2018 Hyundai Sonata

Introduction

The 2018 Hyundai Sonata is a mid-size sedan available with a variety of engine and transmission options. It is known for its spacious interior, comfortable ride, and impressive fuel economy. However, like all vehicles, the 2018 Sonata has some potential issues that owners should be aware of.

Engine

• 2.0L GDI (150 hp, 138 lb-ft torque)
  • Engine Knock: Rattling or knocking noise from the engine when accelerating or under load.
    • Solution: Replace engine block and pistons.
    • Estimated Cost to Fix: $6,000 - $10,000+
    • Recalls: None Found
  • Excessive Oil Consumption: Burning excessive oil, requiring frequent top-ups.
    • Solution: Replace piston rings and oil seals.
    • Estimated Cost to Fix: $1,500 - $2,500
    • Recalls: None Found
• 2.4L GDI (185 hp, 178 lb-ft torque)
  • Throttle Body Failure: Engine stalling or reduced power due to a malfunctioning throttle body.
    • Solution: Replace throttle body.
    • Estimated Cost to Fix: $500 - $700
    • Recalls: None Found
• 1.6L Turbo (178 hp, 201 lb-ft torque)
  • Turbocharger Wastegate Failure: Loss of power or increased engine noise due to a failed wastegate.
    • Solution: Replace turbocharger.
    • Estimated Cost to Fix: $2,000 - $3,000
    • Recalls: None Found

Transmission

• 6-Speed Automatic (2.0L and 2.4L engines)
  • Shifting Problems: Difficulty shifting gears or delayed shifts.
    • Solution: Replace transmission control module or transmission solenoid.
    • Estimated Cost to Fix: $500 - $1,200
    • Recalls: None Found
• 8-Speed Automatic (1.6L Turbo engine)
  • Transmission Shudder: Vibration or shuddering when shifting gears.
    • Solution: Update transmission software or replace transmission valve body.
    • Estimated Cost to Fix: $500 - $2,000
    • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery Drain: Battery discharging prematurely or failing to hold a charge.
  • Solution: Replace battery or alternator.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found
• BCM Failure: Electrical problems, including starting issues, component malfunction, or flickering lights.
  • Solution: Replace body control module.
  • Estimated Cost to Fix: $800 - $1,500
  • Recalls: NHTSA Campaign Number 20V117000

Exterior

• Door Handle Corrosion: Corrosion or pitting on exterior door handles.
  • Solution: Replace door handles.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Interior

• Sun Visor Breakage: Sun visors breaking or falling off.
  • Solution: Replace sun visors.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: NHTSA Campaign Number 20V398000
• HVAC Malfunction: Heating or air conditioning system not working properly.
  • Solution: Diagnose and repair HVAC system components.
  • Estimated Cost to Fix: Varies widely

Summary

The 2018 Hyundai Sonata is generally a reliable vehicle. However, like all cars, it has potential issues that buyers should be aware of. The most common issues include engine knock, excessive oil consumption, and battery drain. While these issues can be costly to repair, they are not as severe as some problems found in other vehicles. Overall, the 2018 Sonata remains a solid choice for those seeking a spacious and fuel-efficient sedan.