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Total NHTSA Complaints
7
Owner filings recorded
#1 Reported Problem
Fuel & Propulsion System
2 reports (28.6%)
Crash Incident Reports
0
Zero collision citations
Fire & Injury Reports
0
0 fire • 0 injury filings
Defect Investigation Analysis

Executive Problem Findings

AutoUtility currently tracks 7 official NHTSA owner defect complaints for the 2021 Infiniti QX80. Fuel & Propulsion System issues are the most frequently reported category, appearing in 2 complaints (28.6% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.

Methodology Notice: Consumer complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Filings are not normalized for sales volume or vehicle mileage and do not constitute an audited component failure rate.
Incident & Severity Profile
  • • Total Owner Reports: 7 complaints submitted under federal penalty.
  • • Primary Subsystem: Fuel & Propulsion System accounts for 28.6% of submissions (2 reports).
  • • Secondary Systems: Driver Assistance & Safety Tech (2), Engine & Cooling (2).
  • • Crash Incidents: 0 filings cite an impact or collision.
  • • Thermal Incidents: 0 filings cite smoke or fire.
  • • Reported Casualties: 0 injury filings • 0 fatality filings.
Category Distribution

Reported Defect Categories for 2021 Infiniti QX80

Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records

Fuel & Propulsion System
2
28.6%
Driver Assistance & Safety Tech
2
28.6%
Engine & Cooling
2
28.6%
Powertrain & Transmission
1
14.3%
Visibility, Wipers & Glass
1
14.3%
#1 28.6% SHARE

Fuel & Propulsion System

2 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
⚠️ 1 Associated Recall Campaign
#2 28.6% SHARE

Driver Assistance & Safety Tech

2 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
⚠️ 1 Associated Recall Campaign
#3 28.6% SHARE

Engine & Cooling

2 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
#4 14.3% SHARE

Powertrain & Transmission

1 owner complaint submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
Consumer Filings

Recent NHTSA Owner Reports for 2021 Infiniti QX80

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Fuel & Propulsion System ODI #11750272
Filed: 07/14/2026
Defect Report

"The vehicle loses power due to failure of fuel pump, this causes the vehicle to stall out whilst driving. exactly as described in [XXX] this is a known issue with 2021 Infiniti QX80 and Infiniti tells me there is no open recal for our vehicle. This is unsafe and dangerous. INFORMATION REDACTED..."

Driver Assistance & Safety Tech ODI #11711375
Filed: 01/16/2026
Defect Report

"I have been saying that my vehicle is a safety hazard since April 2022. I have had it to the dealer 4x since then in addition to opening up several cases with Inifiniti Customer Service, but nobody has been able to protect my family and I and remedy the situation. At times the vehicle will not..."

Driver Assistance & Safety Tech ODI #11709395
Filed: 01/07/2026
Defect Report

"This is a 2021 Vehicle, and beginning in April of 2022, I have been telling my dealer that there is something wrong, but they haven't been able to fix it. When I am driving, there are times when the car will fail to accelerate. Also at times it feels like I have been rear ended and the car lurches...."

Fuel & Propulsion System ODI #11575429
Filed: 03/04/2024
Defect Report

"What component or system failed or malfunctioned, and is it available for inspection upon request? Fuel Rail/ System Pressure too low How was your safety or the safety of others put at risk? Car engine could stall and increasing the risk of a crash Has the problem been reproduced or confirmed by a..."

Visibility, Wipers & Glass ODI #11550409
Filed: 10/17/2023
Defect Report

"The contact owns a 2021 Infiniti QX80. The contact stated while driving at approximately 65 MPH, the sunroof inadvertently exploded without impact. The contact stated that the sunroof was not being utilized and was covered and closed. The vehicle was not diagnosed or repaired. The dealer nor the..."

Multi-Year Trend

Complaint History for Infiniti QX80

Reported defect complaint volume across sibling model years (2015–2026)

Model Year NHTSA Complaints Crash Reports Safety Recalls Detailed Report
2015 Infiniti QX80 18 1 2 View 2015 Problems →
2016 Infiniti QX80 14 0 1 View 2016 Problems →
2017 Infiniti QX80 17 1 1 View 2017 Problems →
2018 Infiniti QX80 9 1 2 View 2018 Problems →
2019 Infiniti QX80 20 0 2 View 2019 Problems →
2020 Infiniti QX80 6 0 2 View 2020 Problems →
2021 Infiniti QX80 Current Page 7 0 3 Current
2022 Infiniti QX80 1 0 1 View 2022 Problems →
2023 Infiniti QX80 2 0 1 View 2023 Problems →
2024 Infiniti QX80 2 0 1 View 2024 Problems →
2025 Infiniti QX80 8 1 4 View 2025 Problems →
2026 Infiniti QX80 0 0 2 View 2026 Problems →
Exhaustive System Audit

Detailed NHTSA Component Breakdown for 2021 Infiniti QX80

Complete distribution of consumer defect reports across all 6 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Injury Entries Fatality Entries
Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM 2 0 0 0 0
EXTERIOR LIGHTING 1 0 0 0 0
POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE 1 0 0 0 0
Other / Uncategorized NHTSA category: UNKNOWN OR OTHER 1 0 0 0 0
VEHICLE SPEED CONTROL,ENGINE 1 0 0 0 0
Visibility / Glass NHTSA category: VISIBILITY 1 0 0 0 0
Search Intelligence

Quick Answers: Common Problems & Reliability Questions for the 2021 Infiniti QX80

Direct, deterministic answers synthesized from verified United States government databases for the 2021 Infiniti QX80

What are the most common reported problems with the 2021 Infiniti QX80?

In official NHTSA consumer records, the most frequently cited issue area for the 2021 Infiniti QX80 is Fuel & Propulsion System, appearing in 2 records (28.6% of submitted filings).

Secondary reported categories include Driver Assistance & Safety Tech (2) and Engine & Cooling (2).

Source: NHTSA Office of Defects Investigation (ODI)

Is the 2021 Infiniti QX80 a reliable vehicle?

AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 7 consumer defect complaints and 3 safety recall campaigns for the 2021 Infiniti QX80.

Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.

Source: NHTSA ODI & Safety Recalls Databases

Are there crash, fire, or injury reports associated with the 2021 Infiniti QX80?

Consumer complaint records on file with NHTSA for the 2021 Infiniti QX80 cite zero crashes, zero fires, and zero injuries.

Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.

Source: NHTSA Office of Defects Investigation Consumer Logs
Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.