MG brand mark

Is the 2019–2025 MG HS reliable?

Scored from 8 documented faults · reviewed by the VehicleFaults Research Team

Quick answer

4.3/ 10
Buy with caution

On our documented-fault scoring the MG HS rates 4.3 out of 10 · buy with caution. We hold 8 known faults for it and 3 are rated high severity, so the risk is real but contained. The weak points cluster around transmission, electrical and battery. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.

Verdict · Walk unless the history is spotless

What the score is built from

Critical
0
High
3
Medium
4
Low
1

Weak points cluster around transmission, electrical, battery, suspension.

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The faults that decide it

TransmissionHigh

Dual-clutch hesitation and jerky low-speed shifts

Typically appears
40,000+ miles
What to inspect
Drive in traffic from cold
Typical repair
DCT clutch pack / mechatronic work · £900–£3,200
BatteryHigh

PHEV battery health and charging faults

Typically appears
Any
What to inspect
Charge the car fully and confirm the electric range achieved
Typical repair
HV battery module work · £1,200–£8,000
Engine CoolingHigh

Coolant loss and sweet smell under the bonnet due to thermostat housing or water pump leaks on the 1.5 T-GDI.

Typically appears
30,000-50,000 miles
What to inspect
Check the coolant expansion tank level. Shine a torch down the left side of the engine block to look for pink crusting around the thermostat housing.
Typical repair
Head gasket / cooling system repair · £900–£2,600
ElectricalMedium

Infotainment lag, freezing and camera faults

Typically appears
Any
What to inspect
Test every screen function twice
Typical repair
Infotainment repair or software fix · £120–£1,200
SuspensionMedium

Ride harshness and early bush wear

Typically appears
50,000+ miles
What to inspect
Listen for knocks over speed bumps
Typical repair
Suspension refresh (per axle) · £250–£1,100

Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.

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