YearToAvoid

2021 Infiniti QX80 Problems, Recalls & Reliability

Verdict

Good

Complaint Index

36/100

#8 most-complained of 12 QX80 years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2021 Infiniti QX80 has 7 owner complaints and 3 safety recalls on file with NHTSA. Its Complaint Index is 36 out of 100 — #8 highest of 12 QX80 model years (verdict: Good). The most reported problem area is engine (2 complaints, 29% of the total).

Complaints
7
Recalls
3
Crashes / fires
0 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
4 / 5 ★
EPA combined MPG
15
13 city / 19 hwy

Top 2021 Infiniti QX80 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine2 (29%)
  2. Fuel System2 (29%)
  3. Electrical System1 (14%)
  4. Other1 (14%)
  5. Transmission & Powertrain1 (14%)
  6. Visibility & Wipers1 (14%)
2021 Infiniti QX80 complaints: complaints filed per month3Jan 2023Apr 2023Oct 2023Mar 2024Jan 2026Jul 2026
8 complaints filed with NHTSA from Jan 2023 to Jul 2026; peak Jan 2026 (3).

2021 Infiniti QX80 recalls

3 NHTSA recall campaigns list this model year.

  1. NHTSA 26V455000Jul 15, 2026Other168,149 vehicles

    Equipment:other:labels

    Nissan North America, Inc. (Nissan) is recalling certain 2020-2026 Nissan Armada, 2011-2013 Infiniti QX56, and 2014-2027 QX80 vehicles equipped with 22" wheels. The Gross Axle Weight Rating (GAWR) listed on the certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

    Risk: An overloaded vehicle can increase the risk of a crash.

    Remedy: Dealers will install new labels, free of charge. Additionally, Nissan will mail replacement labels to owners. Interim letters notifying owners of the safety risk were mailed September 2, 2026. Additional letters will be sent once the final remedy is available, anticipated Fall 2026. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's numbers for this recall are R26B1 and P6A13/4. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 16, 2026.

  2. NHTSA 21V599000Aug 2, 2021Collision Avoidance & Cameras3,569 vehicles

    Back over prevention:display function

    Nissan North America, Inc. (Nissan) is recalling certain 2021 Infinity Q50, Q60, and QX80 vehicles. A software error may deactivate the audio/video control unit screen, preventing the rear-view image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

    Risk: A rear-view camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.

    Remedy: Dealers will update the control unit software, free of charge. Owner notification letters were mailed September 14, 2021. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's number for this recall is R21A9.

  3. NHTSA 21V373000May 20, 2021Fuel System24,140 vehicles

    Fuel system, gasoline:delivery:fuel pump:control/drive module

    Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Nissan Armada and 2020-2021 INFINITI QX80 vehicles equipped with V8 engines. The impeller can swell and bind within the fuel pump module, causing it to fail.

    Risk: Fuel pump failure can cause an engine stall, increasing the risk of a crash.

    Remedy: Dealers will replace the fuel pump module, free of charge. Owner notification letters were mailed February 4, 2022. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's number for this recall is R21A2. Owners may contact INFINITI customer service at 1-800-662-6200. INFINITI's number for this recall is R21A3.

2021 Infiniti QX80 fuel economy and fuel cost

City
13 MPG
Highway
19 MPG
Combined
15 MPG
Annual fuel cost (EPA)
$5,300
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2021 compared with other QX80 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201420152016201720182019202020212022202320242025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2019Avoid9120215.5
2020Good276215.5
2021Good367315
2022No verdict01115
2023No verdict92115

All Infiniti QX80 years: best and worst →

Frequently asked questions

Is the 2021 Infiniti QX80 a reliable year?
Judged by NHTSA owner complaints and recalls, the 2021 Infiniti QX80 ranks #8 of 12 among QX80 model years (Complaint Index 36/100, verdict: Good). It has 7 complaints and 3 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2021 Infiniti QX80?
The most reported problem areas are engine (2 complaints), fuel system (2 complaints), and electrical system (1 complaints). The median mileage at the time of failure in complaints that report it is 62,000 miles.
Does the 2021 Infiniti QX80 have any recalls?
Yes — NHTSA lists 3 recall campaigns for the 2021 Infiniti QX80, most recently reported 2026, covering other, collision avoidance & cameras, and fuel system.
What is the fuel economy of the 2021 Infiniti QX80?
EPA rates the 2021 Infiniti QX80 at 15 MPG combined (13 city / 19 highway), with an estimated annual fuel cost of $5,300. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.