MG 3 MOT pass rate
81.4% of 26,936 MG 3 MOT tests pass.
At 81.4%, The 3 passes slightly less often than the average across all MG models (84.6%).
The MG 3 has a pass rate of 81.4%, a little higher than the national average for cars (79.2%).
Own this MG 3?
This is the average across every MG 3 in the dataset. Look up your own registration for its actual MOT history, and a free place to keep its maintenance records.
How to check and keep your MG’s service history →
Pass rate by vehicle age
Pass rate declines noticeably with age, from 92.1% at 0–3 years to 73.6% at 10–15 years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 92.1% | 845 | 18,921 miles |
| 3–6 years | 86.8% | 10,634 | 28,254 miles |
| 6–10 years | 77.3% | 14,237 | 47,052 miles |
| 10–15 years | 73.6% | 1,217 | 59,474 miles |
| 15+ years | too few tests (3) | 3 | no reading |
Common MOT failure reasons for the MG 3
The most common reason the MG 3 fails its MOT is lamps, reflectors and electrical equipment — present in 33.3% of failed tests, most often logged as "Too low".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 33.3% | Too low |
| Brakes | 32.1% | Efficiency below requirements |
| Tyres | 29.8% | Tread depth below requirements of 1.6mm |
| Suspension | 19.6% | Pin or bush excessively worn |
| Visibility | 18.4% | Does not clear the windscreen effectively |
| Seat belts and supplementary restraint systems | 7.5% | Warning lamp indicates a fault |
| Steering | 4.6% | Ball joint has excessive play |
| Noise, emissions and leaks | 4.5% | Inoperative or indicates a malfunction |
| Body, chassis, structure | 2.8% | Component leaking |
| Identification of the vehicle | 0.7% | Does not conform to the specified requirements |
Related MG models
- MG ZS — 86.8% pass rate
- MG HS — 93.9% pass rate
- MG TF — 74.3% pass rate
- MG MGF — 70.1% pass rate
- MG ZS EXCLUSIVE VTI-TECH — 91.7% pass rate
- MG 5 — 92.7% pass rate
Frequently asked questions
- What is the MOT pass rate for the MG 3?
- 81.4% of MG 3 MOT tests pass, based on 26,936 tests in the DVSA anonymised MOT tests and results dataset.
- What are the most common MOT failures for the MG 3?
- The most common reason the MG 3 fails its MOT is lamps, reflectors and electrical equipment — present in 33.3% of failed tests, most often logged as "Too low".
- Does this show the MG 3's service history?
- No — this is MOT test data, which covers roadworthiness, not servicing. A service history is a separate record of maintenance work, which a specific car only has if its owner has kept it. See the MG service history guide for how to check and keep one.