2020 INFINITI QX80

2020 INFINITI QX80

The 2020 INFINITI QX80 is a full-size SUV that offers plenty of space, luxury, and power. It comes standard with a 5.6-liter V8 engine that produces 400 horsepower and 412 lb-ft of torque. A 7-speed automatic transmission and rear-wheel drive are standard, while four-wheel drive is available.

People like the QX80 for its spacious interior, powerful engine, and comfortable ride. However, some have complained about its poor fuel economy, lack of modern features, and high price.

Engine

5.6L V8

• Intake Valve Deposits: Carbon buildup on the intake valves can cause misfires, reduced power, and rough idle.
  • Solution: Remove and clean the intake valves.
  • Estimated Cost to Fix: $500 - $1,000+
• Timing Chain Failure: A faulty timing chain can cause the engine to run rough, lose power, or stall.
  • Solution: Replace the timing chain and related components.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Transmission

7-Speed Automatic

• Shifting Problems: Some QX80s have experienced hard or delayed shifting, slipping gears, or complete transmission failure.
  • Solution: Replace the transmission fluid, solenoids, or the entire transmission.
  • Estimated Cost to Fix: $1,000 - $5,000+
  • Recalls: None Found

Suspension

• Front Strut Failure: Worn or damaged front struts can cause a loss of stability, reduced ride comfort, and premature tire wear.
  • Solution: Replace the front struts.
  • Estimated Cost to Fix: $500 - $1,000+
• Rear Spring Sagging: Over time, the rear springs can sag, causing the vehicle to ride lower in the rear and reduce its load-bearing capacity.
  • Solution: Replace the rear springs.
  • Estimated Cost to Fix: $500 - $1,000+

Electrical

• Battery Drain: Some QX80s have experienced a rapid battery drain, leaving them unable to start.
  • Solution: Find and fix the source of the parasitic drain, such as a faulty electrical component.
  • Estimated Cost to Fix: $100 - $500+
• Infotainment System Issues: The infotainment system may experience glitches, freezes, or connectivity problems.
  • Solution: Update the software or replace the infotainment unit.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Chrome Trim Peeling: The chrome trim on the exterior of the QX80 may peel or flake off over time.
  • Solution: Replace the affected trim pieces.
  • Estimated Cost to Fix: $500 - $1,000+

Interior

• Sunroof Leaks: The sunroof may develop leaks, allowing water to enter the cabin.
  • Solution: Inspect and seal the sunroof gaskets.
  • Estimated Cost to Fix: $100 - $500+
• Cracked Dashboard: The dashboard may develop cracks or distortions due to sun exposure.
  • Solution: Replace the dashboard.
  • Estimated Cost to Fix: $500 - $1,500+

Summary

The 2020 INFINITI QX80 is a luxurious and powerful SUV, but it has been plagued by a number of reliability issues. The most severe and costly issues include engine intake valve deposits, timing chain failure, transmission problems, and suspension failures. While some issues can be resolved with relatively minor repairs, others can be quite expensive to fix.