IsItAGoodCar
Reliability Guide

Common Problems with the
2018 Toyota Auris Mk2

The final year of the Mk2 Auris before it was replaced by the Corolla E210. Late cars are well-specified and represent excellent value, as the model was quietly discontinued rather than replaced in name. Parts and dealer support remain strong across the UK, and insurance groups are very competitive for the equipment level.

What changed for 2018

  • •Final production year before replacement by the Corolla E210
  • •All models now include Toyota Safety Sense as standard

Common MOT watch-outs

  • !Age-related corrosion starting to appear on sills
  • !Hybrid battery cooling fan blockage on poorly maintained examples
4
Known Issues
0
Serious
2
Moderate
2
Minor

All Known Issues

Door Lock Actuator Failure

ModerateElectrics & Electronics

Central locking actuators can seize, preventing doors from locking or unlocking with the key fob.

Est. Repair Cost: £100–£200 per door
Warning Signs:

Door won't lock/unlock remotely, Clicking noise from door, Manual lock still works

What to Inspect:
  • Test all door locks with the key fob
Verified by IsItAGoodCar Research Team

EGR Valve Clogging (Diesel)

ModerateEngine

Diesel models can suffer from EGR carbon buildup, causing rough running and increased emissions.

Est. Repair Cost: £200–£500
Warning Signs:

Rough idle, Loss of power, Increased fuel consumption, Check engine light

What to Inspect:
  • Check for EGR-related fault codes
  • Ask about journey types on diesel models
Verified by IsItAGoodCar Research Team

Hybrid Battery Cooling Fan Blockage

MinorCooling System

Dust and pet hair can block the battery intake, causing the battery to overheat.

Est. Repair Cost: £50–£150
Warning Signs:

Loud fan noise from rear, Poor MPG

What to Inspect:
  • Check the intake vent under the rear seat
Verified by IsItAGoodCar Research Team

LED DRL Flickering

MinorElectrics & Electronics

The LED daytime running lights can flicker or fail prematurely on some models.

Est. Repair Cost: £100–£250
Warning Signs:

Flickering DRLs, Intermittent DRL failure, MOT advisory

What to Inspect:
  • Start the engine and observe the DRLs for flickering
Verified by IsItAGoodCar Research Team

Buying Tips for 2018 Toyota Auris Mk2

  • ✓Late 2018 cars offer the best value in the Mk2 range
  • ✓Ask for proof of regular hybrid health checks to ensure the battery warranty remains valid