2024 Lexus RX350

The 2024 Lexus RX 350 is a luxury SUV known for its comfortable ride, upscale interior, and reliability. It is available with several powertrain options, including a 2.4L turbocharged inline-4 engine producing 275 horsepower and 317 lb-ft of torque, a hybrid powertrain with a 2.5L inline-4 engine (RX 350h), and a plug-in hybrid powertrain (RX 450h+). Some common likes include the smooth ride, quiet cabin, and luxurious features. Some common dislikes include the somewhat uninspired handling and the occasionally cumbersome infotainment system. The 2.4L turbo engine is paired with an 8-speed automatic transmission.

Engine

2.4L Turbocharged Inline-4

• Turbocharger Failure
  • Description/Symptoms: Loss of power, excessive turbocharger noise (whining or whistling), check engine light. Some owners have reported premature turbocharger failure at relatively low mileage.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $2,000 - $3,500+
  • Recalls: None Found
• Engine Misfires
  • Description/Symptoms: Rough idling, hesitation upon acceleration, check engine light. This can be caused by faulty ignition coils, spark plugs, or fuel injectors.
  • Solution: Diagnosis to determine the cause of the misfire, followed by replacement of the faulty component.
  • Estimated Cost to Fix: $200 - $800+ depending on the component.
  • Recalls: None Found

Transmission

8-Speed Automatic Transmission

• Harsh Shifting
  • Description/Symptoms: Noticeable harsh or jerky shifts, especially during low-speed acceleration or deceleration. Some owners have described it as a “clunk” during shifts.
  • Solution: Software update to the transmission control module (TCM). If the problem persists, a transmission flush or valve body replacement may be required.
  • Estimated Cost to Fix: $150 - $1,500+ depending on the issue
  • Recalls: None Found
• Hesitation or Delay in Shifting
  • Description/Symptoms: A noticeable delay when shifting gears, particularly when accelerating from a stop or during passing maneuvers.
  • Solution: Software update to the transmission control module (TCM). If the problem persists, a transmission flush or valve body replacement may be required.
  • Estimated Cost to Fix: $150 - $1,500+ depending on the issue
  • Recalls: None Found

Suspension

• Noises
  • Description/Symptoms: Creaking or clunking noises coming from the suspension, especially when going over bumps or turning. This could be related to worn suspension components such as sway bar links, control arm bushings, or struts.
  • Solution: Inspection of the suspension components, followed by replacement of the worn parts.
  • Estimated Cost to Fix: $150 - $800+ per corner depending on the component.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Lagging
  • Description/Symptoms: The infotainment screen freezes, becomes unresponsive, or experiences significant lag. This can affect navigation, audio, and other vehicle functions.
  • Solution: Software update. If the problem persists, replacement of the infotainment unit may be necessary.
  • Estimated Cost to Fix: $0 (software update) to $1,500+ (unit replacement).
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring)
  • Description/Symptoms: Parking sensors malfunctioning or giving false alarms, blind spot monitoring system failing to detect vehicles.
  • Solution: Diagnosis of the faulty sensor, followed by replacement.
  • Estimated Cost to Fix: $200 - $800+ per sensor.
  • Recalls: None Found

Interior

• Rattling/Buzzing Noises
  • Description/Symptoms: Rattling or buzzing noises emanating from the dashboard, door panels, or rear cargo area, especially on rough roads.
  • Solution: Locating the source of the noise and securing the loose components or applying sound dampening material.
  • Estimated Cost to Fix: $50-$500 depending on whether it can be done yourself or requires a technician.
  • Recalls: None Found
• Malfunctioning Power Seats
  • Description/Symptoms: Power seats failing to adjust properly, getting stuck, or making unusual noises.
  • Solution: Diagnosis of the motor or switch. If the motor is bad, it will need to be replaced.
  • Estimated Cost to Fix: $100-$1000 depending on the repair.
  • Recalls: None Found

Exterior

• Automatic Tailgate Malfunction
  • Description/Symptoms: The automatic tailgate fails to open or close properly, gets stuck, or makes unusual noises.
  • Solution: Diagnosis and repair of the liftgate motor, struts, or sensors.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Summary

The 2024 Lexus RX 350, while generally reliable, has exhibited some common issues. The most concerning are potential turbocharger failures, which can be costly to repair. Transmission issues such as harsh shifting and hesitation have been reported, often requiring software updates or more extensive repairs. Electrical issues, particularly with the infotainment system and sensors, can also be frustrating for owners. Interior rattles and noises are a common complaint, while exterior issues can occur with the automatic tailgate. The severity and cost of these issues vary, but potential buyers should be aware of them and inspect the vehicle thoroughly before purchasing.