Jaguar 3.4 s manual vs Jaguar Xj: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Jaguar 3.4 s manual
86%
MOT pass rate · 1 vehicles
Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Verdict: On MOT pass rate the Jaguar 3.4 s manual (86%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Jaguar 3.4 s manual | Jaguar Xj |
|---|---|---|
| MOT pass rate | 86% ✓ | 77% |
| MOT failure rate | 14% ✓ | 23% |
| Faults & advisories per test | 0.9 ✓ | 2.0 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 97,069 mi | 113,306 mi |
| Sample size (vehicles) | 1 | 80,612 |
Most common faults
Jaguar 3.4 s manual
- Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)
- Oil leak
- Power steering pipe(s) or hose(s) has slight seepage from a joint (2.3.3b)
- very small hole in floor above os outrigger
- Nearside Body has slight corrosion (6.1.B.2)
- Offside Body has slight corrosion (6.1.B.2)
Jaguar Xj
- 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)
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Offside Front wheel bearing has slight play (2.5.A.3c)
Reliability FAQ
On MOT pass rate the Jaguar 3.4 s manual (86%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar 3.4 s manual report Full Jaguar Xj 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.