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Jaguar Xf vs Jaguar Xj8 sovereign: reliability comparison

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

Jaguar Xf
81%
MOT pass rate · 116,331 vehicles
Jaguar Xj8 sovereign
80%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Jaguar Xf (81%) and Jaguar Xj8 sovereign (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Jaguar Xf Jaguar Xj8 sovereign
MOT pass rate 81% ✓ 80%
MOT failure rate 19% ✓ 20%
Faults & advisories per test 1.6 ✓ 1.8
Dangerous-fault share 4% 0% ✓
Average mileage 98,854 mi 34,876 mi
Sample size (vehicles) 116,331 1

Most common faults

Jaguar Xf

  1. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
  6. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Jaguar Xj8 sovereign

  1. Front Registration plate deteriorated but not likely to be misread (0.1 (b))
  2. Nearside Front coil spring corroded (2.4.C.1b)
  3. Offside Front coil spring corroded (2.4.C.1b)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Jaguar Xf (81%) and Jaguar Xj8 sovereign (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Jaguar Xf report Full Jaguar Xj8 sovereign 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.