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Jaguar Soveregn vs Jaguar Xj: reliability comparison

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

Jaguar Soveregn
87%
MOT pass rate · 1 vehicles
Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Verdict: On MOT pass rate the Jaguar Soveregn (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 Soveregn Jaguar Xj
MOT pass rate 87% ✓ 77%
MOT failure rate 13% ✓ 23%
Faults & advisories per test 0.9 ✓ 2.0
Dangerous-fault share 0% ✓ 1%
Average mileage 105,707 mi 113,306 mi
Sample size (vehicles) 1 80,612

Most common faults

Jaguar Soveregn

  1. Nearside Front Coil spring corroded (5.3.1 (b) (i))
  2. Nearside Front earth strap corroded
  3. Offside Front Coil spring corroded (5.3.1 (b) (i))
  4. Offside Front Wheel bearing has slight play (5.1.3 (a) (i))
  5. Offside Front Tyre has ply or cords exposed (4.1.D.1b)
  6. Nearside Front Track rod end ball joint has excessive play (2.2.B.1f)

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 Soveregn (87%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar Soveregn 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.