Rover 25 vs Rover Princess: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Rover 25
72%
MOT pass rate · 157,266 vehicles
Rover Princess
78%
MOT pass rate · 143 vehicles
More reliable
Verdict: On MOT pass rate, the Rover Princess is the more reliable of the two — 78% pass first time versus 72%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Rover 25 | Rover Princess |
|---|---|---|
| MOT pass rate | 72% | 78% ✓ |
| MOT failure rate | 28% | 22% ✓ |
| Faults & advisories per test | 1.4 ✓ | 1.7 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 82,004 mi | 55,173 mi |
| Sample size (vehicles) | 157,266 | 143 |
Most common faults
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)
Rover Princess
- Oil leak
- Service brake: efficiency below requirements (3.7.B.7)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Parking brake: efficiency below requirements (3.7.B.7)
- Brakes imbalanced across an axle (3.7.B.5b)
- Offside Front Brake hose slightly deteriorated (3.6.B.4d)
Reliability FAQ
On MOT pass rate, the Rover Princess is the more reliable of the two — 78% pass first time versus 72%. It's one signal among several; check the full breakdown below.
Full Rover 25 report Full Rover Princess 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.