Water Pump / Thermostat Housing Leak
ModerateCooling SystemThe plastic water pump and thermostat housing warp and leak coolant, a well-known weakness across the EA888 range. Some cars fail twice before 100k miles.
Est. Repair Cost: £350–£750
Reliability GuideCommon Problems with the
Common Problems with the
2015 Audi A4 Mk4 (B8)
We've identified 2 known issues that can affect the 2015 Audi A4 Mk4 (B8). None are considered critical, but they're worth knowing about before you buy.
2
Known Issues
0
Serious
2
Moderate
0
Minor
All Known Issues
Electric Steering Lock Failure
ModerateElectrics & ElectronicsThe electronic steering column lock (ELV) module can fail, preventing the car from starting or unlocking the steering. A known weak point on B8 cars.
Est. Repair Cost: £300–£800
Buying Tips for 2015 Audi A4 Mk4 (B8)
- ✓CRITICAL: monitor the oil level on pre-2012 2.0 TFSI cars and expect proof of piston-ring work
- ✓Listen for timing-chain rattle on petrol models after an overnight rest
- ✓Check steering weight and self-centering carefully