RegVerdict Model Intelligence
MG 3 reliability
MOT pass rates & common faults·26,931 DVSA tests·2024
Across 26,931 real DVSA MOT tests in 2024, 79% of MG 3 cars aged 4 to 7 years pass their MOT first time, behind the 85% average for all cars of that age. The faults that come up more than usual are in lights & electrics and brakes.
79%
Below average for its agepass first time (4 to 7 years)
Below average for its age
-6.6 pts
MOT pass rate by age
Up to 3 years
1,145 tests · fleet 89%
85%
4 to 7 years
15,818 tests · fleet 85%
79%
8 to 12 years
9,968 tests · fleet 73%
71%
Where the 3 fails
Suspension98
Brakes96
Body & structure100
Steering99
Tyres95
Lights & electrics95
Fails more often on lights & electrics, brakes, tyres. Holds up better on emissions & leaks.
Share of 4 to 7 years MG 3 MOTs with no fault in each area; the marker shows the fleet average. OGL v3.0.
How it tends to age
How the MG 3 tends to age
The MOT areas flagged most often on MG 3 models 8 to 12 years old. It is the model’s typical pattern across millions of tests, not a forecast for this specific car.
- Suspension · flagged on ~6% of MOTs
- Brakes · flagged on ~5% of MOTs
- Lights & electrics · flagged on ~5% of MOTs
- Tyres · flagged on ~5% of MOTs
Common questions
Is the MG 3 reliable?
On 2024 MOT data the MG 3 is more demanding than average for its age: 79% of examples aged 4 to 7 years pass first time, against a 85% fleet average. Give lights & electrics, brakes and tyres a close look on any one you view.
What is the MOT pass rate for a MG 3?
First-time MOT pass rates for the MG 3 in 2024: up to 3 years, 85%; 4 to 7 years, 79%; and 8 to 12 years, 71%. Pass rates fall with age across the whole fleet, so compare each figure with cars of the same age, not with a new car.
What commonly fails on a MG 3 MOT?
For MG 3 cars aged 8 to 12 years, the areas that fail an MOT more often than the fleet average are seat belts (3% of tests vs 0.4% fleet), visibility (4.4% of tests vs 2.8% fleet).
Other MG models
Check a MG 3’s full history