There are 1 owner-reported engine complaints for the 2019 Mazda Mazda6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Dear NHTSA, I am writing to submit a safety complaint regarding my 2019 Mazda 6 GTR. Below are the details of the issue: Vehicle Information: Make: Mazda Model: 6 GTR Year: 2019 VIN: [XXX] Problem Description: My vehicle began to overheat while driving. The vehicle has approximately 35,000 miles and has been meticulously maintained at authorized Mazda dealerships. Mazda Liberty is now asking me to pay approximately $10,000 for a new engine, while Mazda warranty declined to provide support, as I am two months past the warranty period. I have discovered that there are numerous complaints similar engine issues with Mazda vehicles, specifically related to coolant leaks and cylinder head cracks. Incident Details: Date of Incident: [XXX] Mileage at Incident: 35,000 miles Symptoms: Overheating, engine seizure Actions Taken: Topped up coolant, visited local garage and authorized dealership I believe this issue poses a significant safety risk, and I am seeking NHTSA's assistance in investigating this matter. Thank you for your attention to this serious issue. Sincerely, [XXX] Cell: [XXX] Email: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
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