Post
Research the Car Logo

2020 INFINITI QX70

Introduction

The 2020 INFINITI QX70 is a luxury midsize SUV that offers a potent engine and a comfortable cabin. It comes equipped with a 3.7-liter V6 engine producing 325 horsepower and 267 lb-ft of torque, paired with a 7-speed automatic transmission. While the QX70 boasts sleek styling and a well-equipped interior, it has been known for its reliability issues.

Engine

3.7L V6

  • Excessive Oil Consumption: Reports of excessive oil consumption, leading to frequent top-offs and potential engine damage.
  • Timing Chain Tensioner Failure: Failure of the timing chain tensioner can cause rattling noises, reduced engine performance, and eventually engine failure.
  • Valve Cover Gasket Leak: Leaking valve cover gaskets can result in oil leaks and potential engine damage.

Transmission

7-Speed Automatic

  • Transmission Slippage: Reports of transmission slippage, especially during acceleration or gear changes.
  • Hard Shifting: Rough or delayed gear changes, indicating potential transmission issues.
  • Torque Converter Failure: Failure of the torque converter can lead to loss of power and transmission failure.

Suspension

  • Rear Differential Mount Failure: Failure of the rear differential mount can cause vibrations and abnormal noises while driving.
  • Strut Assembly Leaks: Leaks from the strut assemblies can lead to reduced suspension performance and potential stability issues.
  • Coil Spring Failure: Broken or weak coil springs can cause sagging or reduced suspension height.

Electrical

  • Battery Discharge: Reports of premature battery discharge, leading to difficult starts or complete vehicle failure.
  • Electrical Short: Electrical shorts can cause various electrical issues, such as malfunctioning gauges, lights, or power windows.
  • ECU Failure: Failure of the Engine Control Unit (ECU) can lead to performance issues, engine stalls, and potential vehicle damage.

Exterior

  • Sunroof Leaks: Leaks from the sunroof can cause water intrusion into the cabin, damaging electronics or upholstery.
  • Rust Underneath: Reports of premature rust development underneath the vehicle, especially in areas exposed to salt or moisture.
  • Trim Cracking: Cracking or fading of exterior trim pieces, compromising the vehicle’s appearance.

Interior

  • Navigation System Malfunctions: Reports of navigation system malfunctions, including frozen screens or inaccurate route guidance.
  • Climate Control Issues: Malfunctioning climate control systems can result in inconsistent temperatures or failure to heat or cool the cabin.
  • Seat Heater Failure: Failure of the seat heaters can leave passengers uncomfortable in cold weather.

Summary

While the 2020 INFINITI QX70 offers a luxurious and powerful driving experience, it has been plagued by numerous reliability issues. Concerns with the engine, transmission, and electrical systems are particularly common, which can compromise performance and safety. The severity and cost of these issues can vary depending on the specific problem and the extent of the damage. It is recommended that potential buyers thoroughly research the vehicle’s known problems before making a purchase decision.

This post is licensed under CC BY 4.0 by the author.