IsItAGoodCar
Reliability Guide

Common Problems with the
2018 Lexus ES

The 2018 launch of the ES in the UK marked the first time this model was officially sold here, replacing the GS. Built on the advanced GA-K platform, it focused entirely on refined, front-wheel-drive comfort and hybrid efficiency.

What changed for 2018

  • •Debut of the ES model in the UK, effectively replacing the rear-wheel-drive GS.
  • •Powered exclusively by the 2.5-litre self-charging hybrid system (ES 300h).

Common MOT watch-outs

  • !Too new for significant MOT failure trends, but check for early tyre wear.
  • !Minor software glitches affecting the infotainment or safety systems.
2
Known Issues
0
Serious
1
Moderate
1
Minor

All Known Issues

12V Auxiliary Battery Drain

ModerateElectrics & Electronics

The 12V battery can drain quickly if the car is not driven for more than a few days, leading to a "dead" car that requires a jump start.

Est. Repair Cost: £150–£250
Warning Signs:

Car won't unlock, Flickering dashboard lights, Hybrid system warning on startup

What to Inspect:
  • Ask if the battery has ever been replaced
  • Check for a trickle charger in the boot (a common owner addition)
  • Test the voltage after the car has been sitting
Verified by IsItAGoodCar Research Team

Brake Actuator "Squawk"

MinorBrakes

Some owners report a barking or squawking noise when the brake pedal is released, caused by the electronic brake actuator calibration.

Est. Repair Cost: Software Update / £1,500 if failing
Warning Signs:

A brief "squawk" or "bark" sound from the footwell when braking, Pulsing feel through the pedal

What to Inspect:
  • Listen carefully during the test drive for any unusual hydraulic noises when braking
Verified by IsItAGoodCar Research Team

Buying Tips for 2018 Lexus ES

  • ✓Test the touchpad infotainment controller; it requires acclimatization and early software could be laggy.
  • ✓Check the operation of the advanced safety systems (Lexus Safety System+) for any warning lights.
2019–2021
Check a 2018 Lexus ES by Registration