountered issues ranging from minor infotainment glitches to more significant mechanical problems. While the potential oil leaks and transmission issues can be costly to repair, they do not appear to be widespread. Suspension bushing wear and electrical gremlins are also areas to watch out for. Overall, pre-purchase inspection by a qualified mechanic is recommended to identify any potential problems.