2004 Jaguar XJ 4.2L Petrol · HJ04 UNF
2004 Jaguar XJ (4.2L, petrol). First registered 30/04/2004. Recorded mileage 239,416 miles. MOT status: Expired.
- Make & Model
- JAGUAR XJ
- Year / Origin
- 2004 · Bournemouth
- Safety Recall
- Unknown
- MOT Status
- Valid until 16/12/2023
- Road Tax
- —
- Recorded Mileage
- 239,416 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 4.2L
- Reliability Guide
- Common Faults
- Fuel Type
- Petrol
- Year
- 2004
- Engine
- 4196cc
HJ04 UNF Key Findings
- 5 MOT tests recorded
- Latest MOT failed on 29/01/2024
- 239,416 miles recorded at latest MOT
- 3 historical MOT failures
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
Dimensions & Weights
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Known faults for Jaguar Jaguar XJ (X350/X351)
Our database tracks 5 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
HJ04 UNF Mileage History
- 02/12/2021236,984 mi
- 09/12/2021237,010 mi+26 mi
- 12/12/2022239,771 mi+2,761 mi
- 12/12/2022239,771 mi
- 29/01/2024239,416 mi-355 mi
Average of roughly 1,127 miles per year across 5 recorded odometer readings.
Recorded mileage decreased between one or more tests — a potential clocking indicator worth verifying before purchase.
HJ04 UNF 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 Jaguar Xj (HJ04 UNF) between December 2021 and January 2024.
The record contains 2 passes and 3 failures.
The most recent test on 29 January 2024 was a fail; the vehicle has not passed its last recorded MOT.
Common Problems: JAGUAR XJ
Known issues reported by owners and MOT testers.
- Air Suspension Failure(Serious)
Air struts leak or the compressor fails to reach pressure, leaving the car "slammed" on its bump stops.
- Aluminum Corrosion (X350)(Moderate)
Although it won’t rust like steel, the X350 suffers from galvanic corrosion, appearing as bubbling paint around the wheel arches and boot lid.
- ZF Gearbox Surging & Lurch(Moderate)
The ZF six-speed automatic gearbox can develop surging on light throttle at 30-50mph and harsh lurching into gear when coming to a stop. This is typically caused by torque converter clutch issues or outdated TCM software and can often be resolved with a software reflash and fresh fluid.
- Door Lock & Window Regulator Failures(Moderate)
The door lock actuators and window regulators are common failure points on the X350. Lock failures can leave doors stuck in the double-locked position, while window regulators fail with the cable-driven mechanism snapping or the motor burning out.
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