MG brand mark

2022–2025 MG MG4 · common problems & known faults

A value electric hatch where battery health and software version decide the price.

Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026

Quick answer

The most commonly reported faults on the 2022–2025 MG MG4 are State of health variation on rapid charged cars, Infotainment and driver assist software faults and Disc corrosion from regen braking. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.

Reliability snapshot

Based on the documented faults on this page for the MG MG4.

7.6/ 10
Solid
Critical
0
High
1
Medium
2
Low
1

Guidance only · reflects reported patterns, not a specific car's condition.

Known faults to check

BatteryHigh

State of health variation on rapid charged cars

Typically appears
30,000+ miles
What to inspect
Get a battery health readout before purchase
SoftwareMedium

Infotainment and driver assist software faults

Typically appears
Age-related
What to inspect
Confirm software updates have been applied
BrakesMedium

Disc corrosion from regen braking

Typically appears
20,000+ miles
What to inspect
Inspect disc faces for pitting
InteriorLow

Trim rattles and seat wear

Typically appears
30,000+ miles
What to inspect
Drive a rough road and inspect the seats

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Frequently asked questions

Is the MG4 a good used EV?

Yes on price, provided battery health checks out.

What do buyers ask?

Real world range and warranty remaining.

Any recurring complaint?

Driver assistance chimes, often improved by a software update.

Sources & further reading

Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.