Jaguar V12 e-type vs Jaguar Xj: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Jaguar V12 e-type
83%
MOT pass rate · 1 vehicles
Jaguar Xj
77%
MOT pass rate · 80,612 vehicles
Verdict: On MOT pass rate the Jaguar V12 e-type (83%) 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 V12 e-type | Jaguar Xj |
|---|---|---|
| MOT pass rate | 83% ✓ | 77% |
| MOT failure rate | 17% ✓ | 23% |
| Faults & advisories per test | 2.8 | 2.0 ✓ |
| Dangerous-fault share | 9% | 1% ✓ |
| Average mileage | 33,737 mi | 113,306 mi |
| Sample size (vehicles) | 1 | 80,612 |
Most common faults
Jaguar V12 e-type
- Nearside Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
- Nearside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
- Offside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
- Centre Exhaust has a minor leak of exhaust gases (7.1.2)
- Nearside Front suspension has slight play in a lower suspension ball joint (2.5.B.1a)
- Nearside Rear Lower Trailing arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.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 V12 e-type (83%) and Jaguar Xj (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Jaguar V12 e-type 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.