What reliability score does the Audi A8 get?

3.4 out of 10, scored from the 8 faults we document for this model and how severe each one is.

Is the 2010–2017 Audi A8 reliable?

Scored from 8 documented faults · reviewed by the VehicleFaults Research Team

Quick answer

3.4/ 10

Buy with caution

On our documented-fault scoring the Audi A8 rates 3.4 out of 10 · buy with caution. We hold 8 known faults for it and 4 are rated high severity, so the risk is real but contained. The weak points cluster around suspension, electrical and engine. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.

Verdict · Walk unless the history is spotless

What the score is built from

Critical: 0
High: 4
Medium: 4
Low: 0

Weak points cluster around suspension, electrical, engine, transmission.

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The faults that decide it

SuspensionHigh

Air suspension compressor and strut leaks causing sagging ride height

Typically appears: 70,000+ miles
What to inspect: Check ride height overnight and listen for the compressor running excessively
Typical repair: Suspension refresh (per axle) · £250–£1,100

ElectricalHigh

MMI infotainment and multiple control unit faults

Typically appears: Age-related
What to inspect: Test every electronic feature including seats, screens and cameras
Typical repair: Infotainment repair or software fix · £120–£1,200

EngineHigh

Timing chain tensioner wear on early 3.0 TDI and TFSI units

Typically appears: 80,000+ miles
What to inspect: Cold start and listen for chain rattle from the front of the engine
Typical repair: Timing chain, tensioner & guides · £900–£2,400

Engine / Forced InductionHigh

Siren-like whining on acceleration or EPC light illumination due to turbocharger starvation from a blocked oil strainer screen on 4.0 TFSI models.

Typically appears: 60,000-90,000 miles
What to inspect: Start the engine, open the bonnet, and blip the throttle gently. Listen closely for a distinct siren or dentist-drill whine from the 'V' of the engine.
Typical repair: Turbocharger replacement · £750–£2,200

TransmissionMedium

Automatic gearbox mechatronic faults causing harsh or delayed shifts

Typically appears: 80,000+ miles
What to inspect: Drive through all gears and feel for harsh or delayed shifting
Typical repair: DCT clutch pack / mechatronic work · £900–£3,200

Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.

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What the score is built from

The faults that decide it

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Reliability of other Audi models