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Jaguar Xj vs Jaguar Xjs 36: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Jaguar Xjs 36
50%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Jaguar Xj (77%) and Jaguar Xjs 36 (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Jaguar Xj Jaguar Xjs 36
MOT pass rate 77% ✓ 50%
MOT failure rate 23% ✓ 50%
Faults & advisories per test 2.0 2.0
Dangerous-fault share 1% 0% ✓
Average mileage 113,306 mi 131,730 mi
Sample size (vehicles) 80,612 1

Most common faults

Jaguar Xj

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Nearside Front wheel bearing has slight play (2.5.A.3c)
  6. Offside Front wheel bearing has slight play (2.5.A.3c)

Jaguar Xjs 36

  1. Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
  2. Nearside Rear Registration plate lamp not working (1.1.C.1d)
  3. Nearside Rear Upper Body has a sharp edge caused by corrosion (6.1.C.1)
  4. Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Reliability FAQ

On MOT pass rate the Jaguar Xj (77%) and Jaguar Xjs 36 (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar Xj report Full Jaguar Xjs 36 report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.