12V Battery Drain
ModerateElectrics & ElectronicsThe most common complaint on UX owner forums; the 12V battery is small and can be drained by the car's connected systems.
Est. Repair Cost: £150–£200
Reliability GuideCommon Problems with the
Common Problems with the
2021 Lexus UX
Lexus introduced the UX 300e, the brand's first-ever fully electric vehicle. While it offered legendary Lexus refinement, its relatively small battery and CHAdeMO charging port limited its appeal for long journeys.
What changed for 2021
- •Launch of the UX 300e, Lexus's first fully electric vehicle.
- •Minor trim updates across the hybrid range.
Common MOT watch-outs
- !Wear on suspension components due to the increased weight of the EV battery.
- !Minor software glitches.
2
Known Issues
0
Serious
1
Moderate
1
Minor
All Known Issues
Excessive Road Noise (Run-Flats)
MinorSuspension & ChassisModels on 18-inch wheels with run-flat tyres can suffer from significant road roar on coarse UK motorways.
Est. Repair Cost: £600 (Set of non-run-flat tyres)
Buying Tips for 2021 Lexus UX
- ✓On the UX 300e, be aware that it uses the older CHAdeMO rapid charging standard, which is becoming less common on newer public chargers.
- ✓Check the electric-only range estimation, as the UX 300e's real-world range is relatively modest.