IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Lexus NX

The final year of the first-generation NX. These late models are exceptionally reliable and well-equipped, representing a safe, if slightly technologically dated, used buy.

What changed for 2021

  • •Final production year before the completely redesigned Mk2 model.
  • •Range focused on high-specification 'Takumi' and 'F Sport' trims.

Common MOT watch-outs

  • !General wear and tear; these are exceptionally reliable vehicles.
  • !Minor interior trim rattles.
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Known Issues
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Serious
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Moderate
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All Known Issues

Drivetrain Vibration Between 1,200 and 1,400rpm

ModerateGearbox & Transmission

Some NX 300h models exhibit a drivetrain vibration that sets in between 1,200 and 1,400rpm. The vibration is noticeable on light throttle and can be felt through the steering wheel and seat. It is linked to the hybrid powertrain's transition between electric and petrol operation.

Est. Repair Cost: £300–£800
Warning Signs:

Vibration felt through the steering wheel at 1,200–1,400rpm, Drivetrain shudder on light throttle, Noticeable shake through the driver's seat

What to Inspect:
  • Drive through the 1,200–1,400rpm band and feel for vibration
  • Check if the vibration changes in EV versus hybrid mode
  • Ask the seller if any drivetrain mounts have been replaced
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 2021 Lexus NX

  • Late models hold their value very well; verify the condition and history justify the premium price.
  • Check the condition of the alloy wheels, which are frequently kerbed.
2019–2020
Check a 2021 Lexus NX by Registration