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Jaguar 3.8jaguar vs Jaguar Xj: reliability comparison

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

Jaguar 3.8jaguar
87%
MOT pass rate · 1 vehicles
Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Verdict: On MOT pass rate the Jaguar 3.8jaguar (87%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Jaguar 3.8jaguar Jaguar Xj
MOT pass rate 87% ✓ 77%
MOT failure rate 13% ✓ 23%
Faults & advisories per test 0.4 ✓ 2.0
Dangerous-fault share 0% ✓ 1%
Average mileage 25,074 mi 113,306 mi
Sample size (vehicles) 1 80,612

Most common faults

Jaguar 3.8jaguar

  1. Nearside Front Front wheel bearing has slight play (2.5.A.3c)
  2. Reserve travel in parking brake just acceptable
  3. both rear V mountings of front subframe breaking down.
  4. heavy surface corrosion on front n/s brake pipe
  5. o/s front brake slightly binding
  6. parking brake cables at pivots showing levels of very heavy dry corrosion.

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)

Reliability FAQ

On MOT pass rate the Jaguar 3.8jaguar (87%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar 3.8jaguar report Full Jaguar Xj 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.