IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Aston Martin DBX

The 2021 launch of the DBX represented a monumental step for Aston Martin, introducing their first-ever SUV. Combining a bespoke chassis with an AMG-sourced V8, it offered genuine sports car dynamics with family practicality, though early cars experienced some teething issues.

What changed for 2021

  • •Launch of Aston Martin's first SUV model, built in a new facility in Wales.
  • •Powered by a 542bhp AMG-sourced 4.0-litre twin-turbo V8.

Common MOT watch-outs

  • !Premature wear on tyres and brake pads due to the vehicle's significant mass.
  • !Warning lights related to active air suspension or TPMS sensors.
3
Known Issues
1
Serious
1
Moderate
1
Minor

All Known Issues

Rear Suspension Arm Bolt Recall

SeriousSuspension & Chassis

A critical safety issue where the rear lower suspension arm can crack or shear due to a faulty bolt design.

Est. Repair Cost: £0 (Free under official Aston Martin recall)
Warning Signs:

Sudden loss of control, Knocking from rear, Visible cracking in the arm

What to Inspect:
  • Verify the recall status with a dealer or official VIN checker.
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Infotainment & Backup Camera Software Glitches

ModerateElectrics & Electronics

The Mercedes-sourced system can be laggy, and the backup camera frequently fails to display or freezes.

Est. Repair Cost: Software Update / £300
Warning Signs:

Black screen when in Reverse, Infotainment freezing, Bluetooth connectivity issues

What to Inspect:
  • Test the camera and infotainment from a cold start.
  • Check if the software has been updated to the latest version.
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TPMS Sensor and Tyre Pressure Warning Issues

MinorBodywork & Rust

The DBX has been subject to recall for TPMS (Tyre Pressure Monitoring System) faults. Sensors can fail prematurely, causing persistent warning lights even when tyre pressures are correct.

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

Persistent TPMS warning light, Incorrect pressure readings on the dashboard, Tyre pressure warnings despite correct inflation

What to Inspect:
  • Verify the TPMS recall has been completed
  • Check that all four tyre pressures match the dashboard readings
  • Scan for TPMS fault codes
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Aston Martin DBX

  • ✓Verify that the critical recall regarding the rear suspension arm bolts has been completed.
  • ✓Test the older-generation Mercedes-sourced infotainment system for lag or camera freezing.