Engine: models with the most complaints
57,543 owner complaints filed with NHTSA about engine. Model years with the most complaints:
What to check before buying
Cold start, unusual noises, oil leaks and engine codes.
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.