Austin 12 vs Austin Maestro l: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Austin 12
94%
MOT pass rate · 157 vehicles
More reliable
Austin Maestro l
67%
MOT pass rate · 151,353 vehicles
Verdict: On MOT pass rate, the Austin 12 is the more reliable of the two — 94% pass first time versus 67%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Austin 12 | Austin Maestro l |
|---|---|---|
| MOT pass rate | 94% ✓ | 67% |
| MOT failure rate | 6% ✓ | 33% |
| Faults & advisories per test | 0.4 ✓ | 1.8 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 31,334 mi | 74,113 mi |
| Sample size (vehicles) | 157 | 151,353 |
Most common faults
Austin 12
- Steering system has slight free play detected at steering wheel (2.2.A.1a)
- Oil leak
- Nearside Track rod end ball joint has slight play (2.2.B.1f)
- Nearside Rear Shock absorber has a light misting of oil (2.7.3)
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1a)
Austin Maestro l
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Oil leak
- Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
- Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
- 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)
Reliability FAQ
On MOT pass rate, the Austin 12 is the more reliable of the two — 94% pass first time versus 67%. It's one signal among several; check the full breakdown below.
Full Austin 12 report Full Austin Maestro l 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.