Jaguar Xj vs Jaguar Xjl: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Jaguar Xjl
88%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Jaguar Xj (77%) and Jaguar Xjl (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Jaguar Xj | Jaguar Xjl |
|---|---|---|
| MOT pass rate | 77% | 88% ✓ |
| MOT failure rate | 23% | 12% ✓ |
| Faults & advisories per test | 2.0 | 0.8 ✓ |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 113,306 mi | 46,326 mi |
| Sample size (vehicles) | 80,612 | 4 |
Most common faults
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)
Jaguar Xjl
- Rear Brake disc worn, pitted or scored, but not seriously weakened offside & nearside (1.1.14 (a) (ii))
- Nearside Front Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))
- Offside Front Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))
- Front Brake disc worn, but not excessively (1.1.14 (a) (i))
- Rear Brake disc worn, but not excessively (1.1.14 (a) (i))
- Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a))
Reliability FAQ
On MOT pass rate the Jaguar Xj (77%) and Jaguar Xjl (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar Xj report Full Jaguar Xjl 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.