Austin Montego l vs Austin Seven: 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 Seven
93%
MOT pass rate · 5,165 vehicles
More reliable
Verdict: On MOT pass rate, the Austin Seven is the more reliable of the two — 93% pass first time versus 69%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Austin Montego l | Austin Seven |
|---|---|---|
| MOT pass rate | 69% | 93% ✓ |
| MOT failure rate | 31% | 7% ✓ |
| Faults & advisories per test | 2.0 | 0.4 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 87,961 mi | 31,279 mi |
| Sample size (vehicles) | 153,789 | 5,165 |
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 Seven
- Steering system has slight free play detected at steering wheel (2.2.A.1a)
- Oil leak
- Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Service brake: efficiency below requirements (3.7.C.1a)
- Service brake: efficiency below requirements (3.7.B.7)
Reliability FAQ
On MOT pass rate, the Austin Seven is the more reliable of the two — 93% pass first time versus 69%. It's one signal among several; check the full breakdown below.
Full Austin Montego l report Full Austin Seven 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.