There are 1 owner-reported engine complaints for the 2018 Audi RS3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Water pump failure at 27,500 miles. Causing coolant leak that progressively got worse. The seal or pump itself failed and is letting coolant escape
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