Used car guide

2021 MG HS: petrol or diesel?

Petrol, diesel and hybrid versions go wrong in different ways, so each has its own figures from the MOTs these cars had during 2023–2025. Pick the one you’re looking at: the fuel is on the logbook and in the car’s MOT history.

Diesel versions had too few MOTs for figures of their own, or weren’t sold.

Known faults on every 2021 MG HS

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

  • Infotainment crashes and electronic glitches

    All engines

    Owners report frequent electronic glitches, mainly the infotainment crashing, plus central locking failures and battery drain. MG came last of 30 makers in What Car?'s survey, with long waits for diagnosis.

    At the viewing: Use the screen, lock and unlock several times, and check the warranty status.

    Source: What Car?: used MG HS (2019-2024) reliability

  • Noisy clutch release bearing and rear disc wear

    All engines

    Noisy clutch release bearings and early wear of the rear brake discs are reported.

    At the viewing: Listen when pressing the clutch, and look at the rear discs.

    Source: What Car?: used MG HS (2019-2024) reliability

Looking at an MG HS?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the MG HS compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
20232,381Tyres 14%
202219,853Brakes 22%
20209,117Brakes 22%
2019288Brakes 26%