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2018 Audi Q8 (4M8)

Browse our directory of 2018 Audi Q8 (4M8) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

Registration Directory

1155 CR137 HJJ175 DA1978 CM19 NA31 DLT37 FN38 KAY3 ACT3 EEN55 NB5 RDD5 UGS74 P7 TAM81 GN81 RNGA22 HEDA24 HRPA26 EREA28 MRYA60 LDYA7 DYTA8 EUUA9 UFAAB11 DFMAB13 EYAAC02 ANTAF68 AEAAF68 VMMAF68 XLXAK05 XXXAK68 MXMAK68 UEJAK68 UNHAN52 BASAO68 BEYAO68 HWHAO68 MYWAO68 UVC

Showing registrations 1–40 of 683 for the 2018 Audi Q8 (4M8). Select any plate for an instant vehicle history check.

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Common Problems & Reliability

3
Serious
1
Moderate
0
Minor

The 2018 Audi Q8 (4M8) has 4 known issues. 3 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.

48V Mild Hybrid System Faults

Serious

The belt-starter-generator can fail, disabling start-stop and energy recuperation, and potentially stranding the car when both batteries drain.

Symptoms: Electrical system malfunction warning, Start-stop inactive...

Est. repair cost: £0 (recall) – £1,500

Adaptive Air Suspension Leaks

Serious

The air springs can develop leaks causing uneven ride height, and the compressor burns out trying to compensate.

Symptoms: One corner sitting low after parking, Compressor running constantly...

Est. repair cost: £800–£2,500

TDI SCR / AdBlue System Faults

Serious

Diesel versions with SCR can develop dosing, heater or NOx sensor faults. A system fault may lead to a no-restart countdown even with sufficient AdBlue; diagnosis should distinguish fluid level from component failure.

Symptoms: AdBlue system warning, No-restart countdown

Infotainment and MMI Freezing

Moderate

The dual-touchscreen MMI system can freeze, go black, or reboot spontaneously, affecting climate and vehicle controls.

Symptoms: Frozen or black screens, Climate controls unresponsive...

Est. repair cost: £0–£900

View detailed Audi Q8 (4M8) fault guide

Buying Tips for the 2018 Audi Q8 (4M8)

  • Verify the 48V BSG recall campaign has been completed
  • Check both MMI touchscreens for lag and dead spots
  • Inspect large alloy wheels for kerb damage — replacements are very expensive

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