2021 Infiniti Qx80: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2021 Infiniti Qx80? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 6 complaints, with Unintended Acceleration as the top reported area.
2021 Infiniti Qx80 Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 3 2021 Infiniti Qx80 trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 3 trims analysed.
2021 Infiniti Qx80 Safety Ratings
NHTSA 5-Star Program2 variants tested — showing 2021 Infiniti QX80 SUV AWDOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
21.9% rollover risk
Frontal Crash
Side Crash
Rollover
21.9% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2021 Infiniti Qx80 has 6 owner complaints, 0 crash-related complaints, and 2 recall campaigns on record. The most frequently reported component is Unintended Acceleration. NHTSA reliability signal: Good Record.
- Make
- Infiniti
- Model
- Qx80
- Model year
- 2021
- NHTSA owner complaints
- 6
- Crash-related complaints
- 0
- Safety recall campaigns
- 2
- Top reported component
- Unintended Acceleration
- Reliability signal
- Good Record
- EPA MPG combined
- 15
- EPA MPG city / highway
- 13 / 19
- Fuel type
- Premium Gasoline
- NHTSA overall safety rating
- 4/5 stars
- NHTSA frontal crash rating
- 3/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 3/5 stars
- Electronic stability control
- Standard
Most Common 2021 Infiniti Qx80 Problems
Top owner-reported complaint areas and where they often appear.
Unintended Acceleration
Engine Problems
Transmission / Drivetrain
Complaint patterns center on Unintended Acceleration, Engine Problems, Transmission / Drivetrain. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2021 Infiniti Qx80?
The 2021 Infiniti Qx80 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
What to Check Before Buying a Used 2021 Infiniti Qx80
Inspection Focus
- Test drive to check for unintended acceleration or hesitation.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and transmission repairs.
- Have a mechanic inspect throttle and engine control systems before purchase.
Before You Close the Deal
- Test drive to check for unintended acceleration or hesitation.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and transmission repairs.
- Have a mechanic inspect throttle and engine control systems before purchase.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2021 Infiniti Qx80, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
What the Complaint Data Suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on 6 complaints for the 2021 INFINITI QX80, issues are concentrated in unintended acceleration and engine problems, each with 2 reports. No crash-related complaints were filed. With low data volume, patterns should be interpreted cautiously.
- Unintended acceleration and engine problems each account for 2 of the 6 complaints.
- Transmission/drivetrain, fuel/propulsion system, visibility, headlight/taillight failures, and uncategorized issues each have 1 complaint.
- No crash-related complaints were reported for the 2021 model year.
- Unintended acceleration reports may indicate a potential issue with throttle or electronic control systems.
- Engine problems could involve stalling, loss of power, or other malfunctions.
- Transmission/drivetrain complaints suggest possible shifting or driveline concerns.
All 2021 Infiniti Qx80 Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2021 Infiniti Qx80. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Unintended Acceleration | 2 | — | — | — | |
| Engine Problems | 2 | — | — | — | |
| Transmission / Drivetrain | 1 | — | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Uncategorized Issues | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Real Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Infiniti Qx80. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
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 …
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…
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 repro…
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. Th…
The paint is peeling on my 2021 qx80 on the rear bumper and the grill is bubbling. Infiniti refused to cover it because we are out of the warranty. Might I ad only by a couple hundred miles.
2021 INFINITI QX80. CONSUMER WRITES IN REGARD TO REAR TURN SIGNALS BEING TO LOW ON VEHICLE CAUSING SAFETY CONCERNS.
Source: NHTSA Complaints Database. Real owner reports for the 2021 Infiniti Qx80.
2021 Infiniti Qx80 Recalls
2 campaignsNHTSA recall campaigns for the 2021 Infiniti Qx80. 2 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2021 Infiniti Qx80 Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2021 Infiniti Qx80 reliable?▾
Good Record. NHTSA currently shows 6 owner complaints, 0 crash-related complaints, and 2 recall campaigns for this model year. The 2021 Infiniti Qx80 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2021 Infiniti Qx80?▾
#1: Unintended Acceleration (2 complaints). #2: Engine Problems (2 complaints). #3: Transmission / Drivetrain (1 complaints)
At what mileage do problems start on the 2021 Infiniti Qx80?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2021 Infiniti Qx80?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Infiniti Qx80, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 6 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2021 Infiniti Qx80 have any recalls?▾
Yes. 2 NHTSA recall campaigns affect the 2021 Infiniti Qx80. A major recall area is FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE. 2 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2021 Infiniti Qx80?▾
The 2021 Infiniti Qx80 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Unintended Acceleration during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Infiniti Qx80 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2021 Infiniti Qx80 based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Check the Exact Vehicle History Before You Buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.