Avoid: No year grades F. Weakest: 2001
Best: 2000
3 model years of NHTSA owner complaints and recalls · How we grade
Across 6 model years, the Infiniti QX4 has 263 owner-filed NHTSA complaints and 19 recalls on record. The most-reported areas are suspension and steering. 2001 drew the most complaints (75), 1998 the fewest (29).
Source: NHTSA complaints and recalls filed for Infiniti QX4 vehicles (US, public record).
Complaint volume by model year. Raw NHTSA totals, not adjusted for sales volume or time on the road, so older and higher-selling years accumulate more. Every year links to its full breakdown.
Highest: 2001 (75 complaints). Lowest: 1998 (29).
The sentiment among owners is overwhelmingly positive, characterized by strong appreciation for the vehicle's durability, reliability, and comfort.
Including worn suspension components, failing lift supports for the rear hatch, and corrosion on battery terminals.
Can lead to collapse and loss of control; subject to a manufacturer recall/campaign.
The 3.5L V6 engine (VQ35DE) is noted as being prone to burning oil; requires regular level checks.
Issues with idle air control, throttle position sensors, mass air flow sensors, and potential vacuum leaks causing rough idle and acceleration hesitation.
Sporadic issues with door locks, windows, and other accessories mentioned as common in older examples.
Owner insights cover all generations of the QX4. Individual model years are broken down above.
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