There are 1 owner-reported engine complaints for the 2018 MINI Cooperin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Took car into mini dealer for clunking noise problem. Dealer indicated motor mounts were cracked and needed to be replaced. Another customer at dealer was also having motor mounts replaced. His car was also 4 yrs old with 32K miles on it. Mount replacement was not covered under warranty as the car was 4 yrs and 3 months since warranty was activated and coverage ended at 4 yrs.
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