2004 MG ZT · 1,976 MOT tests
2004 MG ZT reliability
2004 MG ZTs fail 31.6% of first MOT tests, 21% fewer MOT fails than the average car its age and mileage, ranking 1 of 3 ZT years (1,976 DVSA tests, 2022 to 2024).
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- first-time fail rate (all MG ZTs: 35.1%)
- 31.6%
- first-time fail rate (all MG ZTs: 35.1%)
- fails than cars of the same age and mileage
- 21% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 19
- 88,103
- typical miles at its MOT, aged about 19
- MOT tests, 2022 to 2024
- 1,976
- MOT tests, 2022 to 2024
Year on year
2004 against the years either side
- 2003 cars: 10% fewer MOT fails than the average car its age (the 2004 car does better)
- 2005 cars: 14% fewer MOT fails than the average car its age (the 2004 car does better)
- Weak spot: seat belts and airbags, 5.7% of tests fail here (117% above cars of the same age and mileage).
- Strong point: windscreen, wipers and mirrors, 51% fewer fails than comparable cars.
- Plates: a 2004 car carries a 53 plate (January–February 2004), or a 04 plate (March–August 2004), or a 54 plate (September–December 2004).
Common problems
What fails on a 2004 MG ZT
Fail rate by area
- Brakes13.1%
- Suspension12.6%
- Lights and electrics10.4%
- Seat belts and airbags5.7%
- Body, chassis and structure5.3%
- Tyres4.9%
- Exhaust, emissions and leaks4.4%
Average for cars of the same age and mileage
Top failures
Airbag warning lamp shows fault 4.66%
A lit airbag warning means the airbag system may not deploy in a crash, so it needs diagnosing and repairing.
Parking brake efficiency below minimum 4.45%
The parking brake holds the car less well than required, so it may roll on a slope and needs repair.
Rigid brake pipe excessively corroded 2.99%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Suspension mounting area seriously corroded 2.88%
Corrosion near suspension mountings can seriously weaken the body structure, so an expert inspection is needed.
Headlamp beam pattern obviously incorrect 2.13%
A wrongly shaped beam can dazzle other drivers and reduce your own view of the road, so the lamps need correcting.
Track rod end ball joint excessively worn 1.97%
Worn steering ball joints can affect steering control and safety, so repair is needed before the car is driven.
Common advisories
Brake pipes corroded and greasy (17.11%) · Brake disc pitted or scored (9.92%) · Tyre worn close to legal limit (9.77%) · Tyre slightly damaged or cracking (5.41%) · Suspension arm showing corrosion (5.26%) · Sub-frame showing corrosion (4.71%)
Other years
Every MG ZT year
The full picture: MG ZT reliability. Before you pay for any MG ZT, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2004 MG ZT reliable?
2004 MG ZTs fail 31.6% of first MOT tests, 21% fewer MOT fails than the average car its age and mileage, ranking 1 of 3 ZT years (1,976 DVSA tests, 2022 to 2024).
What fails on a 2004 MG ZT MOT?
Most often airbag warning lamp shows fault (4.66% of tests), parking brake efficiency below minimum (4.45% of tests), rigid brake pipe excessively corroded (2.99% of tests).
How many miles should a 2004 MG ZT have done?
At its MOT aged about 19, a typical 2004 MG ZT shows 88,103 miles. Much higher or lower is worth asking about.
What plate is a 2004 car?
A car first registered in 2004 carries a 53 plate (January–February 2004), or a 04 plate (March–August 2004), or a 54 plate (September–December 2004).
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