2015 Audi A4 Mk4 (B8)
Browse our directory of 2015 Audi A4 Mk4 (B8) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2015 Audi A4 Mk4 (B8) has 2 known issues. 2 are moderate concerns worth inspecting before purchase.
Water Pump / Thermostat Housing Leak
ModerateThe 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.
Symptoms: Low coolant warning, Pink crust near housing...
Est. repair cost: £350–£750
Electric Steering Lock Failure
ModerateThe electronic steering column lock (ELV) module can fail, preventing the car from starting or unlocking the steering. A known weak point on B8 cars.
Symptoms: Steering remains locked, Car will not start...
Est. repair cost: £300–£800
Buying Tips for the 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
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