Jaguar Mk 4 vs Jaguar Xf: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Jaguar Mk 4
91%
MOT pass rate · 11 vehicles
Jaguar Xf
81%
MOT pass rate · 116,331 vehicles
Verdict: On MOT pass rate the Jaguar Mk 4 (91%) and Jaguar Xf (81%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Jaguar Mk 4 | Jaguar Xf |
|---|---|---|
| MOT pass rate | 91% ✓ | 81% |
| MOT failure rate | 9% ✓ | 19% |
| Faults & advisories per test | 0.4 ✓ | 1.6 |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 53,116 mi | 98,854 mi |
| Sample size (vehicles) | 11 | 116,331 |
Most common faults
Jaguar Mk 4
- Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Steering system has slight free play detected at steering wheel (2.2.A.1a)
- Nearside Rear Shock absorber has a light misting of oil (2.7.3)
- Offside Rear Shock absorber has a light misting of oil (2.7.3)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
Jaguar Xf
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate the Jaguar Mk 4 (91%) and Jaguar Xf (81%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar Mk 4 report Full Jaguar Xf 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.