2019 Mazda CX-9

The 2019 Mazda CX-9 is a mid-size, three-row SUV known for its stylish design, engaging driving dynamics, and upscale interior. It is powered by a single engine option, the 2.5-liter turbocharged four-cylinder engine, producing 227 horsepower and 310 lb-ft of torque (on 87 octane fuel) or 250 horsepower and 320 lb-ft of torque (on 93 octane fuel). This engine is paired with a six-speed automatic transmission. Owners often praise the CX-9’s responsive handling, comfortable seats, and premium feel. However, some criticisms include the smaller third-row space compared to competitors and potential issues with infotainment glitches.

Engine

2.5L Turbocharged Four-Cylinder

• Turbocharger Failure
  • Description/Symptoms: Some owners have reported premature turbocharger failure, leading to a loss of power, excessive smoke from the exhaust, and unusual noises from the engine bay.
  • Solution: Replacing the turbocharger.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Coolant Leak
  • Description/Symptoms: Coolant leaks occurring around the cylinder head or other engine components. Symptoms include low coolant levels, overheating, and a sweet smell coming from the engine bay.
  • Solution: Repairing or replacing gaskets, hoses, or the cylinder head depending on the source of the leak.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Transmission

Six-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Some owners have reported experiencing harsh or jerky shifts, particularly between lower gears. This can be accompanied by a noticeable “clunking” sound.
  • Solution: A software update to the transmission control module (TCM) may resolve the issue. In more severe cases, valve body replacement may be necessary.
  • Estimated Cost to Fix: $100 - $800+
  • Recalls: None Found

Suspension

No Issues Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The Mazda Connect infotainment system may freeze, crash, or become unresponsive. This can affect navigation, audio, and climate control functions.
  • Solution: Performing a system reset, updating the infotainment software, or replacing the infotainment unit.
  • Estimated Cost to Fix: $0 (reset) - $1,200+ (replacement)
  • Recalls: None Found
• Backup Camera Failure
  • Description/Symptoms: Some owners have experienced intermittent or complete failure of the backup camera, leading to a black screen or distorted image when reversing.
  • Solution: Replacing the backup camera unit or repairing wiring connections.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Automatic Liftgate Malfunction
  • Description/Symptoms: Issues with the automatic liftgate not opening or closing properly, sometimes accompanied by warning lights or error messages.
  • Solution: Diagnosing and replacing the liftgate motor, struts, or sensors.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Interior

• Rattling Noises
  • Description/Symptoms: Reports of rattling noises emanating from various locations within the interior, such as the dashboard, door panels, or rear cargo area.
  • Solution: Identifying the source of the rattle and securing or replacing loose components.
  • Estimated Cost to Fix: $50 - $200+ (depending on the source and repair)
  • Recalls: None Found

Summary:

The 2019 Mazda CX-9, while generally a reliable and well-regarded SUV, does have some common issues reported by owners. Engine-related problems like turbocharger failure and coolant leaks can be costly to repair. Electrical glitches, particularly with the infotainment system and backup camera, are also frequent complaints. Although less severe, interior rattles can be irritating. The severity and cost of these issues range from minor fixes to more substantial repairs, so prospective buyers should be aware of these potential problems and thoroughly inspect any used CX-9 before purchasing.