IsItAGoodCar
Reliability Guide

Common Problems with the
2023 Toyota bZ4X

We've identified 2 known issues that can affect the 2023 Toyota bZ4X. None are considered critical, but they're worth knowing about before you buy.

2
Known Issues
0
Serious
2
Moderate
0
Minor

All Known Issues

Winter Range Drop

ModerateElectrics & Electronics

Real-world range in UK winter temperatures can be 30-40% lower than the official WLTP figure.

Est. Repair Cost: £0 (Normal cold weather EV characteristic)
Warning Signs:

Displayed range drops sharply when heater is used, Poor efficiency in cold weather

What to Inspect:
  • Check for the latest range-optimisation software updates
Verified by IsItAGoodCar Research Team

Slow Cold-Weather Charging ("Coldgate")

ModerateElectrics & Electronics

Without preconditioning, DC fast charging speeds are heavily throttled in temperatures below 10°C.

Est. Repair Cost: £0 (Software update)
Warning Signs:

Charging at 30-50kW on 150kW chargers, Long charging times on road trips

What to Inspect:
  • Confirm the "Battery Pre-conditioning" menu item is present in the settings
Verified by IsItAGoodCar Research Team

Buying Tips for 2023 Toyota bZ4X

  • Ensure all software updates have been applied to improve range display and DC charging speeds.
  • If buying a 2022/2023 model, check if it has the battery preconditioning update.
  • AWD models use a different battery (CATL) and have slightly different charging characteristics than FWD (Panasonic) models.
20222024
Check a 2023 Toyota bZ4X by Registration