2005 MG ZR 1.4L Petrol · FG55 THZ
2005 MG ZR (1.4L, petrol). First registered 12/10/2005. Recorded mileage 56,905 miles. MOT status: Expired.
- Make & Model
- MG ZR
- Year / Origin
- 2005 · Nottingham
- Safety Recall
- Unknown
- MOT Status
- Valid until 02/12/2025
- Road Tax
- —
- Recorded Mileage
- 56,905 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.4L
- Reliability Guide
- Common Faults
- Fuel Type
- Petrol
- Year
- 2005
- Engine
- 1396cc
FG55 THZ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 03/12/2024
- 56,905 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Below 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.
FG55 THZ Mileage History
- 14/04/202253,601 mi
- 05/04/202356,520 mi+2,919 mi
- 05/04/202356,520 mi
- 03/12/202456,904 mi+384 mi
- 03/12/202456,905 mi+1 mi
Average of roughly 1,252 miles per year across 5 recorded odometer readings.
FG55 THZ 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 (FG55 THZ) between April 2022 and December 2024.
The record contains 3 passes and 2 failures.
The most recent test on 03 December 2024 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
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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