Jaguar S-type vs Jaguar Xk140: 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 Xk140
50%
MOT pass rate · 6 vehicles
Verdict: On MOT pass rate the Jaguar S-type (75%) and Jaguar Xk140 (50%) 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 Xk140 |
|---|---|---|
| MOT pass rate | 75% ✓ | 50% |
| MOT failure rate | 25% ✓ | 50% |
| Faults & advisories per test | 2.1 ✓ | 5.2 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 114,746 mi | 26,906 mi |
| Sample size (vehicles) | 61,983 | 6 |
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 Xk140
- Nearside Front Play in steering rack inner joint(s)
- All bushes on vehicle are cracked or split
- Brake performance unable to be tested (1.2.1 (g))
- Driver's door hinge deteriorated but the door can still be readily opened and closed (6.2.3 (c) (i))
- Horn not working (7.7 (a))
- Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))
Reliability FAQ
On MOT pass rate the Jaguar S-type (75%) and Jaguar Xk140 (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar S-type report Full Jaguar Xk140 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.