2021 Mazda CX-30: raw data

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.

vehicle2021 / mazda / cx-30
known issues8 clusters (reviewed 2026-07-20)
complaints100 on file (2021-05-10 → 2026-07-27)
recalls2
investigations0
fars7 occupant deaths, crash years 2010-2024 (vpic)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Low engine oil level warnings and oil consumptionENGINE43 complaints2021-12 to 2026-07cx30-2021-low-oil-consumption
  • 11576461 Low engine oil on the turbo model. It happened several times. 16k miles.
  • 11500297 Using a quart of oil every 1,500 miles. Known oil consumption issue with the 2021 Mazda CX 30 turbo 2.5 engine
Windshield glass distortionVISIBILITY/WIPER6 complaints2021-10 to 2023-10cx30-2021-windshield-distortion
  • 11469611 The windshield in my 2021 CX30 had a distorted view on the passenger side of vehicle. Took it in to dealership who confirmed that there was obvious distortion in the windshield. Windshield was replaced and the new windshield has the same issue...
  • 11447735 There is a warp in the windshield on the driver's side of the car that causes noticeable distortion. It causes eye pain and headaches. It also causes distortion and visibility issues when driving at night.
Battery drain and no-start eventsELECTRICAL SYSTEM10 complaints2021-05 to 2025-09cx30-2021-battery-drain-no-start
  • 11610981 Battery would be completely drained overnight if the doors are not locked.
  • 11582865 The car has some .kind of Electric or electronic malfunction that drains the battery and kills it without giving you a warning. I have taking it to a Mazda Dealer to be fix 4 times and they don't seem to be able to fix it...
Transmission failure and loss of propulsionPOWER TRAIN, VEHICLE SPEED CONTROL, ENGINE5 complaints2024-01 to 2026-04cx30-2021-transmission-failure
  • 11597248 Car lunged forward when lightly stepping on the gas while making a turn onto a busy street. Then it later lagged in responding when I stepped on the gas. About 5 minutes later, the car dashboard lit up and said there was a transmission error...
  • 11734603 While driving, on approach to a stop signal, at an intersection the car stopped moving. The display said engine malfunction, have inspected...
Automatic emergency braking system malfunctionFORWARD COLLISION AVOIDANCE11 complaints2021-05 to 2026-06cx30-2021-aeb-malfunction
  • 11418296 Sudden, enexpected emergency braking when there was no vehicle or any other obstruction in front of me. Luckily, the distance between me and the car behind me was great enough to prevent me from being rear ended.
  • 11475522 The automatic braking engaged without warning and without cause. There was nothing directly in front of the car that was a possible collision threat...
Unintended acceleration eventsVEHICLE SPEED CONTROL4 complaints2022-02 to 2025-08cx30-2021-unintended-acceleration
  • 11453651 The contact owns a 2021 Mazda CX-30. The contact stated while driving at an unknown speed, the vehicle accelerated independently and hit a brick pillar. The contact stated no warning light was illuminated. The air bags did not deploy...
  • 11468850 Randomly accelerated on its own; burns oil- low oil levels twice in 6 months; randomly says cruise control is available under 25 mph when car is traveling at highway speeds; the unlock and lock functions randomly fail; lift gate randomly opens...
Air bag non-deployment or malfunction warningAIR BAGS3 complaints2022-12 to 2026-05cx30-2021-airbag-non-deployment
  • 11498534 The contact owned a 2021 Mazda CX30. The contact stated while making a left turn, another vehicle struck the middle of her vehicle causing server damage. The contact stated that none of the frontal air bags were deployed...
  • 11739586 Following a recent inspection at Perry Mazda in Santa Barbara, my vehicle was diagnosed with a failed clock spring mechanism causing airbag malfunction warnings. Clock spring failure under 70K miles on a 2021 vehicle is premature...
Seat belt retractor and seat mechanism failureSEATS3 complaints2023-03 to 2025-02cx30-2021-seatbelt-seat-failure
  • 11643631 -Driver seatbelt retractor has failed. Will no longer retract and it is available for inspection. -Safety is compromised due to pretensioner will not function in the event of a collision. Seatbelt will not perform as designed...
  • 11602840 Seatback fold mechanism loose. Vehicle only has 23,000 miles and seat is starting to come loose.

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
1002021-05-102026-07-27100ENGINE:49; ELECTRICAL SYSTEM:13; FORWARD COLLISION AVOIDANCE:12; UNKNOWN OR OTHER:10; VISIBILITY/WIPER:9

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
21V08600018/02/2021STRUCTURE:BODY:HATCHBACK/LIFTGATEMazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially lower unexpectedly when the vehicle is parked facing uphill on a slope.If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the vehicle, it can increase their risk of injury.Mazda will notify owners, and dealers will update the power liftgate control module software and inspect the serial number of the power liftgate drive unit, replacing it if necessary, free of charge. The recall began April 8, 2021. Owners may contact Mazda customer service at 1-800-222-5500 option 4. Mazda's number for this recall is 4621B.
21V10100022/02/2021TIRES:VALVEMazda 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.

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-20247vpic7

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 CX-30 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2021/mazda/cx-30
@misc{wrenchpro_2021_mazda_cx_30_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2021 Mazda CX-30},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2021/mazda/cx-30}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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