2016–2021 Audi A5 Mk2 (F5)
Browse our directory of 2016–2021 Audi A5 Mk2 (F5) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2016–2021 Audi A5 Mk2 (F5) has 3 known issues. 2 are moderate concerns worth inspecting before purchase.
Water Pump / Thermostat Housing Leak
ModerateLike the B9 A4, the A5 uses plastic cooling components that can seep or fail, causing repeated low-coolant warnings without an obvious puddle.
Symptoms: Low coolant warning, Pink residue at the front of the engine...
Est. repair cost: £350–£750
NOx Sensor / AdBlue Faults
ModerateDiesel SCR hardware can trigger AdBlue countdowns, engine-management lights, and expensive sensor or injector replacement once the car is out of warranty.
Symptoms: AdBlue warning or no-start countdown, Engine light with emissions faults...
Est. repair cost: £250–£1,200
MMI / Virtual Cockpit Glitches
MinorScreen freezes, camera dropouts, and Bluetooth instability are common enough on early cars to be worth a deliberate test during inspection.
Symptoms: Rebooting or blank centre screen, Camera unavailable message...
Est. repair cost: £0–£800
Buying Tips for the 2016–2021 Audi A5 Mk2 (F5)
- ✓Check for water-pump or thermostat-housing replacement history because slow coolant loss is one of the common real-world issues
- ✓Diesel cars need clean AdBlue and NOx-sensor history - repeated countdown warnings can be expensive outside warranty
- ✓Test the MMI, Virtual Cockpit, reversing camera, and smartphone connectivity for a full drive, not just during startup
- ✓Sportback buyers should check the powered tailgate and boot seals for smooth operation and dryness
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