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Jaguar Sovrergn vs Jaguar Xj: reliability comparison

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

Jaguar Sovrergn
67%
MOT pass rate · 1 vehicles
Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Verdict: On MOT pass rate the Jaguar Sovrergn (67%) 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 Sovrergn Jaguar Xj
MOT pass rate 67% 77% ✓
MOT failure rate 33% 23% ✓
Faults & advisories per test 4.7 2.0 ✓
Dangerous-fault share 0% ✓ 1%
Average mileage — 113,306 mi
Sample size (vehicles) 1 80,612

Most common faults

Jaguar Sovrergn

  1. Nearside Front Brake pipe slightly corroded (3.6.B.2c)
  2. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Front Brake hose slightly deteriorated (3.6.B.4d)
  4. Offside Rear Brake pipe slightly corroded (3.6.B.2c)
  5. Nearside Inner Front Upper Suspension arm has slight play in a pin/bush (2.4.G.2)
  6. Offside Front Brake pipe slightly corroded (3.6.B.2c)

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 Sovrergn (67%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar Sovrergn 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.