MOT reliability

Mg M.g.b.

Q: Is the Mg M.g.b. reliable?

Across 5 Mg M.g.b. vehicles in our MOT data, 54% pass the MOT (a 46% failure rate), with about 4.9 faults or advisories recorded per test.

Q: What is the average mileage of a Mg M.g.b.?

The typical Mg M.g.b. in our data has covered around 49,834 miles.

5 vehicles · 24 completed MOT tests analysed

54%

MOT pass rate

Based on 5 Mg M.g.b. vehicles and 24 completed MOT tests, the Mg M.g.b. has an overall 54% pass rate, with an average recorded mileage of 49,834 miles.

Vehicles

MOT tests

770

Avg miles / year

4.9

Faults per test

Dangerous-fault share

Mg M.g.b. problem areas

Where faults occur most across all Mg M.g.b. MOT tests:

Other56%
Tyres, wheels & suspension23%
Emissions & nuisance13%
Lamps & electrical4%
Seatbelts & equipment3%
Visibility3%
Steering3%
Brakes2%

Mg M.g.b. pass rate by age

Age (years)	Tests	Pass rate

Fuel types: Petrol (5)

Most common Mg M.g.b. MOT faults

These are the faults and advisories recorded most often across Mg M.g.b. MOT tests:

Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (3 times)
Nearside Front Play in steering rack inner joint(s) (3 times)
Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)) (3 times)
Offside Front Play in steering rack inner joint(s) (3 times)
Offside Front Wheel bearing has slight play (5.1.3 (a) (i)) (3 times)
Oil leak, but not excessive Engine (8.4.1 (a) (i)) (3 times)
Oil leak, but not excessive Gearbox (8.4.1 (a) (i)) (3 times)
Oil leak, but not excessive Rear differential (8.4.1 (a) (i)) (3 times)
Horn not working (1.6.2a) (2 times)
Nearside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3) (2 times)
Offside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3) (2 times)
Rear Registration plate lamp not working (1.1.5c) (2 times)
Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (2 times)
Offside Front Steering rack gaiter split (2.2.D.2d) (2 times)
Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (2 times)

Mg M.g.b. pass rate by registration year

Year	Vehicles	Tests	Pass rate	Avg mileage
1979	1	1	0%	33,274
1977	1	2	50%	73,352

Mg M.g.b. reliability FAQ

Across 5 Mg M.g.b. vehicles in our MOT data, 54% pass the MOT (a 46% failure rate), with about 4.9 faults or advisories recorded per test.

The most frequently recorded Mg M.g.b. MOT issues are: Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3); Nearside Front Play in steering rack inner joint(s) ; Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)).

The typical Mg M.g.b. in our data has covered around 49,834 miles.

Compare the Mg M.g.b.

See how the Mg M.g.b. stacks up against other Mg models on MOT reliability:

M.g.b. vs Metro M.g.b. vs B gt M.g.b. vs Mgf M.g.b. vs Zs

Check a specific Mg M.g.b.

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Mg models · Learn about common MOT failures · what an MOT checks