2002–2003 Audi A8 Mk3 (D3)
Browse our directory of 2002–2003 Audi A8 Mk3 (D3) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2002–2003 Audi A8 Mk3 (D3) has 3 known issues. 2 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.
Air Suspension Strut and Compressor Failure
SeriousThe full air suspension on all four corners inevitably develops leaks as the rubber air bellows age, eventually killing the WABCO compressor.
Symptoms: One corner sagging overnight, Compressor running constantly...
Est. repair cost: £800–£3,500
Multitronic CVT Gearbox Issues
SeriousThe Multitronic CVT gearbox can judder, flare, or lose drive if fluid changes were skipped or the gearbox ECU starts to fail.
Symptoms: Rev flare under acceleration, Judder pulling away...
Est. repair cost: £1,000–£2,500
Electrical Module Failures
ModerateAgeing electronics cause multiple module failures, including keyless entry antennas, comfort modules, and CAN bus communication faults.
Symptoms: Multiple dashboard warnings, Keyless entry not working...
Est. repair cost: £200–£1,200
Buying Tips for the 2002–2003 Audi A8 Mk3 (D3)
- ✓Air suspension is near-mandatory on D3 A8s and will need attention — check it sits level after standing overnight
- ✓The 4.2 TDI and W12 engines need flawless service history; neglect is ruinously expensive
- ✓Check all interior electronics, especially the MMI screen mechanism and seat functions
- ✓Look for oil leaks around the valve covers and turbo oil lines on V8/TDI models
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