2003 MG ZT 2.5L Petrol · KG03 YTT
2003 MG ZT (2.5L, petrol). First registered 17 Apr 2003. Recorded mileage 106,527 miles. MOT valid until 28 Nov 2026.
- Make & Model
- MG ZT
- Year / Origin
- 2003 · Borehamwood (Luton)
- Safety Recall
- Unknown
- MOT Status
- Valid until 28 Nov 2026
- Road Tax
- —
- Recorded Mileage
- 106,527 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 2.5L
- 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.
KG03 YTT Key Findings
- 31 MOT tests recorded
- Latest MOT passed on 29/11/2025
- 106,527 miles recorded at latest MOT
- 11 historical MOT failures
- 5 defects noted at the latest MOT
- Recurring lighting items (18 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
KG03 YTT MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
31 MOT tests are recorded for this 2003 Mg Zt (KG03 YTT) between November 2006 and November 2025.
The record contains 20 passes and 11 failures.
The most recent test on 29 November 2025 was a pass, although the earlier record includes 11 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (18 issues), Brakes (8 issues), Windscreen (4 issues), Tyres (3 issues), Steering (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 15 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: “Registration plate lamp inoperative in the case of a single lamp or all lamps Both side (4.7.1 (b) (ii))”; “Offside Front Position lamp not working (4.2.1 (a) (ii))”; “Nearside Front Position lamp not working (4.2.1 (a) (ii))”.
KG03 YTT Mileage History
- 14/11/200623,034 mi
- 19/11/200731,413 mi+8,379 mi
- 19/11/200731,413 mi
- 28/11/200840,161 mi+8,748 mi
- 13/11/200946,316 mi+6,155 mi
- 15/11/201052,517 mi+6,201 mi
- 15/11/201052,517 mi
- 17/11/201159,060 mi+6,543 mi
- 05/11/201262,197 mi+3,137 mi
- 05/11/201262,197 mi
- 21/11/201364,685 mi+2,488 mi
- 20/11/201467,201 mi+2,516 mi
- 16/11/201571,561 mi+4,360 mi
- 16/11/201571,561 mi
- 16/11/201676,842 mi+5,281 mi
- 17/11/201781,000 mi+4,158 mi
- 17/11/201781,000 mi
- 15/11/201883,789 mi+2,789 mi
- 15/11/201883,789 mi
- 18/11/201985,630 mi+1,841 mi
- 26/11/202087,897 mi+2,267 mi
- 27/11/202087,899 mi+2 mi
- 26/11/202191,316 mi+3,417 mi
- 22/11/202295,407 mi+4,091 mi
- 23/11/202295,408 mi+1 mi
- 20/11/202399,239 mi+3,831 mi
- 24/11/202399,240 mi+1 mi
- 27/11/2024103,316 mi+4,076 mi
- 27/11/2024103,316 mi
- 29/11/2025106,527 mi+3,211 mi
- 29/11/2025106,527 mi
Average of roughly 4,385 miles per year across 31 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: 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
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 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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