2021 Mazda Mazda3 — Problems & Complaints
NHTSA has 54 owner complaints on file for this vehicle. Every report below was filed by a real owner with the US government's road-safety agency.
Mazda Mazda3 — Complaints by Model Year
Years flagged AVOID have at least twice this model's average complaint count — the strongest public-data signal of a bad year.
138 complaints
129 complaints
103 complaints
83 complaints
109 complaints
74 complaints
32 complaints
54 complaints
24 complaints
12 complaints
12 complaints
0 complaints
0 complaints
What Owners Complain About Most
Recent Owner Reports
Part easily break away during washing. Fuel door cover lid panel (BDYT-42-411) broke in automatic car wash.
Instrument panel display shows a warrning message: Air Bag System Malfunction. Have the Vehicle inspected.
The contact owns a 2021 Mazda Mazda3. The contact received notification of an unknown Class Action Lawsuit Number however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Radiators are failing 3 years after the warranty period. Its leading to coolant lost and perhaps overheating the engine.
My 2021 Mazda 3 was bought used in August 2023 and is about a year old in my possession. it has been at the Mazda dealership for repairs multiple times since August 2023. it dangerously stalls and hesitates when trying to accelerate from a stop position. When the brake pedal is released and I start to accelerate like merging onto highways,the car rumbles or shakes slightly …
Recalls & Crash Tests
Complaints are one half of the picture — see the official recalls and NHTSA crash-test stars for the 2021 Mazda Mazda3, or check your exact car by VIN with the free VIN lookup.
Problems Checker
Any year, make and model: open the Car Problems Checker. Data: NHTSA (US DOT, public domain), cached up to 7 days.