2020 Mazda Mazda3 Problems

Below Average Complaints

Real NHTSA owner complaints for the 2020 Mazda Mazda3.

20192021
Complaints
50
Crashes
0
Fires
0
Injuries
0
Fatalities
Recalls
2

Worst 2020 Mazda Mazda3 Problems

Top 3 most-reported issues with average mileage at failure.

#113 complaints

Forward Collision Avoidance: Automatic Emergency Braking

Avg mileage:5,653 mi
#29 complaints

Forward Collision Avoidance: Warnings

Avg mileage:9,706 mi
#33 complaints

Electrical Faults

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All Problems by Category

Every NHTSA complaint category for the 2020 Mazda Mazda3.

Forward Collision Avoidance: Automatic Emergency Braking
13
complaints
Crashes
Fires
Avg Miles
5,653
Forward Collision Avoidance: Warnings
9
complaints
Crashes
Fires
Avg Miles
9,706
Electrical Faults
3
complaints
Crashes
Fires
Avg Miles
Steering Defects
3
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Adaptive Cruise Control
2
complaints
Crashes
Fires
Avg Miles
Lane Departure: Warning
2
complaints
Crashes
Fires
Avg Miles
Brakes
2
complaints
Crashes
Fires
Avg Miles
Suspension Failures
2
complaints
Crashes
Fires
Avg Miles
Engine Problems
1
complaints
Crashes
Fires
Avg Miles
Equipment:Other:Labels
1
complaints
Crashes
Fires
Avg Miles
Headlight/Taillight Failures
1
complaints
Crashes
Fires
Avg Miles
Fuel System
1
complaints
Crashes
Fires
Avg Miles
Lane Departure: Assist
1
complaints
Crashes
Fires
Avg Miles
Transmission / Drivetrain
1
complaints
Crashes
Fires
Avg Miles
Seat Belt Issues
1
complaints
Crashes
Fires
Avg Miles
Hydraulic Brakes
1
complaints
Crashes
Fires
Avg Miles
Body Structure
1
complaints
Crashes
Fires
Avg Miles
Tires:Sidewall
1
complaints
Crashes
Fires
Avg Miles
Wipers & Visibility
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2020 Mazda Mazda3. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2020 Mazda Mazda3

2 NHTSA recall campaigns affecting ~59,427 vehicles.

20V346000Service Brakes, Hydraulic:foundation Components:disc:caliper
~24,037 affected

Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.

19V907000Forward Collision Avoidance: Automatic Emergency Braking
~35,390 affected

Mazda North American Operations (Mazda) is recalling certain 2019-2020 Mazda3 vehicles. The Smart Brake System (SBS) can falsely detect an obstacle while driving, activating the automatic emergency braking system and suddenly stopping the vehicle.

Other Mazda Mazda3 Years

2020 Mazda Mazda3 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2020 Mazda Mazda3 reliable?
Verdict: Below Average Complaints. The 2020 Mazda Mazda3 has 50 NHTSA complaints, 0 crash-related, and 2 recall campaigns. The most common issue is Forward Collision Avoidance: Automatic Emergency Braking with 13 complaints. Source: NHTSA via VinItel.
What are common problems with the 2020 Mazda Mazda3?
Top reported problems: Forward Collision Avoidance: Automatic Emergency Braking (13 complaints, avg 5,653 mi); Forward Collision Avoidance: Warnings (9 complaints, avg 9,706 mi); Electrical Faults (3 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2020 Mazda Mazda3?
The weighted average mileage at time of complaint is about 7,311 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
Does the 2020 Mazda Mazda3 have any recalls?
Yes — 2 NHTSA recall campaigns affecting an estimated 59,427 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2020 Mazda Mazda3?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Mazda Mazda3 reliability report with year-by-year comparison and generation analysis.

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