2024 Lexus IS350

The 2024 Lexus IS350 is a luxury sport sedan known for its stylish design, comfortable ride, and responsive handling. The IS350 comes standard with a 3.5-liter V6 engine producing 311 horsepower and 280 lb-ft of torque, paired with an eight-speed automatic transmission (RWD) or a six-speed automatic transmission (AWD). Other available engine options include a 2.0-liter turbocharged four-cylinder engine and a 3.5-liter V6 with lower output. Owners often praise the IS350 for its reliability, refined interior, and engaging driving experience. Common complaints center around the somewhat dated infotainment system, limited rear passenger space, and fuel economy that is not as good as some competitors.

Engine

3.5L V6

• Fuel Injector Failure
  • Description/Symptoms: Engine misfires, rough idling, reduced fuel economy, and potential engine damage if left unresolved. Some owners report a noticeable fuel smell.
  • Solution: Replacement of the faulty fuel injector(s).
  • Estimated Cost to Fix: $500 - $1000+ depending on the number of injectors needing replacement and labor costs.
  • Recalls: None Found

Transmission

8-Speed Automatic (RWD)

• Rough Shifting
  • Description/Symptoms: Abrupt or harsh shifts, especially between lower gears. Some owners have reported experiencing this issue more prominently when the transmission is cold.
  • Solution: A software update to the transmission control module (TCM) can sometimes resolve the issue. In more severe cases, replacement of valve body components or the entire transmission may be necessary.
  • Estimated Cost to Fix: $150 - $300 for a software update; $800 - $2000+ for valve body repair/replacement; $4000 - $7000+ for transmission replacement.
  • Recalls: None Found

Suspension

• Premature Wear of Suspension Components
  • Description/Symptoms: Clunking or rattling noises from the suspension, uneven tire wear, and degraded handling. This is more common in areas with poor road conditions or for owners who frequently drive aggressively.
  • Solution: Replacement of worn-out suspension components such as struts, shocks, control arms, or bushings.
  • Estimated Cost to Fix: $300 - $1500+ per corner depending on the specific components needing replacement and labor costs.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment screen freezes, becomes unresponsive, or restarts unexpectedly. This can affect navigation, audio, and climate control functions.
  • Solution: A software update from the dealership is often the first step. If the issue persists, replacement of the infotainment system’s head unit may be necessary.
  • Estimated Cost to Fix: $0 for a software update; $500 - $2000+ for head unit replacement depending on the complexity of the system.
  • Recalls: None Found

Exterior

• Automatic Emergency Braking System (AEB) False Positives
  • Description/Symptoms: The AEB system activates unnecessarily, causing the vehicle to brake suddenly even when there is no imminent collision. This can be startling and potentially dangerous.
  • Solution: Recalibration of the AEB system sensors by a certified technician. In some cases, sensor replacement may be required.
  • Estimated Cost to Fix: $100 - $500 for recalibration; $300 - $1000+ for sensor replacement.
  • Recalls: None Found

Interior

• Rattling/Buzzing Noises from Dashboard/Trim Pieces
  • Description/Symptoms: Annoying rattles or buzzing sounds emanating from the dashboard, door panels, or other interior trim pieces. These noises are often more noticeable on rough road surfaces.
  • Solution: Identification and insulation of the source of the noise. This may involve tightening fasteners, applying sound-deadening material, or replacing loose trim pieces.
  • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the issue and the time required to resolve it.
  • Recalls: None Found

Summary:

The 2024 Lexus IS350 appears to be a relatively reliable vehicle, but there are some issues owners may encounter. The most concerning issues seem to be related to the fuel injectors, transmission, and infotainment system. While some problems can be resolved with software updates or minor repairs, others may require more costly component replacements. Overall, the severity of the issues ranges from minor annoyances to potentially safety-related concerns. Potential buyers should be aware of these common complaints and factor them into their purchasing decision.