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What 3 owners told NHTSA about the 2020 Infiniti Q50

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (3)Brakes (1)Engine (1)Speed control (1)Transmission & drivetrain (1)

1 of 3 complaints match · Transmission & drivetrain · clear filters

Apr 1, 2026Transmission & drivetrain

Ever since I got the vehicle transmission is trying to give out on the vehicle takes too long to shift gears, takes more rpm to shift gears

NHTSA ODI 11728681

Working with the data? Download all 3 complaints as CSV · fetched from NHTSA July 14, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 Infiniti Q50 verdict →