Austin Montego l vs Austin Princess 135: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Austin Montego l
69%
MOT pass rate · 153,789 vehicles
Austin Princess 135
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Austin Montego l (69%) and Austin Princess 135 (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Austin Montego l | Austin Princess 135 |
|---|---|---|
| MOT pass rate | 69% | 100% ✓ |
| MOT failure rate | 31% | 0% ✓ |
| Faults & advisories per test | 2.0 | 0.5 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 87,961 mi | 9,359 mi |
| Sample size (vehicles) | 153,789 | 1 |
Most common faults
Austin Montego l
- Oil leak
- Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
- Parking brake: efficiency below requirements (3.7.B.7)
- oil leak
Austin Princess 135
- Brake pipe slightly corroded (3.6.B.2c)
- Oil leak
- front tyres cracking around sidewall not exsesive
- slight corrotion on n/s battery box
Reliability FAQ
On MOT pass rate the Austin Montego l (69%) and Austin Princess 135 (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Austin Montego l report Full Austin Princess 135 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.