Austin Mini chelsea vs Austin Montego l: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Austin Mini chelsea
65%
MOT pass rate · 1,427 vehicles
Austin Montego l
69%
MOT pass rate · 153,789 vehicles
More reliable
Verdict: On MOT pass rate, the Austin Montego l is the more reliable of the two — 69% pass first time versus 65%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Austin Mini chelsea | Austin Montego l |
|---|---|---|
| MOT pass rate | 65% | 69% ✓ |
| MOT failure rate | 35% | 31% ✓ |
| Faults & advisories per test | 3.1 | 2.0 ✓ |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 75,672 mi | 87,961 mi |
| Sample size (vehicles) | 1,427 | 153,789 |
Most common faults
Austin Mini chelsea
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Parking brake: efficiency below requirements (3.7.B.7)
- Oil leak
- Offside Rear Subframe mounting prescribed area is excessively corroded (2.4.A.3)
- Offside Rear fog lamp not working (1.3.2b)
- Service brake: efficiency below requirements (3.7.B.7)
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
Reliability FAQ
On MOT pass rate, the Austin Montego l is the more reliable of the two — 69% pass first time versus 65%. It's one signal among several; check the full breakdown below.
Full Austin Mini chelsea report Full Austin Montego 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.