MOT Results

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Ford Sierra MOT Results

84.4% pass rate
from 2,113 tests in 2021
(42% better than other pre-1990 cars)
Number of tests by age
More MoT Results
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.

  • 5.6% fail on Lamps, reflectors and electrical equipment (55% better than other pre-1990 cars)
    • 1.5% fail on Headlamp aim (58% better than other pre-1990 cars)
      • 1.5% fail on Headlamp aim (56% better than other pre-1990 cars)
      • 0.047% fail on Headlamp aim not tested
    • 1.3% fail on Stop lamp (48% better than other pre-1990 cars)
    • 1.3% fail on Direction indicators (55% better than other pre-1990 cars)
      • 1.3% fail on Flashing type (55% better than other pre-1990 cars)
        • 0.76% fail on Individual direction indicators (54% better than other pre-1990 cars)
        • 0.38% fail on All direction indicators
        • 0.19% fail on Side repeaters (74% better than other pre-1990 cars)
        • 0.047% fail on Switch
    • 1.1% fail on Front and rear fog lamps (51% better than other pre-1990 cars)
      • 1.1% fail on Rear fog lamp (51% better than other pre-1990 cars)
        • 1.1% fail on Rear fog lamp (51% better than other pre-1990 cars)
        • 0.047% fail on Switch
    • 1.1% fail on Electrical equipment
      • 0.80% fail on Horn
      • 0.33% fail on Battery(ies)
      • 0.095% fail on Electrical wiring
    • 1.0% fail on Headlamps (65% better than other pre-1990 cars)
      • 1.0% fail on Headlamp (64% better than other pre-1990 cars)
    • 0.52% fail on Registration plate lamp(s) (59% better than other pre-1990 cars)
    • 0.19% fail on Hazard warning
      • 0.19% fail on Switch
    • 0.14% fail on Mandatory tell-tales
      • 0.14% fail on Main beam tell-tale
    • 0.047% fail on Position lamps
      • 0.047% fail on Position lamp
    • 0.047% fail on Rear reflectors
  • 4.6% fail on Suspension (38% better than other pre-1990 cars)
    • 2.4% fail on Component mounting prescribed areas
    • 1.4% fail on Suspension arms
      • 0.66% fail on Ball joint dust cover
      • 0.43% fail on Ball joint
      • 0.38% fail on Pins and bushes
      • 0.047% fail on Attachment bracket and mounting
    • 0.66% fail on Springs
      • 0.62% fail on Coil springs
        • 0.62% fail on Coil spring
      • 0.047% fail on Spring mounting prescribed areas
    • 0.38% fail on Wheel bearings (73% better than other pre-1990 cars)
    • 0.28% fail on Sub-frames
      • 0.14% fail on Pins and bushes
      • 0.095% fail on Sub-frame mounting prescribed areas
      • 0.047% fail on Sub-frame
      • 0.047% fail on Attachment bracket and mounting
    • 0.19% fail on Anti-roll bars
      • 0.047% fail on Attachment bracket and mounting
      • 0.047% fail on Pins and bushes
      • 0.047% fail on Linkage pins and bushes
      • 0.047% fail on Linkage ball joint dust cover
    • 0.047% fail on Shock absorbers
    • 0.047% fail on Macpherson strut
      • 0.047% fail on Macpherson strut
    • 0.047% fail on Suspension rods
      • 0.047% fail on Pins and bushes
  • 4.1% fail on Noise, emissions and leaks
    • 3.9% fail on Exhaust emissions
      • 3.8% fail on Spark ignition
        • 3.1% fail on Non catalyst emissions
        • 0.43% fail on Emissions not tested
        • 0.28% fail on Catalyst emissions
        • 0.047% fail on Emission control equipment
          • 0.047% fail on NOx sensor
      • 0.095% fail on Compression ignition
        • 0.047% fail on Pre 01/07/2008 Non turbo
        • 0.047% fail on On or after 01/01/2014
    • 0.43% fail on Fluid leaks
      • 0.28% fail on Engine oil leaks
      • 0.14% fail on Other leaks
      • 0.095% fail on Transmission oil leaks
  • 3.8% fail on Brakes (57% better than other pre-1990 cars)
    • 2.1% fail on Brake performance (69% better than other pre-1990 cars)
      • 0.90% fail on Service brake performance (70% better than other pre-1990 cars)
        • 0.85% fail on Rbt (71% better than other pre-1990 cars)
          • 0.66% fail on Service brake performance (73% better than other pre-1990 cars)
          • 0.24% fail on Service brake imbalance (66% better than other pre-1990 cars)
        • 0.047% fail on Plate brake tester
          • 0.047% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.90% fail on Parking brake efficiency (sp) (67% better than other pre-1990 cars)
        • 0.66% fail on Rbt (sp) (74% better than other pre-1990 cars)
        • 0.19% fail on Decelerometer (sp)
        • 0.047% fail on Gradient tester (sp)
      • 0.62% fail on Service Brake Efficiency (sp) (79% better than other pre-1990 cars)
        • 0.62% fail on Rbt (sp) (78% better than other pre-1990 cars)
          • 0.43% fail on Service brake imbalance (79% better than other pre-1990 cars)
          • 0.19% fail on Service brake performance (85% better than other pre-1990 cars)
      • 0.33% fail on Parking brake performance (67% better than other pre-1990 cars)
        • 0.28% fail on Rbt (71% better than other pre-1990 cars)
          • 0.28% fail on Parking brake performance
        • 0.047% fail on Decelerometer
          • 0.047% fail on Parking brake performance
      • 0.19% fail on Brake performance not tested
    • 0.76% fail on Rigid brake pipes
    • 0.47% fail on ABS / EBS / ESC (2 times worse than other pre-1990 cars)
      • 0.38% fail on Anti-lock braking system (180% worse than other pre-1990 cars)
      • 0.095% fail on Electronic stability control (24 times worse than other pre-1990 cars)
    • 0.33% fail on Mechanical brake components
      • 0.24% fail on Brake discs and drums
        • 0.24% fail on Brake discs
      • 0.095% fail on Brake linings and pads
        • 0.095% fail on Brake pads
    • 0.28% fail on Flexible brake hoses
    • 0.24% fail on Service brake pedal or hand lever
      • 0.19% fail on Pedal
      • 0.047% fail on Hand lever
    • 0.19% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.14% fail on Hydraulic brake cylinder
      • 0.047% fail on Hydraulic brake callipers
    • 0.14% fail on Hydraulic systems
      • 0.047% fail on Servos
      • 0.047% fail on Master cylinder
      • 0.047% fail on Brake fluid
    • 0.095% fail on Air and vacuum systems
      • 0.095% fail on Servos
    • 0.047% fail on Parking brake control
      • 0.047% fail on Lever
  • 3.1% fail on Body, chassis, structure (50% better than other pre-1990 cars)
    • 0.85% fail on Integral vehicle structure
      • 0.85% fail on Integral vehicle structure condition
    • 0.80% fail on Exhaust system (55% better than other pre-1990 cars)
    • 0.76% fail on Transmission
      • 0.76% fail on Drive shafts
        • 0.71% fail on Joints
        • 0.047% fail on Drive shaft
    • 0.52% fail on Fuel system
      • 0.28% fail on Tank
      • 0.14% fail on Pipe
      • 0.095% fail on Hose
    • 0.33% fail on Chassis (64% better than other pre-1990 cars)
      • 0.33% fail on Chassis condition (64% better than other pre-1990 cars)
    • 0.14% fail on Floor
    • 0.14% fail on Seats (78% better than other pre-1990 cars)
      • 0.095% fail on Driver's seat (80% better than other pre-1990 cars)
      • 0.047% fail on Passenger's seat
    • 0.047% fail on Bumpers
    • 0.047% fail on Towbar
      • 0.047% fail on Towbar condition
    • 0.047% fail on Doors
      • 0.047% fail on Driver's door
        • 0.047% fail on Door condition
    • 0.047% fail on Cabs
      • 0.047% fail on Prescribed areas
  • 2.6% fail on Visibility (59% better than other pre-1990 cars)
    • 1.6% fail on Washers (63% better than other pre-1990 cars)
    • 1.2% fail on Wipers (52% better than other pre-1990 cars)
    • 0.047% fail on View to rear
      • 0.047% fail on Mirrors
  • 1.5% fail on Steering (59% better than other pre-1990 cars)
    • 1.0% fail on Steering gear
      • 1.0% fail on Steering rack
    • 0.38% fail on Steering linkage components (80% better than other pre-1990 cars)
      • 0.24% fail on Track rod end (80% better than other pre-1990 cars)
      • 0.095% fail on Locking devices
      • 0.047% fail on Ball joint
      • 0.047% fail on Drag link end
    • 0.095% fail on Power steering
      • 0.047% fail on Pipes and hoses
      • 0.047% fail on Other components
    • 0.047% fail on Steering column
  • 1.2% fail on Seat belts and supplementary restraint systems
    • 1.2% fail on Seat belts
      • 0.85% fail on Prescribed areas
      • 0.24% fail on Condition
      • 0.095% fail on Attachment
    • 0.047% fail on SRS malfunction indicator lamp
  • 0.85% fail on Tyres
    • 0.62% fail on Condition
    • 0.28% fail on Tread depth
    • 0.047% fail on Size/type
  • 0.43% fail on Identification of the vehicle
    • 0.38% fail on Registration plates
    • 0.047% fail on Vehicle Identification Number
  • 0.14% fail on Road Wheels
    • 0.14% fail on Attachment
  • 0.047% fail on Seat belt installation check
    • 0.047% fail on Anchorages
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