Ford Sierra MOT Results

Registered in 1991
71.7% pass rate
from 481 tests in 2017
(27% better than other 1991 cars)
Pass rate by mileage
Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for 1991 cars and highlighted areas where the Ford Sierra is unusually good or bad.

  • 12% fail on Suspension
    • 7.5% fail on Prescribed areas
      • 5.4% fail on Component mounting
      • 2.1% fail on Subframe mounting
      • 0.42% fail on Spring mounting
    • 2.1% fail on Coil springs
      • 1.9% fail on Condition
      • 0.21% fail on Location
    • 1.7% fail on Suspension arms
      • 1.5% fail on Pins/bushes/ball joints
      • 0.21% fail on Condition
    • 1.7% fail on Drive shafts
      • 1.7% fail on Front drive shafts
        • 1.7% fail on Constant velocity joints
    • 1.2% fail on Anti-roll bars
      • 0.83% fail on Pins/bushes/ball joints
      • 0.42% fail on Attachment
    • 0.42% fail on Sub-frames
      • 0.21% fail on Pins/bushes/ball joints
      • 0.21% fail on Attachment
    • 0.42% fail on Wheel bearings
      • 0.21% fail on Front
      • 0.21% fail on Rear
    • 0.42% fail on Front suspension joints
    • 0.21% fail on Trailing arms
      • 0.21% fail on Attachment
    • 0.21% fail on Macpherson strut
      • 0.21% fail on Condition
    • 0.21% fail on Shock absorbers
      • 0.21% fail on Condition
  • 12% fail on Lamps, Reflectors and Electrical Equipment (42% better than other 1991 cars)
    • 3.3% fail on Headlamp aim
    • 2.9% fail on Position lamps
      • 2.3% fail on Rear lamps
      • 0.62% fail on Front lamps (77% better than other 1991 cars)
    • 2.3% fail on Stop lamp
    • 2.1% fail on Registration plate lamp
    • 2.1% fail on Headlamps
      • 2.1% fail on Headlamp
    • 1.2% fail on Rear fog lamp (74% better than other 1991 cars)
      • 1.2% fail on Fog lamp (73% better than other 1991 cars)
    • 1.2% fail on Horn
    • 0.83% fail on Battery
    • 0.83% fail on Direction indicators (75% better than other 1991 cars)
      • 0.83% fail on Flashing type (75% better than other 1991 cars)
        • 0.42% fail on Switch (6 times worse than other 1991 cars)
        • 0.21% fail on All direction indicators
        • 0.21% fail on Individual lamps
  • 9.1% fail on Brakes (37% better than other 1991 cars)
    • 5.8% fail on Brake performance (37% better than other 1991 cars)
      • 3.1% fail on Parking brake performance
      • 2.7% fail on Rear wheels
      • 0.83% fail on Front wheels (78% better than other 1991 cars)
      • 0.62% fail on Service brake performance
      • 0.42% fail on Brake operation
      • 0.21% fail on Brake performance not tested
    • 4.0% fail on Hydraulic systems
      • 3.3% fail on Components
        • 2.3% fail on Pipes
        • 1.2% fail on Hoses
      • 0.42% fail on Leaks
      • 0.21% fail on Operation
    • 1.0% fail on Hub components
      • 0.62% fail on Brake pads
      • 0.21% fail on Brake discs
      • 0.21% fail on Brake calipers
    • 0.42% fail on ABS
    • 0.42% fail on Restricted movement
  • 8.1% fail on Exhaust, Fuel and Emissions
    • 4.6% fail on Emissions
    • 2.5% fail on Exhaust system
    • 0.83% fail on Emissions not tested
    • 0.62% fail on Fuel system
      • 0.21% fail on Pipe
      • 0.21% fail on Cap
      • 0.21% fail on System
  • 4.8% fail on Seat Belts and Supplementary Restraint Systems
    • 4.8% fail on Seat belts
      • 4.8% fail on Prescribed areas
  • 4.8% fail on Driver's view of the road (41% better than other 1991 cars)
    • 2.3% fail on Wipers
    • 2.1% fail on Washers
    • 0.42% fail on Mirrors
    • 0.21% fail on Windscreen
  • 3.5% fail on Body, Structure and General Items
    • 2.1% fail on Body condition
    • 1.2% fail on Vehicle structure
      • 1.2% fail on Chassis
    • 0.21% fail on Seats
      • 0.21% fail on Drivers
  • 3.3% fail on Tyres
    • 2.1% fail on Condition
    • 1.2% fail on Tread depth
    • 0.21% fail on Size/type
  • 2.7% fail on Steering (52% better than other 1991 cars)
    • 1.9% fail on Steering system (59% better than other 1991 cars)
      • 0.83% fail on Steering rack
      • 0.83% fail on Track rod end
      • 0.21% fail on Ball joint
    • 0.42% fail on Steering control
      • 0.42% fail on Steering column
    • 0.21% fail on Steering operation
    • 0.21% fail on Power steering
      • 0.21% fail on Pipes and hoses
    • 0.21% fail on Locking devices
  • 1.7% fail on Registration plates and VIN
    • 1.7% fail on Registration plate
  • 0.21% fail on Towbars
    • 0.21% fail on Vehicle structure

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