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Austin Montego l vs Austin Ruby: 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 Ruby
94%
MOT pass rate · 108 vehicles
More reliable
Verdict: On MOT pass rate, the Austin Ruby is the more reliable of the two — 94% pass first time versus 69%. It's one signal among several; check the full breakdown below.

Head to head

Measure Austin Montego l Austin Ruby
MOT pass rate 69% 94% ✓
MOT failure rate 31% 6% ✓
Faults & advisories per test 2.0 0.4 ✓
Dangerous-fault share 0% 0%
Average mileage 87,961 mi 36,552 mi
Sample size (vehicles) 153,789 108

Most common faults

Austin Montego l

  1. Oil leak
  2. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  3. Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
  4. Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  5. Parking brake: efficiency below requirements (3.7.B.7)
  6. oil leak

Austin Ruby

  1. Steering system has slight free play detected at steering wheel (2.2.A.1a)
  2. Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
  3. Service brake: efficiency below requirements (3.7.C.1a)
  4. Service brake: efficiency below requirements (3.7.B.7)
  5. Nearside Front Front wheel bearing has slight play (2.5.A.3c)
  6. Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Reliability FAQ

On MOT pass rate, the Austin Ruby is the more reliable of the two — 94% pass first time versus 69%. It's one signal among several; check the full breakdown below.

Full Austin Montego l report Full Austin Ruby 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.