Question 1

What is Aggressive Lane Keep Assist (LKA) on the MG MG4?

Accepted Answer

The LKA system on early software can provide sudden and intrusive steering inputs. Which? found it could pull the car onto the wrong side of the road. Software updates have improved this significantly.

Question 2

What is Rear Drive Unit Oil Leak on the MG MG4?

Accepted Answer

Some early MG4 models have suffered from oil leaks from the rear motor/drive unit.

Question 3

What is Infotainment Screen Blackouts on the MG MG4?

Accepted Answer

The central touchscreen can go black or freeze during driving, sometimes requiring a full system restart. This is a known software issue addressed by updates.

Question 4

What is Brake Squealing on the MG MG4?

Accepted Answer

Many MG4 owners report persistent brake squeaking, especially at low speeds. This is partly due to the regenerative braking system meaning the physical brakes are used infrequently, leading to surface corrosion.

Question 5

What is 12V Battery Drainage on the MG MG4?

Accepted Answer

Like many EVs, the 12V battery can fail or drain prematurely, preventing the car from entering "Ready" mode. This has been a common complaint on early models.

Question 6

What should I check when buying a used MG MG4?

Accepted Answer

Test the Lane Keep Assist; early software was considered overly aggressive.

Question 7

What should I check when buying a used MG MG4?

Accepted Answer

Look for oil or coolant leaks from the rear drive unit area.

Question 8

What should I check when buying a used MG MG4?

Accepted Answer

Ensure the infotainment software is on the latest version to avoid screen freezes.

Question 9

What years was the MG MG4 made?

Accepted Answer

The MG MG4 was produced from 2022 to 2024.

MG MG4

MG4 Reliability & Common Faults

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