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

Confirm the critical fuel pump module recall (21V373000) has been completed; this addresses potential impeller swelling and pump failure.

How many recalls does the 2021 Infiniti QX80 have?

The 2021 Infiniti QX80 currently has 3 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 Infiniti QX80 a good buy used?

Verdict: Proceed with caution. Confirm the critical fuel pump module recall (21V373000) has been completed; this addresses potential impeller swelling and pump failure. Verify the rear-view camera display software update recall (21V599000) has been applied to ensure proper functionality. Expect substantial fuel costs due to the 5.6L V8 engine and its 15 MPG combined rating. The absence of owner complaints in NHTSA data is positive, but does not negate the importance of addressing documented recalls. Given its average reliability verdict, a pre-purchase inspection by a trusted mechanic is highly recommended. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 Infiniti QX80?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 Infiniti QX80.

2021 Infiniti QX80 Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 4, 2026Ryan Davis1 Critical Recall

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

Confirm the critical fuel pump module recall (21V373000) has been completed; this addresses potential impeller swelling and pump failure.
Verify the rear-view camera display software update recall (21V599000) has been applied to ensure proper functionality.
Expect substantial fuel costs due to the 5.6L V8 engine and its 15 MPG combined rating.
The absence of owner complaints in NHTSA data is positive, but does not negate the importance of addressing documented recalls.

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Overview

2021 Infiniti QX80

The 2021 Infiniti QX80 presents itself as a capable, full-size luxury SUV with a commanding presence and a potent V8 engine. It prioritizes passenger comfort and cargo versatility, making it a strong contender for families or those needing significant hauling capacity. However, its age means thorough inspection is crucial, especially concerning a critical fuel pump recall that requires verification of completion. Fuel economy is a notable consideration for this vehicle class.

Critical Failure Risk

A critical recall (21V373000) addresses the fuel pump module. Impeller swelling can lead to pump failure, causing the engine to stall.

Early detection can help you avoid a $800-$1,500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls3

Service Bulletins0

Full Recall History →

Owner Complaints

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Families needing ample passenger and cargo space.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers concerned about fuel expenses.

+2 more buyer-fit warnings in the full report

2021 Infiniti QX80 Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 7
Transmission: Automatic
Drivetrain: 4-Wheel Drive
Body Style: Suv
EPA Combined MPG: 15

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Most Common Issues

1. Fuel Pump Module Failure

Most reported

Usage data observed

2. Rear-View Display Malfunction

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change and Filter Replacement (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Power Steering, Washer)

Est. shop cost: $150 - $250

5,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (5 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

3 recall campaign details & remedy notes

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FAQ

Is the 2021 Infiniti QX80 reliable?

The CarFocal Reliability Score for the 2021 Infiniti QX80 is 8.4/10. Reliability score is 8.4/10. NHTSA recalls: 3. Owner complaints: 0.

How practical is the 2021 Infiniti QX80 for daily use?

Practicality score is 3.5/10. The score is mainly limited by high fuel consumption. EPA combined economy is 15 MPG. Seating capacity is 7.

What is the overall score for the 2021 Infiniti QX80?

The CarFocal Overall Score for the 2021 Infiniti QX80 is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 85%. Maintenance 8.3/10. Practicality 3.5/10.

What does it cost to own and maintain a 2021 Infiniti QX80?

Based on Carfocal's data, First listed service: - Oil Change and Filter Replacement (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Power Steering, Washer) at 5,000 miles. Estimated first-year maintenance: $300 - $500. Repair prediction highlight: Fuel Pump Module (typical at 75,000 miles, estimated cost Min: $800 • Max: $1,500).

What engine is in the 2021 Infiniti QX80?

Engine specs list 8 • 5.6.

What transmission does the 2021 Infiniti QX80 use?

According to CarFocal's specs for the 2021 Infiniti QX80, transmission is Automatic. The paired drivetrain is 4-Wheel Drive.

Does the 2021 QX80 require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 Infiniti QX80?

EPA combined estimate is 15 MPG.

What driver assistance and safety features are available on the 2021 Infiniti QX80?

15 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 Infiniti QX80?

According to CarFocal's specs for the 2021 Infiniti QX80, seating capacity is 7.

What body style is the 2021 Infiniti QX80?

According to CarFocal's specs for the 2021 Infiniti QX80, body style is suv.

What drivetrain does the 2021 Infiniti QX80 use?

According to CarFocal's specs for the 2021 Infiniti QX80, drivetrain is 4-Wheel Drive. Transmission is Automatic.

What are the NHTSA safety ratings for the 2021 Infiniti QX80?

NHTSA ratings: Overall 4/5 • Frontal 3/5 • Side 5/5 • Rollover 3/5.

Are there open safety recalls on the 2021 Infiniti QX80?

This model year has 3 official safety campaigns listed.

Should buyers consider alternatives to the 2021 Infiniti QX80?

Alternatives listed in this guide: 2021 Cadillac Escalade and 2021 Lincoln Navigator.