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Jaguar Mark 4 vs Jaguar X-type: reliability comparison

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

Jaguar Mark 4
75%
MOT pass rate · 2 vehicles
Jaguar X-type
73%
MOT pass rate · 119,216 vehicles
Verdict: On MOT pass rate the Jaguar Mark 4 (75%) and Jaguar X-type (73%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Jaguar Mark 4 Jaguar X-type
MOT pass rate 75% ✓ 73%
MOT failure rate 25% ✓ 27%
Faults & advisories per test 2.0 ✓ 2.1
Dangerous-fault share 0% ✓ 1%
Average mileage 33,057 mi 123,687 mi
Sample size (vehicles) 2 119,216

Most common faults

Jaguar Mark 4

  1. Brakes imbalanced across an axle (3.7.B.5b)
  2. Exhaust emits excessive dense blue smoke during acceleration (7.3.A.2c)
  3. Headlamp not working on main beam (1.7.5a)
  4. Nearside Semaphore indicator arm arm does not show an amber light to the front (1.4.C.1b)
  5. Nearside Semaphore indicator arm arm does not show an amber light to the rear (1.4.C.1b)
  6. Offside Headlamp not working on dipped beam (1.7.5a)

Jaguar X-type

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Front Brake pad(s) wearing thin (3.5.1g)
  6. Oil leak, but not excessive (8.4.1 (a) (i))

Reliability FAQ

On MOT pass rate the Jaguar Mark 4 (75%) and Jaguar X-type (73%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar Mark 4 report Full Jaguar X-type 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.