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
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 cautionOn 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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Build the inspection planThe faults that decide it
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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