AutoUtility currently tracks 32 official NHTSA owner defect complaints for the 2020 Mazda Mazda3. Driver Assistance & Safety Tech issues are the most frequently reported category, appearing in 17 complaints (53.1% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.
- • Total NHTSA Complaints: 32 reports
- • #1 Reported Problem Area: Driver Assistance & Safety Tech (17 reports • 53.1% of submitted complaints)
- • Secondary Problem Areas: Steering System (3), Electrical System (3)
- • Crash-Citing Complaints: 0 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 0 injury filings • 0 fatality filings
Most Reported Problems for 2020 Mazda Mazda3
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Driver Assistance & Safety Tech
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #19V907000 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
Steering System
Electrical System
Brakes & Traction Control
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #20V346000 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Fuel & Propulsion System
Recent NHTSA Owner Reports for 2020 Mazda Mazda3
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Low pressure fuel pump failure with 75,575 miles on odometer. Fuel pump completely seized. Car was parked at a retail location and would not start. Upon troubleshooting, mechanic was able to determine the low pressure pump was not delivering fuel. Pump was replaced. Faulty fuel pumps could lead to..."
"size 21545ZR18 93Y. replaced these oem tires with these from costco on feb 27 2025. in dec 5 2025 the tire developed a large bubble. miles bought was 27790. current miles 31212. per tire center steal belting was broken no signs of road hazard or other damage. the belt broke and rubber was stressed..."
"My Mazda3 began producing a chirp when shifting from 3rd to 4th gear (automatic transmission). The dealer stated that the car needed a new torque converter. At the time the car only 37,000 miles on it, quite low mileage for a torque converter to fail. Mazda has previously admitted to producing cars..."
"I pulled into the driveway (at about 5 mph) of my passenger's home, when a very loud, metallic pop occurred somewhere inside my vehicle. I could not discern the problem by visually inspecting the car. Upon returning to my home, I arranged for the dealership to inspect the car's suspension. They..."
"TSB 02-003/24 Car front suspension bolts corroded and making metal on metal sounds during turning and braking"
Complaint History for Mazda Mazda3
Reported defect complaint volume across sibling model years (2020–2025)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2020 Mazda Mazda3 Current Page | 32 | 0 | 2 | Current |
| 2021 Mazda Mazda3 | 49 | 2 | 1 | View 2021 Problems → |
| 2022 Mazda Mazda3 | 24 | 1 | 0 | View 2022 Problems → |
| 2023 Mazda Mazda3 | 12 | 3 | 0 | View 2023 Problems → |
| 2024 Mazda Mazda3 | 12 | 2 | 3 | View 2024 Problems → |
| 2025 Mazda Mazda3 | 7 | 2 | 1 | View 2025 Problems → |
Detailed NHTSA Component Breakdown for 2020 Mazda Mazda3
Complete distribution of consumer defect reports across all 19 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE | 12 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 2 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| Equipment & Accessories NHTSA category: EQUIPMENT | 1 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES, HYDRAULIC | 1 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 1 | 0 | 0 | 0 | 0 |
| STEERING,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.