There are 1 owner-reported engine complaints for the 2021 Nissan Frontierin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Numerous complaints of problems with bad/defective engine mounts .
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