Low engine oil light displayed at 7,030 miles. No leaks detected. Engine consuming oil burning in combustion chamber. Possible engine damage or failure if oil was not quickly refilled.

12/24/2021 · NHTSA ODI #11444904.0

2021 CX-30 · airbags Crash

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. The contact suffered severe injuries and she sought…

12/22/2022 · NHTSA ODI #11498534.0

2021 CX-30 · wheels

On December 13, 2025, my vehicle (2021 Mazda CX-30) was serviced at a Valvoline Instant Oil Change location. During service, the technician stated he was checking tire pressure and asked whether 36 PSI was acceptable. I agreed. When I pulled out of the bay, the tire pressure…

12/18/2025 · NHTSA ODI #11705780.0

2021 CX-30 · powertrain

The car's battery has failed two times. The second time is after the battery was replaced -- so the problem was with two different batteries. Both times, I had to call & wait for roadside assistance. Dangerous situation. Both times, the car required a jump-start then a full…

12/07/2022 · NHTSA ODI #11496389.0

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Active recalls showing 1 of 1

severe NHTSA 21V086000 18/02/2021

Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles

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.

Fix: 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.

Common questions

Is the 2021 Mazda CX-30 reliable?

Mostly yes. With a reliability score of 7.6 out of 10 based on 94 owner complaints filed with NHTSA, the 2021 Mazda CX-30 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

What's the most common problem on the 2021 Mazda CX-30?

Based on NHTSA records, the most-reported issue is engine, with 36 complaints filed. Average repair cost runs about $3,100 at an independent shop.

What's the most expensive thing that goes wrong?

The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Mazda CX-30 has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Mazda CX-30?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 94 complaints on file and the costliest repair averaging $3,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.

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Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 18 hours ago. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with mazda. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.