2015 Lexus IS350

Introduction

The 2015 Lexus IS350 is a luxury sports sedan that offers a blend of performance and refinement. It comes equipped with a 3.5-liter V6 engine that produces 306 horsepower and 277 lb-ft of torque, paired with an eight-speed automatic transmission. The IS350 is known for its sharp handling, comfortable interior, and advanced safety features. However, like any vehicle, it has its fair share of issues.

Engine

• 3.5L V6 Engine
  • Intake Valve Carbon Buildup
    • Description/Symptoms: Accumulated carbon deposits on the intake valves can restrict airflow and reduce engine performance, leading to rough idling, decreased acceleration, and increased fuel consumption.
    • Solution: Cleaning the intake valves manually or using chemical additives.
    • Estimated Cost to Fix: $200 - $500+
    • Recalls: None Found
  • Oil Consumption
    • Description/Symptoms: Excessive oil consumption, requiring frequent top-ups.
    • Solution: Piston ring replacement or engine rebuild.
    • Estimated Cost to Fix: $3,000 - $7,000+
    • Recalls: None Found

Transmission

• 8-Speed Automatic Transmission
  • Shifting Hesitations
    • Description/Symptoms: Delays or rough shifts between gears.
    • Solution: Transmission fluid change or reprogramming the transmission control module.
    • Estimated Cost to Fix: $150 - $500+
    • Recalls: None Found

Suspension

• Rear Lower Control Arm Bushings
  • Description/Symptoms: Worn or damaged rear lower control arm bushings can cause knocking noises, poor handling, and premature tire wear.
  • Solution: Replacing the bushings.
    • Estimated Cost to Fix: $500 - $800+
    • Recalls: None Found

Electrical

• Battery Discharge
  • Description/Symptoms: Battery drains prematurely, requiring frequent recharging or jump-starts.
  • Solution: Checking for parasitic draw from electrical components or replacing the battery.
    • Estimated Cost to Fix: $100 - $500+
    • Recalls: None Found

Exterior

• Rear Window Seal Leaks
  • Description/Symptoms: Water leaking into the trunk or around the rear window.
  • Solution: Replacing the rear window seal.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Interior

• Climate Control Malfunctions
  • Description/Symptoms: Failure of the climate control system to regulate temperature or airflow properly.
  • Solution: Replacing the climate control module or repairing wiring issues.
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found
• Dashboard Rattle
  • Description/Symptoms: Noises coming from the dashboard due to loose components.
  • Solution: Tightening or replacing loose parts.
    • Estimated Cost to Fix: $200 - $500+
    • Recalls: None Found

Summary

The 2015 Lexus IS350 generally has a good reliability record, but it is not without its issues. While some problems are relatively common and inexpensive to fix, such as shift hesitations and climate control malfunctions, others can be more severe and costly, like engine oil consumption and intake valve carbon buildup. Overall, the IS350 is a solid vehicle, but potential owners should be aware of these potential problems before making a purchase decision.