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D5 Sedan

Audi A8 · Sedan · 2017–

48V mild-hybrid flagship.

Production run

2017–now

Engines covered

3

Avg. part price

—

19902026

Interactive systems map

Inspect the D5

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

Cooling3

Intake3

Exhaust1

Documented issues per engine

4

EA839

4

4.0 TFSI

5

3.0 TDI

Known weak points

What breaks on the D5

Coolant thermostat housingDiagnose →Carbon buildupDiagnose →Turbo oil lines and coolant pipes in the veeDiagnose →Swirl flap motorDiagnose →EGR coolerDiagnose →

Guides & playbooks

D5 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a Audi A8 D5, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Audi A8 D5. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Audi A8 D5 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Audi A8 D5. Walk me through what it means and how to confirm the cause.

Fits your D5

Parts & tools

Full catalog & export

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