IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Dacia Duster (Mk2)

The 2021 facelift brought a refreshed front end with Y-shaped LED daytime running lights, a redesigned dashboard, an 8-inch infotainment system with Apple CarPlay and Android Auto, and for the first time a six-speed EDC dual-clutch automatic gearbox paired with the TCe 150 engine.

What changed for 2021

  • •Y-shaped LED daytime running lights
  • •Redesigned dashboard with 8-inch infotainment
  • •First-ever EDC dual-clutch automatic (TCe 150 only)
  • •Wireless Android Auto and Apple CarPlay
  • •Improved driver assistance systems

Common MOT watch-outs

  • !AdBlue system faults on Blue dCi diesel models
  • !EDC gearbox can feel hesitant in stop-start traffic
  • !TCe 100 turbo wastegate rattle on deceleration
3
Known Issues
0
Serious
1
Moderate
2
Minor

All Known Issues

AdBlue System Faults (Blue dCi)

ModerateExhaust & Emissions

Diesel models frequently suffer from "Check Antipollution" warnings, often caused by AdBlue crystallization in the tank or sensor failure.

Est. Repair Cost: £250–£900
Warning Signs:

AdBlue or emissions warning light, Engine restart countdown, White crystals around filler

What to Inspect:
  • Check for stored emissions codes
  • Ask about AdBlue system updates or repairs under warranty
Verified by IsItAGoodCar Research Team

1.0 TCe Turbo Wastegate Rattle

MinorEngine

The 1.0 TCe engine can develop a metallic rattling sound on lift-off or deceleration due to play in the turbocharger wastegate actuator.

Est. Repair Cost: £150–£1,800
Warning Signs:

Metallic buzzing or rattling on lift-off, Rattle between 1,500-2,000 RPM

What to Inspect:
  • Listen for rattles during the test drive
  • Check if ECU software has been updated to mitigate the noise
Verified by IsItAGoodCar Research Team

Front Suspension Bush and Link Wear

MinorSuspension & Chassis

Lower control arm bushes and anti-roll bar drop links can wear prematurely, leading to knocking or vague steering.

Est. Repair Cost: £150–£400
Warning Signs:

Clonking noise over speed bumps, Vibration through steering

What to Inspect:
  • Listen for front-end noises during the test drive
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Dacia Duster (Mk2)

  • ✓The 2021+ Duster is the best version — better tech, more refined, and still incredibly affordable
  • ✓The EDC automatic is smooth but only available with the TCe 150 petrol
  • ✓Check for AdBlue warnings on diesel models
2019–20202022
Check a 2021 Dacia Duster (Mk2) by Registration