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Ford Sierra MOT Results

83.0% pass rate
from 2,370 tests in 2020
(39% 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.

  • 6.9% fail on Lamps, reflectors and electrical equipment (49% better than other pre-1990 cars)
    • 1.9% fail on Headlamp aim (45% better than other pre-1990 cars)
      • 1.8% fail on Headlamp aim (45% better than other pre-1990 cars)
      • 0.13% fail on Headlamp aim not tested
    • 1.7% fail on Electrical equipment
      • 1.3% fail on Horn
      • 0.46% fail on Battery(ies)
      • 0.042% fail on Electrical wiring
    • 1.6% fail on Headlamps (46% better than other pre-1990 cars)
      • 1.6% fail on Headlamp (43% better than other pre-1990 cars)
      • 0.042% fail on Dipswitch
    • 1.5% fail on Stop lamp (41% better than other pre-1990 cars)
    • 1.3% fail on Direction indicators (52% better than other pre-1990 cars)
      • 1.3% fail on Flashing type (52% better than other pre-1990 cars)
        • 0.76% fail on Individual direction indicators (53% better than other pre-1990 cars)
        • 0.42% fail on Side repeaters
        • 0.13% fail on All direction indicators (76% better than other pre-1990 cars)
    • 0.89% fail on Front and rear fog lamps (63% better than other pre-1990 cars)
      • 0.89% fail on Rear fog lamp (63% better than other pre-1990 cars)
        • 0.89% fail on Rear fog lamp (61% better than other pre-1990 cars)
        • 0.084% fail on Switch
    • 0.84% fail on Registration plate lamp(s)
    • 0.59% fail on Position lamps (63% better than other pre-1990 cars)
      • 0.59% fail on Position lamp (59% better than other pre-1990 cars)
    • 0.17% fail on Hazard warning
      • 0.17% fail on Switch
    • 0.042% fail on Mandatory tell-tales
      • 0.042% fail on Main beam tell-tale
  • 5.8% fail on Suspension (29% better than other pre-1990 cars)
    • 2.8% fail on Component mounting prescribed areas
    • 1.6% fail on Suspension arms
      • 0.76% fail on Ball joint
      • 0.59% fail on Pins and bushes
      • 0.38% fail on Ball joint dust cover
      • 0.084% fail on Suspension arm
    • 0.89% fail on Springs
      • 0.80% fail on Coil springs (120% worse than other pre-1990 cars)
        • 0.76% fail on Coil spring (130% worse than other pre-1990 cars)
        • 0.042% fail on Mounting
      • 0.084% fail on Spring mounting prescribed areas
    • 0.59% fail on Wheel bearings (61% better than other pre-1990 cars)
    • 0.38% fail on Anti-roll bars
      • 0.17% fail on Pins and bushes
      • 0.084% fail on Attachment bracket and mounting
      • 0.042% fail on Anti-roll bar
      • 0.042% fail on Linkage
      • 0.042% fail on Ball joint
    • 0.21% fail on Shock absorbers (69% better than other pre-1990 cars)
    • 0.21% fail on Sub-frames
      • 0.21% fail on Sub-frame mounting prescribed areas
    • 0.084% fail on Other suspension component (83% better than other pre-1990 cars)
      • 0.084% fail on Ball joint dust cover
    • 0.042% fail on Macpherson strut
      • 0.042% fail on Attachment bracket and mounting
  • 5.0% fail on Brakes (47% better than other pre-1990 cars)
    • 3.3% fail on Brake performance (54% better than other pre-1990 cars)
      • 1.7% fail on Service brake performance (48% better than other pre-1990 cars)
        • 1.6% fail on Rbt (49% better than other pre-1990 cars)
          • 1.4% fail on Service brake performance (49% better than other pre-1990 cars)
          • 0.34% fail on Service brake imbalance (59% better than other pre-1990 cars)
        • 0.084% fail on Decelerometer
          • 0.084% fail on Service brake performance
      • 1.4% fail on Parking brake efficiency (sp) (53% better than other pre-1990 cars)
        • 1.1% fail on Rbt (sp) (58% better than other pre-1990 cars)
        • 0.25% fail on Decelerometer (sp)
      • 0.59% fail on Service Brake Efficiency (sp) (80% better than other pre-1990 cars)
        • 0.59% fail on Rbt (sp) (79% better than other pre-1990 cars)
          • 0.51% fail on Service brake imbalance (75% better than other pre-1990 cars)
          • 0.25% fail on Service brake performance (79% better than other pre-1990 cars)
      • 0.51% fail on Parking brake performance (59% better than other pre-1990 cars)
        • 0.46% fail on Rbt (61% better than other pre-1990 cars)
          • 0.38% fail on Parking brake performance (56% better than other pre-1990 cars)
          • 0.084% fail on Parking (secondary brake performance)
        • 0.042% fail on Decelerometer
          • 0.042% fail on Parking (secondary brake performance)
      • 0.17% fail on Brake performance not tested
    • 0.72% fail on Rigid brake pipes
    • 0.42% fail on Mechanical brake components
      • 0.25% fail on Brake linings and pads
        • 0.21% fail on Brake pads
        • 0.042% fail on Brake linings
      • 0.17% fail on Brake discs and drums
        • 0.17% fail on Brake discs
      • 0.042% fail on Brake cables, rods, levers and linkages
        • 0.042% fail on Cable
    • 0.38% fail on ABS / EBS / ESC (180% worse than other pre-1990 cars)
      • 0.34% fail on Anti-lock braking system (160% worse than other pre-1990 cars)
      • 0.042% fail on Electronic stability control
    • 0.30% fail on Service brake pedal or hand lever
      • 0.21% fail on Pedal
      • 0.084% fail on Hand lever
    • 0.30% fail on Hydraulic systems
      • 0.25% fail on Brake fluid
      • 0.042% fail on Valves
    • 0.21% fail on Parking brake control
      • 0.21% fail on Lever
    • 0.21% fail on Flexible brake hoses
    • 0.21% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.13% fail on Hydraulic brake callipers
      • 0.084% fail on Hydraulic brake cylinder
    • 0.084% fail on Other components and prescribed areas
      • 0.084% fail on Other components
  • 4.6% fail on Body, chassis, structure (32% better than other pre-1990 cars)
    • 1.2% fail on Exhaust system (38% better than other pre-1990 cars)
    • 1.1% fail on Transmission
      • 0.97% fail on Drive shafts
        • 0.93% fail on Joints
        • 0.042% fail on Drive shaft
      • 0.084% fail on Prop shafts
        • 0.042% fail on Prop shaft
        • 0.042% fail on Joints
    • 0.97% fail on Fuel system
      • 0.42% fail on Pipe
      • 0.34% fail on Fuel cap/sealing device
      • 0.17% fail on Tank
      • 0.042% fail on Hose
    • 0.84% fail on Chassis
      • 0.84% fail on Chassis condition
    • 0.72% fail on Integral vehicle structure
      • 0.72% fail on Integral vehicle structure condition
    • 0.46% fail on Seats
      • 0.38% fail on Driver's seat
      • 0.13% fail on Passenger's seat
    • 0.13% fail on Bumpers
    • 0.13% fail on Floor
    • 0.084% fail on Doors (84% better than other pre-1990 cars)
      • 0.084% fail on Other passenger's door
        • 0.084% fail on Door condition
    • 0.042% fail on Body
      • 0.042% fail on Mounting fixings
  • 3.3% fail on Noise, emissions and leaks
    • 2.9% fail on Exhaust emissions
      • 2.9% fail on Spark ignition
        • 2.5% fail on Non catalyst emissions
        • 0.25% fail on Catalyst emissions
        • 0.17% fail on Emissions not tested
        • 0.042% fail on Malfunction indicator lamp
    • 0.51% fail on Fluid leaks
      • 0.42% fail on Engine oil leaks
      • 0.042% fail on Hydraulic fluid leaks
      • 0.042% fail on Other leaks
  • 3.0% fail on Visibility (53% better than other pre-1990 cars)
    • 1.8% fail on Washers (58% better than other pre-1990 cars)
    • 1.1% fail on Wipers (57% better than other pre-1990 cars)
    • 0.13% fail on View to rear
      • 0.13% fail on Mirrors
    • 0.084% fail on Condition of glass
      • 0.084% fail on Windscreen
    • 0.042% fail on Bonnet
  • 2.1% fail on Steering (46% better than other pre-1990 cars)
    • 1.1% fail on Steering gear
      • 1.0% fail on Steering rack
      • 0.042% fail on Operation
    • 0.46% fail on Steering linkage components (76% better than other pre-1990 cars)
      • 0.42% fail on Track rod end (65% better than other pre-1990 cars)
      • 0.042% fail on Ball joint
    • 0.34% fail on Power steering
      • 0.13% fail on Other components
      • 0.084% fail on Pipes and hoses
      • 0.084% fail on Pump
      • 0.042% fail on Operation
      • 0.042% fail on Rams
    • 0.13% fail on Steering column
    • 0.13% fail on Steering coupling
      • 0.084% fail on Flexible coupling
      • 0.042% fail on Universal joint
    • 0.042% fail on Prescribed areas
    • 0.042% fail on Steering wheel
    • 0.042% fail on Steering play
      • 0.042% fail on Steering rack
  • 1.9% fail on Seat belts and supplementary restraint systems
    • 1.9% fail on Seat belts
      • 1.5% fail on Prescribed areas
      • 0.34% fail on Condition
      • 0.042% fail on Requirements
  • 0.84% fail on Tyres (46% better than other pre-1990 cars)
    • 0.42% fail on Condition
    • 0.42% fail on Tread depth
    • 0.084% fail on Size/type
  • 0.46% fail on Identification of the vehicle
    • 0.46% fail on Registration plates
  • 0.38% fail on Road Wheels
    • 0.38% fail on Attachment
  • 0.17% fail on Speedometer and speed limiter
    • 0.17% fail on Speedometer