Reliability Guide

Common Problems with the
2023 Mazda CX-30 (DM)

We've identified 2 known issues that can affect the 2023 Mazda CX-30 (DM). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2023 period has 1 more issue than the Mazda CX-30 (DM) average across all year periods.

All Known Issues

Low-Speed Brake Squeal

MinorBrakes

Some CX-30s exhibit a high-pitched squeal when braking at very low speeds, often addressed by Mazda with specialised shims.

Estimated cost: £0–£100Affects: 2019–2024

Typical symptoms

•Squealing noise when braking at low speed
•Noise disappears at higher speeds

What to inspect before you buy

✓Test brakes in a car park at low speed

Power Tailgate Malfunction

MinorElectrics & Electronics

The electric tailgate can fail to open, fail to close, or beep incessantly due to sensor or software issues.

Estimated cost: £200–£600Affects: 2019–2023

Typical symptoms

•Tailgate reverses when closing
•Beeping sounds but no movement

What to inspect before you buy

✓Test the tailgate multiple times using both the button and the key fob

Buying Tips for the 2023 Mazda CX-30 (DM)

✓Battery drain is a common complaint; consider a trickle charger if the car is rarely used.
✓Check for software updates regarding the Smart Brake Support system.
✓Ensure the infotainment system has the latest firmware to avoid glitches.

2022 Mazda CX-30 (DM)2024 Mazda CX-30 (DM)