There are 2 owner-reported engine complaints for the 2018 Lexus RXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
1. Check engine light comes on. 2. Intelligent collision system (ICS) plashing while driving
Engine block #1 misfire , 02/gasoline ratio level problem
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 25, 2026