2004 MG ZR 1.4L Petrol · T99 MGX
2004 MG ZR (1.4L, petrol). First registered 26 Jul 2004. Recorded mileage 44,218 miles. MOT valid until 04 Dec 2026.
- Make & Model
- MG ZR
- Year / Origin
- 2004
- Safety Recall
- Unknown
- MOT Status
- Valid until 04 Dec 2026
- Road Tax
- —
- Recorded Mileage
- 44,218 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.4L
- 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.
T99 MGX Key Findings
- 17 MOT tests recorded
- Latest MOT passed on 05/12/2025
- 44,218 miles recorded at latest MOT
- 6 historical MOT failures
- No defects recorded at the latest MOT
- Recurring tyres items (11 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
T99 MGX MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
17 MOT tests are recorded for this 2004 Mg Zr (T99 MGX) between September 2007 and December 2025.
The record contains 11 passes and 6 failures.
The most recent test on 05 December 2025 was a pass, although the earlier record includes 6 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (11 issues), Lighting (6 issues), Windscreen (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 4 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: “Offside Front Tyre has ply or cords exposed (4.1.D.1b)”; “Nearside Front Tyre has ply or cords exposed (4.1.D.1b)”; “Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)”.
T99 MGX Mileage History
- 21/09/20078,841 mi
- 21/09/20078,841 mi
- 17/09/200813,992 mi+5,151 mi
- 20/10/200919,707 mi+5,715 mi
- 18/10/201024,031 mi+4,324 mi
- 12/10/201128,322 mi+4,291 mi
- 12/10/201128,322 mi
- 15/10/201235,221 mi+6,899 mi
- 16/10/201235,221 mi
- 25/09/202044,215 mi+8,994 mi
- 21/02/202244,218 mi+3 mi
- 21/02/202244,218 mi
- 18/03/202344,218 mi
- 18/03/202344,218 mi
- 08/03/202444,228 mi+10 mi
- 05/12/202544,218 mi-10 mi
- 05/12/202544,218 mi
Average of roughly 1,943 miles per year across 17 recorded odometer readings.
Recorded mileage decreased between one or more tests — a potential clocking indicator worth verifying before purchase.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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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.
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 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.
Vehicle & Plate History
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MG ZR 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.
- 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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