FaultScore

Worst years for a Infiniti QX50

Owners have filed 394 complaints about the Infiniti QX50 with NHTSA across model years 2014 to 2025. More of them are about the engine & cooling than anything else.

Avoid

2019 Infiniti QX50

195 complaints — the highest FaultScore of any year, mostly engine & cooling.

Cleanest on record

2024 Infiniti QX50

10 complaints — the lowest FaultScore of the graded years.

Every Infiniti QX50 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2025 3 0 0 Engine & Cooling
2024 A 10 0 1 Driver Assist & Collision Avoidance
2023 7 0 0 Transmission & Drivetrain
2022 C 22 1 1 19,999 Electrical System
2021 C 59 4 0 71,000 Engine & Cooling
2020 C 45 0 0 3,650 Engine & Cooling
2019 D 195 7 1 24,000 Engine & Cooling
2017 B 16 1 0 23,000 Airbags
2016 C 29 6 6 50,900 Other & Unspecified
2015 3 0 0 Engine & Cooling
2014 5 3 0 Fuel & Propulsion

What breaks on a Infiniti QX50

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Engine & Cooling 138 35.0%

Worst in 2019

Worst in 2019

Worst in 2019

Worst in 2019

Worst in 2019

Brakes 22 5.6%

Worst in 2019

Fuel & Propulsion 18 4.6%

Worst in 2019

Acceleration & Cruise Control 13 3.3%

Worst in 2019

Airbags 8 2.0%

Worst in 2016

Body & Structure 8 2.0%

Worst in 2019

Seats 7 1.8%

Worst in 2019

Steering 6 1.5%

Worst in 2019

Windows, Mirrors & Wipers 5 1.3%

Worst in 2017

Lights 4 1.0%

Worst in 2015

Exactly what failed on a Infiniti QX50

The named sub-assemblies behind those complaints, across every model year.

Automatic Emergency Braking 26 44.1%
Warnings 15 25.4%
Body 8 13.6%
Rearview System Braking 3 5.1%
Horn 2 3.4%
Navigation System/Software 1 1.7%
Warning 1 1.7%
Pedestrian/Cyclist/Object/Obstacle/ Recognition 1 1.7%
Assist 1 1.7%
Driver Clockspring/Spiral Cassette 1 1.7%

Complaints filed over time

Every complaint about every Infiniti QX50, by the month it reached NHTSA.

Dec 2014 peak 26 Aug 2026

Compare the Infiniti QX50

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.