Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.
vehicle
2021 / mazda / mazda3
known issues
7 clusters (reviewed 2026-07-26)
complaints
49 on file (2021-02-14 → 2026-01-25)
recalls
1
investigations
0
fars
9 occupant deaths, crash years 2010-2024 (legacy-code)
11644042 When this feature is left on in my vehicle, it will detect curves, vehicles, and objects that are not there, and as a result, will attempt to turn my steering wheel (safety concern). I have had to keep this feature turned off to prevent it wrecking the car…
11448467 Context: ADAS was not on. Lane keep assist is disabled in system settings entirely as it is dangerous. Blinkers were on, I was pulling out from parallel parking into left turn lane onto a straight road with slight incline. Car is of the Turbo trim on stock tires. Upon finishing…
11713224 My rear differential case cracked, anytime the four wheel drive system was engaged the entire drivetrain would lock up. Luckily we were only on side roads so going less than 30 mph if we had been on the highway when this happened we could have been in an accident…
11663288 I was driving when all the sudden there was a loud bang sound. The differential housing cracked. The when awd is demanded the rear diff was was locking up instead of engaging. Luckily we were just on city streets and not on the highway as this rear wheel locking up could cause…
11472002 My Mazda 3 2.5T has been burning oil in excess. The car has a total of 24,000 miles and has been serviced 3 times. I have had to add oil in between every service. The oil has been completely burned off by 4,000-5,000 miles. I have noticed that other people have been posting…
11485224 After roughly 2,000 miles of driving, the low oil light comes on. The engine is burning oil. Mazda has issued a TSB on it, but they have taken no action to fix the issue. Right now they just top off the oil.
Automatic emergency braking without obstacleFORWARD COLLISION AVOIDANCE5 complaints2021-04 → 2024-09mazda3-2021-automatic-emergency-braking
11613907 At red light, close behind car in front of the mazda. After light turns green, start driving the mazda after car in front moves forward. Although the car in front is moving forward at a higher rate of speed, increasing the distance between it and the mazda…
11407653 2021 MAZDA 3. CONSUMER WRITES REGARDING FAILED SBS SYSTEM. *LD THE CONSUMER STATED THE SMART BRAKE SYSTEM SLAMS ON THE BRAKES UNNECESSARILY, WHILE DRIVING. THE CONSUMER WAS ADVISED BY THE DEALER THAT FEATURE COULD NOT BE DISABLED. *JS
Airbag system malfunction warningAIR BAGS4 complaints2021-12 → 2022-09mazda3-2021-airbag-malfunction-warning
11460158 My car started to show a warning on the dashboard that the airbag system is malfunctioning. The alarm would come on for a few seconds, then turn off, then repeat like that multiple times every drive. At the time it started, my car had less than 500 miles on it, and it continued…
11444268 Instrument panel display shows a warrning message: Air Bag System Malfunction. Have the Vehicle inspected.
Engine stall and shutdown while drivingUNKNOWN OR OTHER2 complaints2022-04 → 2024-11mazda3-2021-stall-shutdown
11460348 A have a new 2021 Mazda 3 Hatchback with 3,500 miles. As I was driving and approaching a traffic light to stop, my car shut down completely while in traffic. I turned on my hazard lights, put the car in the park position, and restarted the vehicle. As I proceed with driving…
11626518 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…
11403223 TL* THE CONTACT OWNS A 2021 MAZDA MAZDA3. THE CONTACT STATED WHILE THE VEHICLE WAS AT A STAND STILL AT A PARKING LOT, WHEN IT CAUGHT FIRE. THE FIRE DEPARTMENT WAS ABLE TO EXTINGUISHED THE FIRE AND FILED A REPORT. THE POLICE WAS AT THE LOCATION BUT DID NOT FILE A REPORT…
11431973 The contact owns a 2021 Mazda Mazda3. The contact stated that while driving at various speeds the passenger front side tire was flat which caused the contact to veer to the shoulder. The contact towed the vehicle to the dealer where the tire was inspected…
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.
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.
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.
Cite this
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). 2021 Mazda Mazda3 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2021/mazda/mazda3
@misc{wrenchpro_2021_mazda_mazda3_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2021 Mazda Mazda3},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2021/mazda/mazda3}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
