Rover 12hp vs Rover 25: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Rover 12hp
95%
MOT pass rate · 5 vehicles
Rover 25
72%
MOT pass rate · 157,266 vehicles
Verdict: On MOT pass rate the Rover 12hp (95%) and Rover 25 (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Rover 12hp | Rover 25 |
|---|---|---|
| MOT pass rate | 95% ✓ | 72% |
| MOT failure rate | 5% ✓ | 28% |
| Faults & advisories per test | 0.4 ✓ | 1.4 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 43,671 mi | 82,004 mi |
| Sample size (vehicles) | 5 | 157,266 |
Most common faults
Rover 12hp
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Front Track rod end ball joint has slight play (2.2.B.1f)
- Nearside Front Fluid suspension unit leaking (2.4.D.2)
- Offside Front Fluid suspension unit leaking (2.4.D.2)
- Nearside Front Upper Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
Rover 25
- 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 Rear Tyre worn close to the legal limit (4.1.E.1)
- Oil leak
- Front Brake pad(s) wearing thin (3.5.1g)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate the Rover 12hp (95%) and Rover 25 (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Rover 12hp report Full Rover 25 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.