2003 MG ZT 2.5L Petrol · J8 YMG
2003 MG ZT (2.5L, petrol). First registered 24 Sept 2003. Recorded mileage 162,505 miles. MOT expired on 09 Sept 2026. Taxed until 01 Oct 2026.
- Make & Model
- MG ZT
- Year / Origin
- 2003
- Safety Recall
- Unknown
- MOT Status
- Expired on 09 Sept 2026
- Road Tax
- Taxed (01 Oct 2026)
- Recorded Mileage
- 162,505 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 2.5L
- Reliability Guide
- Common Faults
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J8 YMG Key Findings
- 5 MOT tests recorded
- Latest MOT failed on 22/08/2026
- 162,505 miles recorded at latest MOT
- 1 historical MOT failure
- 9 defects noted at the latest MOT
- Recurring suspension items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
J8 YMG MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2003 Mg Zt (J8 YMG) between October 2022 and August 2026.
The record contains 4 passes and 1 failure.
The most recent test on 22 August 2026 was a fail; the vehicle has not passed its last recorded MOT.
Across all tests, the most frequently flagged areas are: Suspension (4 issues), Tyres (2 issues), Exhaust & Emissions (2 issues), Bodywork (2 issues), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 11 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))”; “Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))”.
J8 YMG Mileage History
- 17/10/2022146,917 mi
- 17/10/2023157,353 mi+10,436 mi
- 11/09/2024161,029 mi+3,676 mi
- 20/08/2025161,936 mi+907 mi
- 22/08/2026162,505 mi+569 mi
Average of roughly 4,052 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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Known faults for MG MG ZT / ZT-T
Our database tracks 5 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Common Problems: MG ZT
Known issues reported by owners and MOT testers.
- ECU Flooding (Blocked Drains)(Serious)
The plenum chamber drains block with leaves, causing water to rise and submerge the engine ECU.
- Front Coil Spring Breakage(Moderate)
The front coil springs are prone to snapping due to fierce corrosion, particularly on UK roads with salt and potholes. This is a common MOT failure.
- K-Series Head Gasket Failure (1.8 Petrol)(Serious)
The 1.8 K-Series petrol engine is prone to head gasket failure if the cooling system is neglected. Symptoms include overheating and oil/coolant mixing.
- Brake Pipe Corrosion(Serious)
The brake pipes can corrode, particularly in areas where road salt is used. This is a serious safety concern and a common MOT failure point.
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MG ZT Model Intelligence & Reliability
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Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2003 model year cars.
- ECU Flooding (Blocked Drains)Serious
The plenum chamber drains block with leaves, causing water to rise and submerge the engine ECU.
- Front Coil Spring BreakageModerate
The front coil springs are prone to snapping due to fierce corrosion, particularly on UK roads with salt and potholes. This is a common MOT failure.
- K-Series Head Gasket Failure (1.8 Petrol)Serious
The 1.8 K-Series petrol engine is prone to head gasket failure if the cooling system is neglected. Symptoms include overheating and oil/coolant mixing.
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