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Ford Sierra MOT Results

78.0% pass rate
from 2,261 tests in 2017
(25% better than other pre-1990 cars)
Number of tests by age
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 pre-1990 cars and highlighted areas where the Ford Sierra is unusually good or bad.

  • 10% fail on Lamps, Reflectors and Electrical Equipment (36% better than other pre-1990 cars)
    • 3.1% fail on Headlamp aim (29% better than other pre-1990 cars)
    • 2.1% fail on Position lamps (41% better than other pre-1990 cars)
      • 1.3% fail on Rear lamps
      • 0.80% fail on Front lamps (63% better than other pre-1990 cars)
      • 0.044% fail on All position lamps
    • 1.9% fail on Headlamps (44% better than other pre-1990 cars)
      • 1.9% fail on Headlamp (39% better than other pre-1990 cars)
      • 0.088% fail on Headlamp defects which don't require an aim check on retest
        • 0.088% fail on Main beam 'tell-tale'
      • 0.044% fail on Headlamp defects which do require an aim check on retest
        • 0.044% fail on Main beam 'tell-tale'
    • 1.6% fail on Direction indicators (52% better than other pre-1990 cars)
      • 1.6% fail on Flashing type (52% better than other pre-1990 cars)
        • 0.97% fail on Individual lamps (43% better than other pre-1990 cars)
        • 0.66% fail on Side repeaters
        • 0.22% fail on All direction indicators (74% better than other pre-1990 cars)
        • 0.044% fail on Tell tales
        • 0.044% fail on Switch
    • 1.5% fail on Registration plate lamp (42% better than other pre-1990 cars)
    • 1.5% fail on Stop lamp (47% better than other pre-1990 cars)
    • 1.5% fail on Rear fog lamp
      • 1.3% fail on Fog lamp
      • 0.13% fail on Tell tale
      • 0.13% fail on Switch
    • 1.3% fail on Horn (37% better than other pre-1990 cars)
    • 0.88% fail on Battery
    • 0.88% fail on Hazard warning
      • 0.40% fail on Lamp
      • 0.40% fail on Switch
      • 0.18% fail on Tell tale
    • 0.088% fail on Electrical wiring
  • 7.8% fail on Suspension (20% better than other pre-1990 cars)
    • 4.5% fail on Prescribed areas
      • 3.4% fail on Component mounting
      • 1.2% fail on Subframe mounting (87% worse than other pre-1990 cars)
      • 0.22% fail on Spring mounting (76% better than other pre-1990 cars)
    • 1.2% fail on Suspension arms
      • 1.0% fail on Pins/bushes/ball joints
      • 0.13% fail on Condition
      • 0.088% fail on Attachment
    • 1.1% fail on Drive shafts
      • 0.80% fail on Front drive shafts
        • 0.80% fail on Constant velocity joints
      • 0.40% fail on Any drive shaft which is part of the suspension (2 times worse than other pre-1990 cars)
        • 0.35% fail on Drive shafts (3 times worse than other pre-1990 cars)
        • 0.044% fail on Universal joint
    • 0.88% fail on Coil springs (150% worse than other pre-1990 cars)
      • 0.88% fail on Condition (2 times worse than other pre-1990 cars)
    • 0.57% fail on Wheel bearings (66% better than other pre-1990 cars)
      • 0.40% fail on Front (64% better than other pre-1990 cars)
      • 0.22% fail on Rear (67% better than other pre-1990 cars)
    • 0.44% fail on Front suspension joints
    • 0.35% fail on Anti-roll bars
      • 0.22% fail on Pins/bushes/ball joints
      • 0.044% fail on Linkage pins/bushes/ball joints
      • 0.044% fail on Attachment
      • 0.044% fail on Linkage condition
      • 0.044% fail on Presence
    • 0.18% fail on Tie bars/rods
      • 0.18% fail on Pins/bushes/ball joints
    • 0.18% fail on Macpherson strut
      • 0.18% fail on Condition
    • 0.18% fail on Shock absorbers (82% better than other pre-1990 cars)
      • 0.18% fail on Condition (82% better than other pre-1990 cars)
    • 0.044% fail on Bonded suspension
      • 0.044% fail on Condition
    • 0.044% fail on Trailing arms
      • 0.044% fail on Pins/bushes/ball joints
    • 0.044% fail on Torque/reaction arms
      • 0.044% fail on Attachment
    • 0.044% fail on Sub-frames
      • 0.044% fail on Pins/bushes/ball joints
  • 7.0% fail on Brakes (40% better than other pre-1990 cars)
    • 3.6% fail on Brake performance (57% better than other pre-1990 cars)
      • 1.8% fail on Parking brake performance (48% better than other pre-1990 cars)
      • 1.4% fail on Rear wheels (63% better than other pre-1990 cars)
      • 1.1% fail on Front wheels (72% better than other pre-1990 cars)
      • 0.27% fail on Service brake performance (82% better than other pre-1990 cars)
      • 0.18% fail on Brake imbalance (73% better than other pre-1990 cars)
      • 0.13% fail on Brake performance not tested
      • 0.044% fail on Brake operation
    • 3.0% fail on Hydraulic systems
      • 2.5% fail on Components
        • 1.3% fail on Pipes
        • 1.3% fail on Hoses
        • 0.088% fail on Reservoirs
        • 0.044% fail on Servos
        • 0.044% fail on Valves
      • 0.57% fail on Leaks
      • 0.044% fail on Brake fluid warning lamp
      • 0.044% fail on Operation
    • 0.49% fail on ABS (3 times worse than other pre-1990 cars)
    • 0.31% fail on Hub components (64% better than other pre-1990 cars)
      • 0.22% fail on Brake pads
      • 0.044% fail on Brake discs
      • 0.044% fail on Brake calipers
    • 0.27% fail on Parking brake (69% better than other pre-1990 cars)
      • 0.27% fail on Condition (68% better than other pre-1990 cars)
    • 0.13% fail on Air and vacuum systems
      • 0.13% fail on Components
        • 0.13% fail on Servos (4 times worse than other pre-1990 cars)
    • 0.13% fail on Restricted movement
    • 0.088% fail on Electronic stability system (35 times worse than other pre-1990 cars)
    • 0.044% fail on Mechanical components
      • 0.044% fail on Pivot
  • 4.8% fail on Exhaust, Fuel and Emissions
    • 2.3% fail on Emissions
    • 1.6% fail on Exhaust system
    • 1.1% fail on Fuel system
      • 0.49% fail on Pipe
      • 0.22% fail on System
      • 0.18% fail on Tank
      • 0.088% fail on Hose
      • 0.088% fail on Cap
    • 0.22% fail on Emissions not tested
  • 3.9% fail on Driver's view of the road (45% better than other pre-1990 cars)
    • 2.0% fail on Washers (58% better than other pre-1990 cars)
    • 1.9% fail on Wipers (32% better than other pre-1990 cars)
    • 0.18% fail on Windscreen
    • 0.13% fail on Mirrors
    • 0.044% fail on Bonnet
  • 3.4% fail on Steering (25% better than other pre-1990 cars)
    • 2.1% fail on Steering system (41% better than other pre-1990 cars)
      • 1.1% fail on Steering rack
      • 0.57% fail on Track rod end (61% better than other pre-1990 cars)
      • 0.18% fail on Ball joint
      • 0.13% fail on Steering arm
      • 0.088% fail on Other components
        • 0.088% fail on Steering pivot point
      • 0.044% fail on Free play
        • 0.044% fail on Steering rack
    • 0.71% fail on Power steering (99% worse than other pre-1990 cars)
      • 0.35% fail on Pipes and hoses (3 times worse than other pre-1990 cars)
      • 0.27% fail on Other components
      • 0.088% fail on Operation
      • 0.044% fail on Rams
    • 0.31% fail on Steering control
      • 0.18% fail on Steering column
      • 0.088% fail on Steering coupling
        • 0.044% fail on Flexible coupling
        • 0.044% fail on Universal joint
      • 0.044% fail on Steering lock
    • 0.27% fail on Locking devices
    • 0.088% fail on Steering operation
  • 2.5% fail on Body, Structure and General Items (29% better than other pre-1990 cars)
    • 1.3% fail on Body condition
    • 0.88% fail on Vehicle structure
      • 0.88% fail on Chassis
    • 0.27% fail on Seats
      • 0.27% fail on Drivers
    • 0.18% fail on Doors (69% better than other pre-1990 cars)
      • 0.13% fail on Passengers other
      • 0.044% fail on Drivers
    • 0.044% fail on Engine mountings
    • 0.044% fail on Speedometer
    • 0.044% fail on Load security
      • 0.044% fail on Bootlid
  • 2.4% fail on Seat Belts and Supplementary Restraint Systems
    • 2.4% fail on Seat belts
      • 2.2% fail on Prescribed areas (47% worse than other pre-1990 cars)
      • 0.22% fail on Condition
      • 0.088% fail on Requirements
  • 1.8% fail on Tyres
    • 1.2% fail on Condition
    • 0.66% fail on Tread depth
    • 0.044% fail on Valve stem
  • 0.35% fail on Registration plates and VIN
    • 0.35% fail on Registration plate
  • 0.18% fail on Road Wheels
    • 0.18% fail on Attachment
    • 0.044% fail on Condition