Mazda MAZDA3
2021 only
41,845 sold in the US for 2021.
per 10,000 sold
2021 Mazda MAZDA3 have 63 classified complaints on record for that year specifically, plus 1 recall. The most common issue in this year is Driver-assist cameras, radar and calibration, typically surfacing around 1,700 miles.
Computed directly from stored federal records for 2021 model years only — not blended with the rest of this vehicle's production run. See the full Mazda MAZDA3 report for every year combined.
Where this year fits
What breaks, and when — 2021 only
Median onset: 1,700 miles.
More common in newer model years.
Onset mileage not consistently reported.
More common in older model years.
Onset mileage not consistently reported. 20.0% of these reported an injury, a death, or a crash with fire.
More common in newer model years.
Onset mileage not consistently reported.
More common in older model years.
Onset mileage not consistently reported.
More common in newer model years.
Onset mileage not consistently reported.
More common in older model years. · Typical repair: $750–$2,230 nationally.
Onset mileage not consistently reported.
More common in newer model years.
Onset mileage not consistently reported.
More common in older model years. · Typical repair: $260–$1,910 nationally.
From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.
Cost estimator: what will this one cost you?
Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.
Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2021 model year. See the full Mazda MAZDA3 report for every year and full specs/safety data.