2005 MG ZR 1.4L Petrol · WX55 SZR
2005 MG ZR (1.4L, petrol). First registered 21 Oct 2005. Recorded mileage 84,787 miles. MOT valid until 26 Oct 2026.
- Make & Model
- MG ZR
- Year / Origin
- 2005 · Bristol
- Safety Recall
- Unknown
- MOT Status
- Valid until 26 Oct 2026
- Road Tax
- —
- Recorded Mileage
- 84,787 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.4L
- Reliability Guide
- Common Faults
WX55 SZR Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 25/10/2025
- 84,787 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
- Recurring lighting items (7 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
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.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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Known faults for MG MG ZR
Our database tracks 5 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
WX55 SZR Mileage History
- 27/10/202382,182 mi
- 26/10/202483,999 mi+1,817 mi
- 26/10/202484,002 mi+3 mi
- 25/10/202584,787 mi+785 mi
- 25/10/202584,787 mi
Average of roughly 1,305 miles per year across 5 recorded odometer readings.
WX55 SZR 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 2005 Mg Zr (WX55 SZR) between October 2023 and October 2025.
The record contains 3 passes and 2 failures.
The most recent test on 25 October 2025 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (7 issues), Tyres (6 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 12 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: “Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii))”; “Nearside Front Position lamp not working (4.2.1 (a) (ii))”; “Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))”.
Common Problems: MG ZR
Known issues reported by owners and MOT testers.
- K-Series Head Gasket Failure (HGF)(Serious)
The K-Series engine is prone to head gasket failure due to its small coolant capacity and plastic locating dowels that allow the head to shift.
- SCU / BCU Failure (Pektron)(Moderate)
Later models (2003+) use a Pektron SCU that controls windows, fobs, and wipers. It is notorious for relay failure.
- Worn Front Suspension(Moderate)
The front suspension bushes and ball joints wear out, leading to vague steering, knocking noises, and poor handling. This is a common MOT failure point and can be exacerbated by hard driving.
- Coil Pack Failure(Moderate)
The ignition coil pack is known for failing on the ZR, causing misfires, rough running, and difficulty starting.
- Door Lock Failure(Moderate)
The door lock actuators, particularly on the driver's door, are known to fail, making it difficult to lock or unlock the car.
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MG ZR Model Intelligence & Reliability
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Historical MOT pass rates and DVLA records for 2005 model year cars.
- K-Series Head Gasket Failure (HGF)Serious
The K-Series engine is prone to head gasket failure due to its small coolant capacity and plastic locating dowels that allow the head to shift.
- SCU / BCU Failure (Pektron)Moderate
Later models (2003+) use a Pektron SCU that controls windows, fobs, and wipers. It is notorious for relay failure.
- Worn Front SuspensionModerate
The front suspension bushes and ball joints wear out, leading to vague steering, knocking noises, and poor handling. This is a common MOT failure point and can be exacerbated by hard driving.
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