2004 MG ZR 1.8L Petrol · KJ04 WMC
2004 MG ZR (1.8L, petrol). First registered 30/04/2004. Recorded mileage 117,870 miles. MOT status: Expired.
- Make & Model
- MG ZR
- Year / Origin
- 2004 · Borehamwood (Luton)
- Safety Recall
- Unknown
- MOT Status
- Valid until 27/05/2026
- Road Tax
- —
- Recorded Mileage
- 117,870 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.8L
- Reliability Guide
- Common Faults
- Fuel Type
- Petrol
- Year
- 2004
- Engine
- 1796cc
KJ04 WMC Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 29/05/2025
- 117,870 miles recorded at latest MOT
- 2 historical MOT failures
- 1 defect noted at the latest MOT
- Recurring tyres items (3 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Poor
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
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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.
KJ04 WMC Mileage History
- 18/11/2022117,870 mi
- 30/11/2022117,870 mi
- 28/03/2024117,870 mi
- 30/03/2024117,870 mi
- 29/05/2025117,870 mi
Average of roughly 0 miles per year across 5 recorded odometer readings.
KJ04 WMC 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 Zr (KJ04 WMC) between November 2022 and May 2025.
The record contains 3 passes and 2 failures.
The most recent test on 29 May 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: Tyres (3 issues), Lighting (1 issue), Exhaust & Emissions (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 7 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 Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))”; “Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))”; “Offside Front Position lamp not working (4.2.1 (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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