BatteryMedium
Range loss and slow charging in cold weather
- Typically appears
- Age-related
- What to inspect
- Check range at full charge and ask about cold-weather use
2020–2026 MG 5 · common problems & known faults
One of the cheapest electric estates on the used market, where battery health, charging and the 12-volt battery need checking.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed October 2026
Quick answer
The most commonly reported faults on the 2020–2026 MG 5 are Range loss and slow charging in cold weather, 12-volt battery going flat and stopping the car starting and Charge port and charging-cable faults. Most reported issues are medium or low severity, but a pre-purchase inspection is still recommended. Full inspection points, onset mileage and what to check are listed below.
Turn these known faults into a step-by-step viewing plan for this exact MG 5 · $9.
Build the inspection planReliability snapshot
Based on the documented faults on this page for the MG 5.
7.7/ 10
- Critical
- 0
- High
- 0
- Medium
- 3
- Low
- 3
Guidance only · reflects reported patterns, not a specific car's condition.
Known faults to check
BatteryMedium
12-volt battery going flat and stopping the car starting
- Typically appears
- Age-related
- What to inspect
- Ask if the 12-volt battery has been replaced
Turn these known faults into a step-by-step viewing plan for this exact MG 5 · $9.
Build the inspection planElectricalLow
Infotainment lag and phone connection drop-outs
- Typically appears
- Age-related
- What to inspect
- Connect your phone and use the screen
ChargingMedium
Charge port and charging-cable faults
- Typically appears
- Age-related
- What to inspect
- Plug the car in and check it starts charging
SuspensionLow
Rear suspension knocks on loaded cars
- Typically appears
- 40,000+ miles
- What to inspect
- Listen over speed bumps
BrakesLow
Rear disc corrosion from regen braking
- Typically appears
- Age-related
- What to inspect
- Look for rust and lips on the rear discs
Inspecting a MG 5?
Build a tickable plan for the viewing · where to look, what a bad result means and what to ask the seller. One-off price $9.
Build my inspection planFrequently asked questions
Is the MG5 EV a good buy?
It offers a lot of space for the money if the battery is healthy.
What is the battery warranty?
MG offers seven years or 80,000 miles on new cars; check what remains.
Is it good for long trips?
Later Long Range models are better for motorway journeys.
What is the biggest risk?
A weak 12-volt battery, which is cheap but can leave you stranded.
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.
More MG models
Buying a MG 5? Build a step-by-step viewing plan for this exact car · $9.
Build the plan