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2015–2017 Audi A8 (D4)

Browse our directory of 2015–2017 Audi A8 (D4) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

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Common Problems & Reliability

2
Serious
2
Moderate
0
Minor

The 2015–2017 Audi A8 (D4) has 4 known issues. 2 of these are classified as serious faults that could be expensive to repair. 2 are moderate concerns worth inspecting before purchase.

Air Suspension Failure

Serious

Air struts leak and the compressor burns out trying to compensate. This is a common and expensive reality of aging luxury cars.

Symptoms: Car sits low on one corner overnight, Air suspension fault warning...

Est. repair cost: £1,000–£3,000

4.0 TFSI Turbo Strainer Blockage

Serious

A tiny oil strainer screen feeding the twin turbos can block with carbon, starving the turbos of oil and causing rapid, catastrophic failure.

Symptoms: Siren noise from turbos, Loss of power...

Est. repair cost: £3,000–£5,000

Electrical Module and Sensor Failures

Moderate

The complex electronics produce various module failures including air suspension control units, comfort modules, and sensor faults as the car ages.

Symptoms: Multiple dashboard warnings, Central locking faults...

Est. repair cost: £200–£1,500

Cooling System Leaks

Moderate

The coolant regulating valve, water pump, and various plastic hoses can leak, causing gradual coolant loss and potential overheating.

Symptoms: Low coolant warning, Pink residue around engine...

Est. repair cost: £350–£1,000

View detailed Audi A8 (D4) fault guide

Buying Tips for the 2015–2017 Audi A8 (D4)

  • ✓Air suspension must sit level and raise/lower without excessive compressor noise
  • ✓Check all interior electronics, especially the MMI screen mechanism and seat massage functions
  • ✓On the 4.2 TDI and 4.0 TFSI, insist on a flawless service history; neglect on these engines is ruinously expensive

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