IsItAGoodCar
Reliability Guide

Common Problems with the
2002 Audi A8 Mk2 (D3)

We've identified 3 known issues that can affect the 2002 Audi A8 Mk2 (D3). 2 of these are serious faults that could be expensive to repair.

3
Known Issues
2
Serious
1
Moderate
0
Minor

All Known Issues

Air Suspension Strut and Compressor Failure

SeriousSuspension & Chassis

The full air suspension on all four corners inevitably develops leaks as the rubber air bellows age, eventually killing the WABCO compressor.

Est. Repair Cost: £800–£3,500
Warning Signs:

One corner sagging overnight, Compressor running constantly, Suspension warning light, Harsh stiff ride

What to Inspect:
  • Park on level ground and check ride height after 12+ hours
  • Listen for compressor running excessively
  • Check for oil residue around struts
Verified by IsItAGoodCar Research Team

Multitronic CVT Gearbox Issues

SeriousGearbox & Transmission

The Multitronic CVT gearbox can judder, flare, or lose drive if fluid changes were skipped or the gearbox ECU starts to fail.

Est. Repair Cost: £1,000–£2,500
Warning Signs:

Rev flare under acceleration, Judder pulling away, Flashing PRNDS or gearbox warning

What to Inspect:
  • Drive from cold and warm in traffic
  • Ask for fluid service invoices
  • Confirm the fitted gearbox and obtain a specialist inspection if engagement is poor
Verified by IsItAGoodCar Research TeamUpdated

Electrical Module Failures

ModerateElectrics & Electronics

Ageing electronics cause multiple module failures, including keyless entry antennas, comfort modules, and CAN bus communication faults.

Est. Repair Cost: £200–£1,200
Warning Signs:

Multiple dashboard warnings, Keyless entry not working, Intermittent window or seat faults, Battery drain

What to Inspect:
  • Run a full diagnostic scan with VCDS
  • Test all comfort functions
  • Check for parasitic battery drain
Verified by IsItAGoodCar Research Team

Buying Tips for 2002 Audi A8 Mk2 (D3)

  • Inspect the air suspension thoroughly; leaking front struts or a burnt-out compressor are very common and expensive to rectify.
  • Check the MMI screen gears; they become brittle and break, preventing the screen from rising out of the dashboard.
  • Look for evidence of water ingress in the front footwells, usually caused by blocked scuttle panel drains, which can destroy the costly Bluetooth and KESSY modules under the carpets.
  • Ensure the electronic parking brake engages and disengages without screaming or throwing faults, as the rear caliper motors frequently seize.
  • Test all luxury electrical features, including the soft-close doors and fingerprint scanner (if fitted), as modules regularly fail due to age and poor battery health.
  • On the 4.2 V8 petrol, listen for rattling timing chains (on FSI models) or check the cambelt history (on older port-injected models), as both are huge jobs.
2003
Check a 2002 Audi A8 Mk2 (D3) by Registration