MG HS MOT pass rate and common problems

The MG HS passed 88.3% of its initial MOT tests in 2025, 16 percentage points above the 72.3% UK average. The item testers recorded most often was brake pads less than 1.5 mm thick.

Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.

How the HS compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

88.3%

MG HS

80.9%

MG average

72.3%

UK average, all cars

The HS runs 7.5 points ahead of the MG average. It is 2nd of the 12 MG models in the data. The average HS arrived at its test 3.4 years old with 28,772 miles recorded.

A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.

HS MOT pass rate by age

The same 2025 tests split by the car's age at test.

Age at testTestsPass ratevs UK average
3 to 5 years 16,562 88.7% 16.4 pts above
6 to 10 years (small sample) 10 90% 17.7 pts above

Too few tests fall into some age groups to compare them reliably. The UK average of 72.3% covers cars of every age, so compare like with like.

Where HS failures cluster

Every failure item recorded on MG HS cars in 2025, grouped into the DVSA's test areas.

  • Tyres25.2%
  • Brakes25.2%
  • Lamps, reflectors and electrical equipment23.4%
  • Visibility13.8%
  • Noise, emissions and leaks3.7%
  • Identification of the vehicle2.3%

Tyres and brakes together account for 50.4% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common HS MOT failures

Specific items recorded on MG HS cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Brake pads less than 1.5 mm thickBrakes 10.5%
  2. 2Condition has a cut in excess of the requirements deep enough to reach the ply or cordsTyres 9.3%
  3. 3Headlamp aim too lowLamps, reflectors and electrical equipment 8.9%
  4. 4Tyre pressure monitoring system malfunctioning or obviously inoperativeTyres 8.2%
  5. 5Headlamp aim too highLamps, reflectors and electrical equipment 5.6%
  6. 6Brake discs significantly and obviously wornBrakes 5.6%
  7. 7Washers provides insufficient washer liquidVisibility 5%
  8. 8Washers not workingVisibility 4.8%
  9. 9Tread depth below requirements of 1.6mmTyres 4.3%
  10. 10Wipers does not clear the windscreen effectivelyVisibility 3.2%

Together these 10 items make up 65.3% of everything testers recorded against failed MG HS cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a HS

The recorded failures above, grouped by area, biggest first.

1

Tyres

Recorded most often: condition has a cut in excess of the requirements deep enough to reach the ply or cords, tyre pressure monitoring system malfunctioning or obviously inoperative and tread depth below requirements of 1.6mm. 21.8% of failure items.

2

Brakes

Recorded most often: brake pads less than 1.5 mm thick and brake discs significantly and obviously worn. 16.1% of failure items.

3

Lamps, reflectors and electrical equipment

Recorded most often: headlamp aim too low and headlamp aim too high. 14.5% of failure items.

4

Visibility

Recorded most often: washers provides insufficient washer liquid, washers not working and wipers does not clear the windscreen effectively. 12.9% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific HS has failed on these items before, or had them noted as advisories. Buying one? See the used MG HS buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

MG HS MOT FAQs

What is the MG HS MOT pass rate?

88.3% of MG HS cars passed their initial MOT first time in 2025, from 32,722 tests. That is 16 percentage points above the 72.3% average for all cars, and ranks 62nd of 575 models.

What does a MG HS most commonly fail its MOT on?

The item testers recorded most often on MG HS cars failing their 2025 MOT was brake pads less than 1.5 mm thick, on 10.5% of failure items. Next were condition has a cut in excess of the requirements deep enough to reach the ply or cords (9.3%) and headlamp aim too low (8.9%).

Which area causes the most MG HS MOT failures?

Across every recorded failure item, the largest area was tyres at 25.2%, followed by brakes at 25.2%.

Does this mean every MG HS has these problems?

No. These are the items testers recorded across every MG HS that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.

How do I see a specific MG HS's MOT history?

Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.

MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.