2014 MG 3 · 5,440 MOT tests
2014 MG 3 reliability
2014 MG 3s fail 30.2% of first MOT tests, 27% more MOT fails than the average car its age and mileage, ranking 1 of 7 3 years (5,440 DVSA tests, 2022 to 2024).
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- first-time fail rate (all MG 3s: 23.4%)
- 30.2%
- first-time fail rate (all MG 3s: 23.4%)
- fails than cars of the same age and mileage
- 27% more
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 9
- 50,185
- typical miles at its MOT, aged about 9
- MOT tests, 2022 to 2024
- 5,440
- MOT tests, 2022 to 2024
Year on year
2014 against the years either side
- 2013 cars: about average for its age (the 2014 car does worse)
- 2015 cars: 37% more MOT fails than the average car its age (the 2014 car does better)
- Weak spot: seat belts and airbags, 6.3% of tests fail here (1226% above cars of the same age and mileage).
- Plates: a 2014 car carries a 63 plate (January–February 2014), or a 14 plate (March–August 2014), or a 64 plate (September–December 2014).
Common problems
What fails on a 2014 MG 3
Fail rate by area
- Lights and electrics8%
- Suspension7.5%
- Tyres7.2%
- Windscreen, wipers and mirrors6.9%
- Seat belts and airbags6.3%
- Brakes5.9%
- Exhaust, emissions and leaks2.2%
Average for cars of the same age and mileage
Top failures
Airbag warning lamp shows fault 5.35%
A lit airbag warning means the airbag system may not deploy in a crash, so it needs diagnosing and repairing.
Suspension arm pin/bush excessively worn 3.49%
Worn suspension arm bushes allow the wheel to move unpredictably, affecting steering, handling and tyre wear.
Wiper blade not clearing windscreen 3.33%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Rigid brake pipe excessively corroded 2.15%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Dipped beam headlamp not working 2.08%
A failed dipped beam makes it hard to see and be seen at night, so the lamp needs fixing before driving.
Tyre tread below 1.6mm 2.02%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Common advisories
Suspension arm pin/bush showing wear (16.01%) · Tyre worn close to legal limit (15.57%) · Brake disc pitted or scored (9.65%) · Brake pipes corroded and greasy (9.5%) · Tyre slightly damaged or cracking (7.78%) · Brake pads wearing thin (7.1%)
Is a 2014 MG 3 reliable?
2014 MG 3s fail 30.2% of first MOT tests, 27% more MOT fails than the average car its age and mileage, ranking 1 of 7 3 years (5,440 DVSA tests, 2022 to 2024).
What fails on a 2014 MG 3 MOT?
Most often airbag warning lamp shows fault (5.35% of tests), suspension arm pin/bush excessively worn (3.49% of tests), wiper blade not clearing windscreen (3.33% of tests).
How many miles should a 2014 MG 3 have done?
At its MOT aged about 9, a typical 2014 MG 3 shows 50,185 miles. Much higher or lower is worth asking about.
What plate is a 2014 car?
A car first registered in 2014 carries a 63 plate (January–February 2014), or a 14 plate (March–August 2014), or a 64 plate (September–December 2014).
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