There are 1 owner-reported speed control & cruise complaints for the 2018 Infiniti Q50in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
My car wouldnt start and when it did, it would start shaking and every time I accelerate, The speed wasnt going any faster but only the RPMs were
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026