MG HS reliability, MPG and running costs
Figures updated
The MG HS is a car. In 2024 MOT tests it scored 117 for reliability (100 is average), ranking 162 of 442, and 10.4% failed first time against a UK average of 28.5%. Its most common MOT failure is brake pads (1.6% of tests).
Ranked 162 of 442 cars in the 2024 MOT Reliability League
In 2024, 8,565 MG HSes aged 3 to 20 had an MOT and 10.4% failed first time (UK average 28.5%). Taking age and mileage into account, the MG HS is 15% less likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 10.5% failed (UK 12.7%).
First-time fail rate
10.4%
UK 28.5%
Fail rate at 3 years
10.5%
UK 12.7%
Average miles a year
8,500
Typical age at test: 3 years
MG HS MOT failure rate by age
Most common MG HS MOT faults
- Brake pads: less than 1.5 mm thick1.6% of tests
- Condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.2% of tests
- Brake discs: significantly and obviously worn1.0% of tests
- Tyre pressure monitoring system: malfunctioning or obviously inoperative0.9% of tests
- Washers: not working0.9% of tests
- Washers: provides insufficient washer liquid0.7% of tests
What the MG HS fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Tyres | 2.9% | ▼ 40% less often |
| Brakes | 2.9% | ▲ 1.6× as often |
| Lights and electrics | 2.2% | ▼ 14% less often |
| Visibility | 2.1% | ▼ 31% less often |
| Exhaust and emissions | 0.5% | About average |
| Seat belts and airbags | 0.5% | ▲ 1.6× as often |
| Suspension | 0.3% | ▼ 56% less often |
| Body and structure | 0.2% | ▼ 39% less often |
| Steering | 0.1% | ▼ 44% less often |
| Wheels | 0.1% | ▼ 69% less often |
What MPG does the MG HS do?
Official economy for the MG HS ranges from 36.6 to 37.9mpg across the 18 versions listed by the Vehicle Certification Agency (2020–2025). A typical petrol version manages 37.9mpg. Expect 10–15% less in real-world driving.
Work out a journey's fuel costHow much is road tax on a MG HS?
Any MG HS first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).
Work out tax for a specific carMG HS specs and running costs
Official figures for 18 versions sold in the UK between 2020 and 2025.
Fuel types
Petrol, Plug-in hybrid
Official economy
36.6–37.9 mpg
CO2
43–174 g/km
Power
119–162 PS
| Version | Fuel | Economy | CO2 | Car tax | Company car tax |
|---|---|---|---|---|---|
| HS 2023MY SE 1.5T GDi162 PS · M6 · listed 2025 | Petrol | 37.9 mpg | 168g | £200 | 37% |
| HS 2023MY SE 1.5T GDI DCT162 PS · 7DCT · listed 2025 | Petrol | 36.6 mpg | 174g | £200 | 37% |
| HS 2023MY Trophy 1.5T GDi162 PS · M6 · listed 2025 | Petrol | 37.9 mpg | 168g | £200 | 37% |
| HS 2023MY Trophy 1.5T GDi DCT162 PS · 7DCT · listed 2025 | Petrol | 36.6 mpg | 174g | £200 | 37% |
| HS Plug-in 2023MY SE 1.5T GDi Plug-in Hybrid162 PS · 10 Speed Automatic · listed 2025 | Plug-in hybrid | 155.8 mpg | 43g | £200 | 10% |
| HS Plug-in 2023MY Trophy 1.5T GDi Plug-in Hybrid162 PS · 10 Speed Automatic · listed 2025 | Plug-in hybrid | 155.8 mpg | 43g | £200 | 10% |
| HS 2021MY Excite 1.5T GDi119 PS · M6 · listed 2024 | Petrol | 37.9 mpg | 168g | £200 | 37% |
| HS 2021MY Exclusive 1.5T GDi119 PS · M6 · listed 2024 | Petrol | 37.9 mpg | 168g | £200 | 37% |
| HS 2021MY Excite 1.5T GDI DCT119 PS · 7DCT · listed 2024 | Petrol | 36.6 mpg | 174g | £200 | 37% |
| HS 2021MY Exclusive 1.5T GDi DCT119 PS · 7DCT · listed 2024 | Petrol | 36.6 mpg | 174g | £200 | 37% |
| HS Plug-in 2021MY Excite 1.5T GDi Plug-in Hybrid119 PS · 10 Speed Automatic · listed 2024 | Plug-in hybrid | 155.8 mpg | 43g | £200 | 10% |
| HS Plug-in 2021MY Exclusive 1.5T GDi Plug-in Hybrid119 PS · 10 Speed Automatic · listed 2024 | Plug-in hybrid | 155.8 mpg | 43g | £200 | 10% |
| HS (2021MY) Excite 1.5T GDi162 PS · M6 · listed 2020 | Petrol | 37.9 mpg | 168g | £200 | – |
| HS (2021MY) Excite 1.5T GDI DCT162 PS · 7DCT · listed 2020 | Petrol | 36.6 mpg | 174g | £200 | – |
| HS (2021MY) Exclusive 1.5T GDi162 PS · M6 · listed 2020 | Petrol | 37.9 mpg | 168g | £200 | – |
Economy and CO2 are official WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement. Company car tax is the 2026/27 benefit-in-kind rate. Showing the 15 most recent of 18 versions.
What a MG HS costs to fuel
- petrol, typical official 37.9mpg…
Official figures are usually 10–15% better than real-world driving.
Work out a journey in a MG HSBuying a used MG HS?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Other MG models
Frequently asked questions
›Is the MG HS reliable?
Its MOT record is better than average: the MG HS is 15% less likely to fail than the average car of the same age and mileage, with a reliability score of 117 in our 2024 league (100 is average).
›What are common problems with the MG HS?
The most common MOT fault is “Brake pads: less than 1.5 mm thick”, found in 1.6% of tests. It fails on brakes more often than similar cars.
›What MPG does the MG HS do?
Official economy for the MG HS ranges from 36.6 to 37.9mpg across the 18 versions listed by the Vehicle Certification Agency (2020–2025). A typical petrol version manages 37.9mpg. Expect 10–15% less in real-world driving.
›How much is road tax on a MG HS?
Any MG HS first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).
›How many MG HSes fail their MOT?
10.4% of MG HSes aged 3 to 20 failed their MOT first time in 2024, and 10.5% failed at their first MOT.
Sources: DVSA anonymised MOT tests 2024, all versions of the MG HS combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.