2023 INFINITI QX80

The 2023 INFINITI QX80 is a full-size luxury SUV known for its spacious interior, comfortable ride, and powerful V8 engine. It comes with a 5.6-liter V8 engine producing 400 horsepower and 413 lb-ft of torque, paired with a 7-speed automatic transmission. Owners generally appreciate the QX80’s opulent cabin, smooth ride, and ample passenger space. However, some common complaints include its dated technology, lower fuel economy compared to competitors, and large size making it difficult to maneuver in tight spaces.

Engine

5.6L V8

• Oil Consumption
  • Description/Symptoms: Some owners have reported excessive oil consumption, requiring more frequent oil changes or topping off the oil between changes. Symptoms include low oil level warning lights, engine knocking, and exhaust smoke.
  • Solution: The fix depends on the cause of the consumption. It may involve replacing valve seals, piston rings, or in severe cases, the entire engine.
  • Estimated Cost to Fix: $500 - $7,000+
  • Recalls: None Found
• Timing Chain Tensioner Failure
  • Description/Symptoms: Some owners have reported premature failure of the timing chain tensioner. This can cause a rattling noise, particularly on startup, and can lead to more severe engine damage if not addressed.
  • Solution: Replacing the timing chain tensioner. It’s often recommended to replace the entire timing chain assembly at the same time.
  • Estimated Cost to Fix: $2,000 - $4,000
  • Recalls: None Found

Transmission

7-Speed Automatic

• Rough Shifting
  • Description/Symptoms: Some owners have reported experiencing rough or jerky shifting between gears. This can be more noticeable at lower speeds or during acceleration.
  • Solution: In some cases, a transmission fluid flush and software update can resolve the issue. In other cases, valve body repair or replacement may be necessary.
  • Estimated Cost to Fix: $300 - $3,000+
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Transmission slipping, where the engine revs up but the vehicle doesn’t accelerate properly, can occur.
  • Solution: Replacing the transmission fluid might help in minor cases. More serious problems may require transmission repair or replacement.
  • Estimated Cost to Fix: $300 - $6,000+
  • Recalls: None Found

Suspension

• Air Suspension Issues (If Equipped)
  • Description/Symptoms: Models equipped with air suspension may experience issues with the air compressor, air struts, or height sensors. Symptoms include the vehicle sitting unevenly, ride height malfunctions, and error messages on the dashboard.
  • Solution: Replacing the faulty air suspension components, such as the compressor, struts, or sensors.
  • Estimated Cost to Fix: $500 - $3,000+ per component.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Lagging
  • Description/Symptoms: The infotainment system can sometimes freeze, lag, or become unresponsive. This can affect navigation, audio, and other vehicle functions.
  • Solution: Restarting the system or updating the software. In more severe cases, the entire unit might need replacement.
  • Estimated Cost to Fix: $0 - $1,500+
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring)
  • Description/Symptoms: Malfunctions in parking sensors or blind spot monitoring systems can occur, resulting in false alerts or complete system failure.
  • Solution: Diagnosing the specific sensor causing the problem and replacing it.
  • Estimated Cost to Fix: $200 - $800+ per sensor
  • Recalls: None Found

Exterior

• Automatic Tailgate Malfunctions
  • Description/Symptoms: The automatic tailgate may fail to open or close properly, or it may make unusual noises.
  • Solution: Repair or replacement of the tailgate motor, struts, or latch mechanism.
  • Estimated Cost to Fix: $300 - $1,200
  • Recalls: None Found

Interior

• Seat Motor Failure
  • Description/Symptoms: The seat motor can fail, which may prevent the seat from adjusting properly.
  • Solution: The solution is to replace the faulty seat motor.
  • Estimated Cost to Fix: $300 - $1,000
  • Recalls: None Found

Summary:

The 2023 INFINITI QX80 has some common issues. Engine issues can include oil consumption and timing chain tensioner problems, while transmission issues include rough shifting and slipping. Air suspension problems (if equipped) and electrical glitches with the infotainment system and sensors are also reported. The cost of these repairs can range from a few hundred dollars for minor fixes to several thousand for major engine or transmission work. While these issues should be considered, they are not necessarily indicative of every QX80, and a thorough inspection before purchase is advisable.