2003 Jaguar XJ 4.2L Petrol · R18 OBN
2003 Jaguar XJ (4.2L, petrol). First registered 01 Oct 2003. Recorded mileage 92,251 miles. MOT valid until 12 Mar 2027. Taxed until 01 Jun 2027.
- Make & Model
- JAGUAR XJ
- Year / Origin
- 2003 · Reading
- Safety Recall
- Unknown
- MOT Status
- Valid until 12 Mar 2027
- Road Tax
- Taxed (01 Jun 2027)
- Recorded Mileage
- 92,251 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- PETROL · 4.2L
- Reliability Guide
- Common Faults
R18 OBN Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 11/03/2026
- 92,251 miles recorded at latest MOT
- 2 defects noted at the latest MOT
- Recurring suspension items (6 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Excellent
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.
R18 OBN Mileage History
- 07/03/202273,611 mi
- 13/03/202379,771 mi+6,160 mi
- 08/03/202484,152 mi+4,381 mi
- 12/03/202587,870 mi+3,718 mi
- 11/03/202692,251 mi+4,381 mi
Average of roughly 4,647 miles per year across 5 recorded odometer readings.
R18 OBN 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 2003 Jaguar Xj (R18 OBN) between March 2022 and March 2026.
The record contains 5 passes and 0 failures.
The record shows no MOT failures, although 3 advisory notices note items to monitor.
Across all tests, the most frequently flagged areas are: Suspension (6 issues), Steering (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 3 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.
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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JAGUAR XJ Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2003 model year cars.
- Air Suspension FailureSerious
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 & LurchModerate
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.
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