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MG reliability: MOT results 2024

Figures updated

86Below average

Ranked 44 of 52 makes

85,132 MG cars aged 3 to 20 had an MOT in 2024, and 20.5% failed first time (UK average 28.5%). Allowing for age and mileage, a MG is 16% more likely to fail than the average car of the same age and mileage. At their first MOT, 12.5% failed (UK 12.7%).

MG models ranked

ModelScoreFail rateFirst MOTTests
MG HS11710.4%10.5%8,565
MG TF11430.4%–6,133
MG 510513.3%13.4%3,652
MG ZS8117.3%12.4%38,049
MG 37024.6%16.9%20,229
MG GS7026.5%–2,867

MG MOT failure rate by age

0%10%20%30%40%50%36912151820UK average 43%MG 34%

What MG cars fail on

AreaTests failingvs similar cars
Lights and electrics6.7%▲ 1.3× as often
Brakes5.8%▲ 1.6× as often
Tyres5.5%About average
Suspension3.4%About average
Visibility3.1%▼ 14% less often
Exhaust and emissions2.0%▲ 1.4× as often
Seat belts and airbags1.1%▲ 2.1× as often
Body and structure1.1%▼ 17% less often
Steering0.9%▲ 1.3× as often
Wheels0.1%▼ 37% less often

Most common MG MOT faults

  1. Headlamp: not working on dipped beam1.8% of tests
  2. Tread depth: tread depth below requirements of 1.6mm1.7% of tests
  3. Brake pads: less than 1.5 mm thick1.5% of tests
  4. Wipers: does not clear the windscreen effectively1.5% of tests
  5. Condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.4% of tests
  6. Headlamp aim: too low1.4% of tests

Compare MG cars with their rivals

New MG models: MG MG4

Frequently asked questions

›Are MG cars reliable?

By MOT results, MG ranks 44 of 52 makes in 2024, with a reliability score of 86 (100 is average for the same age and mileage). 20.5% of MG cars failed their MOT first time.

›What is the most reliable MG?

The MG HS, with a score of 117. The lowest-scoring is the GS (70).

›What do MG cars fail their MOT on?

Seat belts and airbags: 1.1% of MG MOTs failed on it, 2.1 times the rate for similar cars. The single most common fault was “Headlamp: not working on dipped beam”.

Source: DVSA anonymised MOT tests 2024, Open Government Licence v3.0. How we calculate the league.