Reliability Guide

Common Problems with the
2021 Mazda CX-5 (KF)

We've identified 2 known issues that can affect the 2021 Mazda CX-5 (KF). None are considered critical, but they're worth knowing about before you buy.

2
Known Issues
0
Serious
1
Moderate
1
Minor

All Known Issues

Rear Brake Caliper Seizure

ModerateBrakes

The electronic parking brake mechanism on the rear calipers can seize, especially if the car is used on salted UK roads.

Est. Repair Cost: £300–£600
Warning Signs:

Burning smell after driving, Excessive heat from rear wheels, Car feels "held back"

What to Inspect:
  • Check the temperature of the rear wheels after a drive
  • Ensure the EPB releases smoothly
Verified by IsItAGoodCar Research Team

Folding Mirror Actuator Failure

MinorElectrics & Electronics

The plastic gears in the mirror motor strip, causing the mirrors to get stuck or make a clicking noise.

Est. Repair Cost: £150–£300 per mirror
Warning Signs:

Mirror won't fold/unfold, Grinding noise

What to Inspect:
  • Fold and unfold the mirrors several times using the door switch
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Mazda CX-5 (KF)

  • The 2.0 petrol is bulletproof but can feel slightly underpowered for a large SUV.
  • Check the electric tailgate for smooth operation.
  • Inspect the heads-up display (if fitted) for clarity.