2004 MG ZT 4.6L Petrol · DE04 UHB
2004 MG ZT (4.6L, petrol). First registered 30 Apr 2004. Recorded mileage 112,523 miles. MOT valid until 03 Sept 2027.
- Make & Model
- MG ZT
- Year / Origin
- 2004 · Chester
- Safety Recall
- Unknown
- MOT Status
- Valid until 03 Sept 2027
- Road Tax
- —
- Recorded Mileage
- 112,523 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 4.6L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
DE04 UHB Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 31/08/2026
- 112,523 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring suspension items (12 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
DE04 UHB 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 2004 Mg Zt (DE04 UHB) between August 2023 and August 2026.
The record contains 4 passes and 1 failure.
The most recent test on 31 August 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Suspension (12 issues), Lighting (9 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 19 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.
DE04 UHB Mileage History
- 29/08/2023110,789 mi
- 02/09/2024111,273 mi+484 mi
- 05/09/2025111,929 mi+656 mi
- 05/09/2025111,929 mi
- 31/08/2026112,523 mi+594 mi
Average of roughly 577 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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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: Good
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.
Vehicle & Plate History
Previous plates for this vehicle
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MG ZT Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2004 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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