VehicleVerdict

2021 Mazda CX-30 engine problems

The 2021 Mazda CX-30 has 48 engine complaints filed with NHTSA — 35% of the year's total, and up sharply from the prior model year.

48

Engine complaints

35%

Share of year

0

Crash-involved

0

Related recalls

Engine complaints by year

CX-30 engine complaints by model year48 complaints2020: 5 complaints2021: 48 complaints2022: 9 complaints2023: 2 complaints2025: 1 complaints
CX-30 engine complaints by model year. Red bars are years to avoid.

What owners report

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. Mechanic's diagnosis found code P0756 for a shift…

Complaint filed with NHTSA · Engine · June 15, 2024

Common questions

How many engine complaints does the 2021 Mazda CX-30 have?

NHTSA has 48 complaints about the 2021 Mazda CX-30 engine — 35% of all complaints filed for that model year.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.