Jaguar Proteus vs Jaguar S-type: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Jaguar Proteus
62%
MOT pass rate · 1 vehicles
Jaguar S-type
75%
MOT pass rate · 61,983 vehicles
Verdict: On MOT pass rate the Jaguar Proteus (62%) and Jaguar S-type (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Jaguar Proteus | Jaguar S-type |
|---|---|---|
| MOT pass rate | 62% | 75% ✓ |
| MOT failure rate | 38% | 25% ✓ |
| Faults & advisories per test | 3.9 | 2.1 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 11,309 mi | 114,746 mi |
| Sample size (vehicles) | 1 | 61,983 |
Most common faults
Jaguar Proteus
- Offside Front Shock absorber has a light misting of oil (2.7.3)
- Coolant leak
- Oil leak
- Nearside Rear Shock absorber has a light misting of oil (2.7.3)
- Nearside Rear Brake hose slightly chafed (3.6.B.4d)
- Nearside Rear position lamp(s) not working (1.1.A.3b)
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)
Reliability FAQ
On MOT pass rate the Jaguar Proteus (62%) and Jaguar S-type (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar Proteus report Full Jaguar S-type 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.