There are 2 owner-reported fuel system complaints for the 2023 Kia Niroin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Forward Collision System: When stopped or at low speeds, the vehicle’s forward collision warning will activate for short intervals (roughly 1-2 seconds) randomly. Hybrid Battery: The vehicle won’t go below 50% battery on the hybrid battery and the engine unnecessarily turns on to charge back to 90% when hitting 50% rather the exercising a wider range on the battery such as 20-80%
While slowing down (without bringing it to a full stop) to make a left turn, car dies, losses all propulsion power just coasts. First it happened intermittently than more often. First it happened in low speed later even with highway speed. After bringing it to a park position and restarting car it will run fine until another incident.
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