Austin Montego l vs Austin Ng: 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 Ng
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Austin Montego l (69%) and Austin Ng (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 Ng |
|---|---|---|
| MOT pass rate | 69% | 100% ✓ |
| MOT failure rate | 31% | 0% ✓ |
| Faults & advisories per test | 2.0 | 0.6 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 87,961 mi | 76,212 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 Ng
- Nearside Steering rack gaiter deteriorated (2.2.D.2d)
- Offside Rear Direction indicator slightly discoloured (1.4.A.2f)
- both front wheels have slight play in hubs/splines
- offside front king pin has slight wear
- Front registration plate deteriorated but not likely to be misread slightly (6.3.1d)
- Nearside Front Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)
Reliability FAQ
On MOT pass rate the Austin Montego l (69%) and Austin Ng (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 Ng 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.