The 2021 Mazda Mazda3 is associated with 49 official NHTSA owner defect complaints and 1 safety recall campaign in the federal safety database. The most frequently reported component area is Engine, accounting for 16 reports (33% of total complaints).

Key Data Findings
  • • NHTSA Owner Complaints: 49 reports
  • • Safety Recall Campaigns: 1 campaign
  • • Top Reported Defect Area: Engine (16 / 33%)
  • • Safety Incident Signals: 2 crash / 2 fire / 1 injury reports
  • • NHTSA Overall Safety Rating: 5 / 5 Stars
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
Fuel Economy
—
0 EPA certified variants
Reported Complaints
49
49 submitted owner reports
Safety Recalls
1
1 official NHTSA recall
NCAP Safety Rating
5 / 5 Stars Overall

What is the fuel economy and range of the 2021 Mazda Mazda3?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

Official EPA fuel economy records are not currently published for the 2021 Mazda Mazda3.

Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.

What are the crash test safety ratings for the 2021 Mazda Mazda3?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

Tested Drivetrain / Cab Variant Overall Rating Frontal Crash Side Crash Rollover Rating Rollover Risk
5 HB FWD 10.100000000000001%
4 DR FWD 10.100000000000001%
5 HB AWD 10.100000000000001%
4 DR AWD 10.100000000000001%
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as Standard in official NHTSA records for tested 2021 Mazda Mazda3 models.
View complete 2021 Mazda Mazda3 crash test & safety breakdown →

What defect complaints are reported for the 2021 Mazda Mazda3?

Summary of 49 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
49
Crash Reports
2
Fire Reports
2
Complaints w/ Injury
1
Total Injuries
1

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Engine 16 complaints
Air Bags 4 complaints (1 crash)
Forward Collision Avoidance 3 complaints
Powertrain 3 complaints
Electrical System 2 complaints

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2021 Mazda Mazda3 problems & component breakdown (22 categories) →

Are there open safety recalls on the 2021 Mazda Mazda3?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #21V101000 Active Recall
Affected Component: TIRES:VALVE

Defect Summary: Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.

Free Manufacturer Remedy: Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall began April 6, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 4721B.
View all 2021 Mazda Mazda3 recalls & campaign history (1 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.