Jaguar S-type vs Jaguar Xj6 sovereign: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Jaguar S-type
75%
MOT pass rate · 61,983 vehicles
Jaguar Xj6 sovereign
78%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Jaguar S-type (75%) and Jaguar Xj6 sovereign (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Jaguar S-type | Jaguar Xj6 sovereign |
|---|---|---|
| MOT pass rate | 75% | 78% ✓ |
| MOT failure rate | 25% | 22% ✓ |
| Faults & advisories per test | 2.1 ✓ | 3.3 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 114,746 mi | 99,976 mi |
| Sample size (vehicles) | 61,983 | 1 |
Most common faults
Jaguar S-type
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Under-trays fitted obscuring some underside components
- Front Brake pad(s) wearing thin (3.5.1g)
Jaguar Xj6 sovereign
- Body has slight corrosion (6.1.B.2)
- Exhaust has part of the system slightly deteriorated (7.1.1a)
- Offside Front Macpherson strut has slight movement at the upper attachment (2.5.A.1c)
- Offside Rear Sub-frame rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- Offside rear brake grabbing slightly (3.7.A.5b)
- Offside Front suspension has slight play in a upper suspension ball joint (2.5.B.1a)
Reliability FAQ
On MOT pass rate the Jaguar S-type (75%) and Jaguar Xj6 sovereign (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar S-type report Full Jaguar Xj6 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.