Reliability Guide
Common MG Problems
Select a model below to discover known faults, common MOT failures, estimated repair costs, and buying tips.
Select a MG Model
MG4
2022 – 2024
5 documented issues 1 severe
MG5 EV
2020 – 2024
5 documented issues
MG HS
2019 – 2024
5 documented issues 1 severe
MG ZS EV
2019 – 2024
4 documented issues
MG ZS (Modern Petrol)
2017 – 2024
4 documented issues 1 severe
MG3
2013 – 2024
5 documented issues 2 severe
MG TF
2002 – 2011
4 documented issues 2 severe
MG ZR
2001 – 2005
5 documented issues 1 severe
MG ZS (Classic)
2001 – 2005
4 documented issues 1 severe
MG ZT / ZT-T
2001 – 2005
5 documented issues 3 severe
MGF
1995 – 2002
2 documented issues 1 severe
Brand-wide MG Problem Patterns
K-Series Engine (Classic): Head gasket failure is extremely common but can be permanently fixed with uprated parts.
Modern Infotainment: Lag and occasional system crashes affect most models from 2017–2021.
MG4 Coolant Leaks: Some owners report blue/green fluid leaks from the drive unit cooling system.
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