Reliability Guide

Common Problems with the
2022 Audi A7 (4K8)

By 2022 the A7's 48V and software issues had been largely resolved through recalls and updates. This is the safest used 4K8 buy, though the complex electronics still demand thorough testing during inspection.

What changed for 2022

  • •Updated engine range and mild-hybrid calibration
  • •Revised MMI software with improved stability
  • •Enhanced driver-assistance features

Common MOT watch-outs

  • !Front suspension bush wear at 40k–80k miles
  • !Brake disc and pad wear on heavy fastback
  • !Infotainment glitches remain possible on some cars
5
Known Issues
3
Serious
2
Moderate
0
Minor

All Known Issues

48V Mild-Hybrid Alternator/Starter Failure

SeriousElectrics & Electronics

The Belt Alternator Starter (BAS) on 48V models can fail, disabling the start-stop system and eventually draining the battery.

Est. Repair Cost: £1,000–£2,500
Warning Signs:

Electrical system malfunction warning, Start-stop stops working, Car refuses to start

What to Inspect:
  • Check for recall or warranty replacement history
  • Scan for low voltage or generator faults
Verified by IsItAGoodCar Research Team

DL382 S tronic Gear Selection / Mechatronic Faults

SeriousGearbox & Transmission

Control or clutch faults can interrupt gear selection. Identify the gearbox code first: this entry applies to the longitudinal DL382 family, not every automatic sold under the same model name.

Warning Signs:

Gearbox warning, Delayed engagement or missing gears

What to Inspect:
  • Test drive from cold and again when warm
  • Check gearbox-specific service invoices and obtain a diagnostic report
Verified by IsItAGoodCar Research TeamUpdated

TDI AdBlue / NOx Sensor Faults

SeriousExhaust & Emissions

SCR dosing or NOx sensor faults can trigger an emissions warning and a no-restart countdown. Adding fluid alone does not resolve every system fault.

Warning Signs:

AdBlue system fault, No-restart countdown

What to Inspect:
  • Check stored faults and repair invoices
  • Have dosing pressure and NOx readings checked before replacing parts
Verified by IsItAGoodCar Research TeamUpdated

Dual MMI Touch Response Screen Freezing and In-Car Sim Dropout

ModerateElectrics & Electronics

The dual upper and lower haptic touchscreens can suffer software freezing, boot lag, and random dropouts of Audi Connect online navigation services.

Est. Repair Cost: £0–£750
Warning Signs:

Lower climate control display becomes unresponsive, Top screen stuck on loading screen, Connected smartphone CarPlay drops

What to Inspect:
  • Test both touchscreens through multiple submenus
  • Verify MMI software revision history
Verified by IsItAGoodCar Research TeamUpdated

Front Suspension Multi-Link Control Arm Bushing Wear

ModerateSuspension & Chassis

Due to the nearly 2-tonne curb weight and large 20/21-inch alloy wheels, the rubber-metal hydro-bushings in the front five-link suspension tear and leak damping fluid, causing front-end thumping over bumps.

Est. Repair Cost: £350–£750
Warning Signs:

Thumping noise over speed humps, Vague high-speed motorway tracking, Uneven inner front tyre wear

What to Inspect:
  • Inspect front upper and lower control arm rubber bushes for splits or fluid leakage
  • Check front tyres for uneven shoulder wear
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 2022 Audi A7 (4K8)

  • ✓Ensure all software recalls and updates are completed
  • ✓Test the frameless windows for correct sealing and wind noise
  • ✓Check for smooth S tronic operation from cold and warm