Rover 420 si vs Rover 75: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Rover 420 si
—
MOT pass rate · 1,241 vehicles
Rover 75
71%
MOT pass rate · 104,003 vehicles
Verdict: On MOT pass rate the Rover 420 si (0%) and Rover 75 (71%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Rover 420 si | Rover 75 |
|---|---|---|
| MOT pass rate | 0% | 71% ✓ |
| MOT failure rate | 0% ✓ | 29% |
| Faults & advisories per test | 0.0 ✓ | 2.1 |
| Dangerous-fault share | — ✓ | 1% |
| Average mileage | — | 116,860 mi |
| Sample size (vehicles) | 1,241 | 104,003 |
Most common faults
Rover 420 si
No fault breakdown available.
Rover 75
- Nearside 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)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Brake pipe slightly corroded (3.6.B.2c)
- Offside Front Brake pipe slightly corroded (3.6.B.2c)
Reliability FAQ
On MOT pass rate the Rover 420 si (0%) and Rover 75 (71%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Rover 420 si report Full Rover 75 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.