MG B MOT Data
Pass rate, failures & statistics from 3,609 tests
85.8%
Excellent
Reliability Verdict
#292
of 605 models
51.6%
Better than X% of cars
+3.5%
vs National Average
Common MOT Failures
Brakes18,194
Tyres12,365
Suspension11,664
Lamps, reflectors and electrical equipment8,450
Noise, emissions and leaks4,534
Visibility3,333
Body, chassis, structure2,812
Steering1,805
Number of failure items recorded across all MOT tests
Mileage Distribution
0–30K miles1,382
30–60K miles1,111
60–90K miles776
90–120K miles340
120K+ miles0
How It Compares
| Model | Pass Rate |
|---|---|
| MG B | 85.8% |
MG B — MOT Overview
Based on 3,609 MOT tests, the MG B has an overall pass rate of 85.8%. This is above the national average of 82.3%, making it rank #292 out of 605 models tested.
The most common failure reasons for the MG B are brakes, tyres, suspension. Brakes accounts for 70.6% of all failure items recorded.
Before your MG B's MOT, check your lights, tyres (minimum 1.6mm tread depth), brakes, windscreen, and dashboard warning lights. These are the most commonly failed items across all vehicles.
Frequently Asked Questions
What is the MG B MOT pass rate?▼
The MG B has an overall MOT pass rate of 85.8% based on 3,609 tests. This puts it at #292 out of 605 car models tested.
What are the most common MG B MOT failures?▼
The most common failure items are: Brakes (70.6%), Tyres (48%), Suspension (45.3%), Lamps, reflectors and electrical equipment (32.8%), Noise, emissions and leaks (17.6%).
Is the MG B reliable?▼
The MG B is rated "Excellent" for MOT reliability, with a pass rate of 85.8% — 3.5 percentage points above the national average. MOT pass rate is one indicator of reliability, alongside owner reviews and recall history.
How much does an MOT cost for a MG B?▼
The maximum MOT fee for a MG B (Class 4) is £54.85, set by the DVSA. Many garages charge less — you can typically find MOTs for £25–£40. The test itself takes 45–60 minutes.