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D3 Sedan

Audi A8 · Sedan · 2002–2010

D3 brought the W12 and the S8 V10.

Production run

2002–2010

Engines covered

3

Avg. part price

—

19902026

Interactive systems map

Inspect the D3

Tap a hotspot to inspect that system

Systems map

Where it goes wrong

Each numbered hotspot counts the documented failure points in that area. Select one to see the specifics for this chassis and engine.

Failure points by system

Engine1

Cooling1

Intake3

Fuel1

Exhaust1

Documented issues per engine

4

4.2 V8

4

5.2 FSI

5

3.0 TDI

Known weak points

What breaks on the D3

Timing chain tensioners (front-of-engine job)Diagnose →Carbon buildup on FSI versionsDiagnose →Carbon buildupDiagnose →Coil packsDiagnose →Swirl flap motorDiagnose →EGR coolerDiagnose →

Guides & playbooks

D3 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a Audi A8 D3, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Audi A8 D3. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Audi A8 D3 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Audi A8 D3. Walk me through what it means and how to confirm the cause.

Fits your D3

Parts & tools

Full catalog & export

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