1979 Jaguar XJ 4.2L Petrol · ETH 66V
1979 Jaguar XJ (4.2L, petrol). First registered 12 Oct 1979. Recorded mileage 57,352 miles. MOT valid until 05 Sept 2027. Taxed until 01 Sept 2026.
- Make & Model
- JAGUAR XJ
- Year / Origin
- 1979 · Chelmsford
- Safety Recall
- Unknown
- MOT Status
- Valid until 05 Sept 2027
- Road Tax
- Taxed (01 Sept 2026)
- Recorded Mileage
- 57,352 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 4.2L
- 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.
ETH 66V Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 07/09/2026
- 57,352 miles recorded at latest MOT
- 1 historical MOT failure
- 2 defects noted at the latest MOT
- Recurring brakes items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
ETH 66V MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
4 MOT tests are recorded for this 1979 Jaguar Xj (ETH 66V) between May 2024 and September 2026.
The record contains 3 passes and 1 failure.
The most recent test on 07 September 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 2 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: “Front Brakes imbalanced across an axle nearside weak (1.2.1 (b) (i))”; “Nearside Front Service brake excessively binding (1.2.1 (f))”.
ETH 66V Mileage History
- 13/05/202457,253 mi
- 16/05/202457,258 mi+5 mi
- 03/07/202557,324 mi+66 mi
- 07/09/202657,352 mi+28 mi
Average of roughly 43 miles per year across 4 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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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.
MOT Roadworthiness: Good
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.
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JAGUAR XJ Model Intelligence & Reliability
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