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Jaguar Xj vs Jaguar Xj sovereign v8 lwb a: 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 Xj sovereign v8 lwb a
85%
MOT pass rate · 20 vehicles
Verdict: On MOT pass rate the Jaguar Xj (77%) and Jaguar Xj sovereign v8 lwb a (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Jaguar Xj Jaguar Xj sovereign v8 lwb a
MOT pass rate 77% 85% ✓
MOT failure rate 23% 15% ✓
Faults & advisories per test 2.0 1.4 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 113,306 mi 75,717 mi
Sample size (vehicles) 80,612 20

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 Xj sovereign v8 lwb a

  1. Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)
  2. Nearside Rear Brake pad(s) wearing thin (3.5.1g)
  3. Offside Rear Brake pad(s) wearing thin (3.5.1g)
  4. Front Anti-roll bar linkage ball joint dust cover severely deteriorated both sides (5.3.4 (b) (i))
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Brake pipe corroded, covered in grease or other material nearside and offside front (1.1.11 (c))

Reliability FAQ

On MOT pass rate the Jaguar Xj (77%) and Jaguar Xj sovereign v8 lwb a (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar Xj report Full Jaguar Xj sovereign v8 lwb a 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.