Mg
Running costs, reliability, and MOT data for 41 models from 198,673 real MOT tests.
Avg Pass Rate
86%
Total Tests
198,673
Models
41
Years Covered
1993-2024
All Mg Models
| Model | Years | Pass Rate | Tests | Fuel |
|---|---|---|---|---|
| Zs | 11 yrs | 79% | 34,147 | Petrol |
| 3 | 10 yrs | 85% | 31,882 | Petrol |
| Zs Exclusive Ev | 3 yrs | 92% | 16,223 | Electric |
| Tf | 10 yrs | 80% | 16,132 | Petrol |
| Mgf | 10 yrs | 75% | 14,010 | Petrol |
| Zs Exclusive Vti-tech | 4 yrs | 94% | 8,731 | Petrol |
| 5 Exclusive | 3 yrs | 92% | 8,183 | Electric |
| Hs Exclusive S-a | 3 yrs | 94% | 7,602 | Petrol |
| Hs Exclusive | 4 yrs | 93% | 5,919 | Petrol |
| Gs | 4 yrs | 84% | 5,205 | Petrol |
| Zs Exclusive T-gdi Auto | 4 yrs | 93% | 5,034 | Petrol |
| Zs Excite Vti-tech | 3 yrs | 91% | 4,458 | Petrol |
| Zr | 6 yrs | 76% | 3,628 | Petrol |
| 6 | 6 yrs | 74% | 3,526 | Petrol, Diesel |
| 5 Excite | 3 yrs | 89% | 3,489 | Electric |
| 3 Exclusive Nav Vti-tech | 3 yrs | 93% | 3,473 | Petrol |
| Zs Excite Ev | 3 yrs | 89% | 2,931 | Electric |
| Hs Excite S-a | 3 yrs | 94% | 2,726 | Petrol |
| Hs Exclusive Phev Auto | 4 yrs | 96% | 2,710 | Hybrid |
| Hs Excite | 3 yrs | 92% | 2,663 | Petrol |
| Zt | 7 yrs | 76% | 2,635 | Diesel, Petrol |
| Zt-t | 6 yrs | 74% | 1,641 | Petrol, Diesel |
| Zs Exclusive T-gdi | 2 yrs | 95% | 1,626 | Petrol |
| Zs Excite T-gdi Auto | 3 yrs | 92% | 1,509 | Petrol |
| Zs Trophy Ev | 3 yrs | 93% | 1,231 | Electric |
| Rv8 | 5 yrs | 91% | 1,197 | Petrol |
| Hs Excite Phev Auto | 4 yrs | 93% | 932 | Hybrid |
| 4 Se | 2 yrs | 96% | 871 | Electric |
| Zs Se Ev | 3 yrs | 90% | 833 | Electric |
| Zs Trophy Connect Ev | 3 yrs | 93% | 667 | Electric |
| Mg 5 Exclusive Ev | 3 yrs | 92% | 590 | Electric |
| 5 Trophy | 2 yrs | 94% | 560 | Electric |
| 4 Trophy | 2 yrs | 92% | 391 | Electric |
| Mg 5 Excite Ev | 2 yrs | 89% | 379 | Electric |
| Zs Limited Edition Auto | 1 yr | 91% | 308 | Petrol |
| Hs | 2 yrs | 94% | 274 | Petrol |
| 5 Se | 1 yr | 97% | 190 | Electric |
| 6 Se Gt Turbo | 1 yr | 63% | 52 | Petrol |
| 3 Form Plus Sport Vti-tech | 1 yr | 81% | 47 | Petrol |
| Hs Trophy S-a | 1 yr | 97% | 37 | Petrol |
| 6 S Gt Turbo | 1 yr | 81% | 31 | Petrol |
Checking a specific Mg?
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How reliable is Mg?
About Mg Cars
Mg ranks 73th out of 145 car manufacturers for MOT reliability, with an average pass rate of 86%. That's slightly above the national average of 82%, putting Mg in solid middle ground for reliability.
With 41 models across 32 years of data (1993 to 2024), there's a wide spread of 34 percentage points between the most and least reliable models. Choosing the right model matters significantly with Mg.
Most and Least Reliable Mg Models
The 5 Se leads the range with a 97% average pass rate from 190 tests. At the other end, the 6 Se Gt Turbo has the lowest at 63%. Overall, more than half of Mg's models achieve above-average pass rates, which is a good sign for the brand.
Mg Fuel Types
Mg models in our data come in 26 petrol, 3 diesel, 2 hybrid, 13 electric variants. Mg is among the manufacturers offering electric options in the UK market.
Click any model above to see detailed year-by-year reliability data, running cost breakdowns, and comparisons with similar cars. You can also enter a specific registration plate to get a full vehicle report with MOT history, mileage verification, and health score.