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Ford Sierra MOT Results

83.1% pass rate
from 1,825 tests in 2020
(38% 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.

  • 7.3% fail on Lamps, reflectors and electrical equipment (43% better than other pre-1990 cars)
    • 2.1% fail on Headlamp aim (36% better than other pre-1990 cars)
      • 2.0% fail on Headlamp aim (35% better than other pre-1990 cars)
      • 0.11% fail on Headlamp aim not tested (56% better than other pre-1990 cars)
    • 1.9% fail on Direction indicators (28% better than other pre-1990 cars)
      • 1.9% fail on Flashing type (28% better than other pre-1990 cars)
        • 0.99% fail on Individual direction indicators (37% better than other pre-1990 cars)
        • 0.55% fail on Side repeaters (18% better than other pre-1990 cars)
        • 0.33% fail on All direction indicators (35% better than other pre-1990 cars)
        • 0.11% fail on Switch (170% worse than other pre-1990 cars)
    • 1.6% fail on Headlamps (44% better than other pre-1990 cars)
      • 1.6% fail on Headlamp (41% better than other pre-1990 cars)
    • 1.5% fail on Stop lamp (40% better than other pre-1990 cars)
    • 1.3% fail on Front and rear fog lamps (49% better than other pre-1990 cars)
      • 1.3% fail on Rear fog lamp (49% better than other pre-1990 cars)
        • 1.2% fail on Rear fog lamp (49% better than other pre-1990 cars)
        • 0.11% fail on Switch (52% better than other pre-1990 cars)
    • 1.3% fail on Electrical equipment (43% better than other pre-1990 cars)
      • 0.88% fail on Horn (44% better than other pre-1990 cars)
      • 0.38% fail on Battery(ies) (35% better than other pre-1990 cars)
      • 0.055% fail on Electrical wiring
    • 0.60% fail on Registration plate lamp(s) (54% better than other pre-1990 cars)
    • 0.22% fail on Hazard warning (13% worse than other pre-1990 cars)
      • 0.22% fail on Switch (13% worse than other pre-1990 cars)
    • 0.22% fail on Mandatory tell-tales (39% better than other pre-1990 cars)
      • 0.16% fail on Main beam tell-tale (44% worse than other pre-1990 cars)
      • 0.055% fail on Rear fog lamp tell-tale
    • 0.11% fail on Position lamps (44% better than other pre-1990 cars)
      • 0.11% fail on Position lamp (27% better than other pre-1990 cars)
  • 5.4% fail on Suspension (31% better than other pre-1990 cars)
    • 3.0% fail on Component mounting prescribed areas (2.8% worse than other pre-1990 cars)
    • 1.3% fail on Suspension arms (31% better than other pre-1990 cars)
      • 0.55% fail on Pins and bushes (3.3% better than other pre-1990 cars)
      • 0.49% fail on Ball joint (22% better than other pre-1990 cars)
      • 0.11% fail on Suspension arm (14% better than other pre-1990 cars)
      • 0.055% fail on Attachment bracket and mounting
      • 0.055% fail on Ball joint dust cover
    • 0.60% fail on Wheel bearings (57% better than other pre-1990 cars)
    • 0.60% fail on Springs (12% better than other pre-1990 cars)
      • 0.49% fail on Coil springs (35% worse than other pre-1990 cars)
        • 0.49% fail on Coil spring (53% worse than other pre-1990 cars)
      • 0.11% fail on Spring mounting prescribed areas (38% better than other pre-1990 cars)
    • 0.33% fail on Sub-frames (19% better than other pre-1990 cars)
      • 0.27% fail on Sub-frame mounting prescribed areas (15% worse than other pre-1990 cars)
      • 0.055% fail on Pins and bushes
    • 0.22% fail on Shock absorbers (66% better than other pre-1990 cars)
    • 0.22% fail on Other suspension component (45% better than other pre-1990 cars)
      • 0.11% fail on Ball joint dust cover (19% worse than other pre-1990 cars)
      • 0.055% fail on Pins and bushes
      • 0.055% fail on Ball joint
    • 0.11% fail on Anti-roll bars (83% better than other pre-1990 cars)
      • 0.11% fail on Attachment bracket and mounting (2.4% better than other pre-1990 cars)
    • 0.055% fail on Macpherson strut
      • 0.055% fail on Macpherson strut
  • 4.9% fail on Brakes (47% better than other pre-1990 cars)
    • 2.9% fail on Brake performance (58% better than other pre-1990 cars)
      • 1.3% fail on Parking brake efficiency (sp) (54% better than other pre-1990 cars)
        • 1.0% fail on Rbt (sp) (60% better than other pre-1990 cars)
        • 0.27% fail on Decelerometer (sp) (29% worse than other pre-1990 cars)
      • 1.0% fail on Service brake performance (66% better than other pre-1990 cars)
        • 1.0% fail on Rbt (65% better than other pre-1990 cars)
          • 0.93% fail on Service brake performance (62% better than other pre-1990 cars)
          • 0.11% fail on Service brake imbalance (85% better than other pre-1990 cars)
      • 0.88% fail on Service Brake Efficiency (sp) (71% better than other pre-1990 cars)
        • 0.88% fail on Rbt (sp) (70% better than other pre-1990 cars)
          • 0.60% fail on Service brake imbalance (71% better than other pre-1990 cars)
          • 0.33% fail on Service brake performance (74% better than other pre-1990 cars)
      • 0.38% fail on Parking brake performance (66% better than other pre-1990 cars)
        • 0.33% fail on Rbt (70% better than other pre-1990 cars)
          • 0.27% fail on Parking brake performance (66% better than other pre-1990 cars)
          • 0.055% fail on Parking (secondary brake performance)
        • 0.055% fail on Plate brake tester
          • 0.055% fail on Parking brake performance
      • 0.22% fail on Brake performance not tested (36% better than other pre-1990 cars)
    • 0.88% fail on Rigid brake pipes (23% better than other pre-1990 cars)
    • 0.44% fail on ABS / EBS / ESC (2 times worse than other pre-1990 cars)
      • 0.38% fail on Anti-lock braking system (2 times worse than other pre-1990 cars)
      • 0.055% fail on Electronic stability control
    • 0.33% fail on Hydraulic systems (25% worse than other pre-1990 cars)
      • 0.22% fail on Brake fluid (81% worse than other pre-1990 cars)
      • 0.11% fail on Valves (130% worse than other pre-1990 cars)
    • 0.27% fail on Service brake pedal or hand lever (50% better than other pre-1990 cars)
      • 0.27% fail on Pedal (32% better than other pre-1990 cars)
    • 0.27% fail on Flexible brake hoses (29% better than other pre-1990 cars)
    • 0.27% fail on Mechanical brake components (70% better than other pre-1990 cars)
      • 0.22% fail on Brake linings and pads (49% better than other pre-1990 cars)
        • 0.22% fail on Brake pads (46% better than other pre-1990 cars)
      • 0.055% fail on Brake discs and drums
        • 0.055% fail on Brake discs
    • 0.16% fail on Parking brake control (52% better than other pre-1990 cars)
      • 0.16% fail on Lever (52% better than other pre-1990 cars)
    • 0.055% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.055% fail on Hydraulic brake callipers
  • 3.5% fail on Body, chassis, structure (47% better than other pre-1990 cars)
    • 0.93% fail on Exhaust system (53% better than other pre-1990 cars)
    • 0.71% fail on Transmission (46% better than other pre-1990 cars)
      • 0.66% fail on Drive shafts (36% better than other pre-1990 cars)
        • 0.60% fail on Joints (39% better than other pre-1990 cars)
        • 0.055% fail on Drive shaft
      • 0.055% fail on Prop shafts
        • 0.055% fail on Joints
    • 0.66% fail on Integral vehicle structure (35% better than other pre-1990 cars)
      • 0.66% fail on Integral vehicle structure condition (35% better than other pre-1990 cars)
    • 0.55% fail on Chassis (45% better than other pre-1990 cars)
      • 0.55% fail on Chassis condition (45% better than other pre-1990 cars)
    • 0.38% fail on Fuel system (50% better than other pre-1990 cars)
      • 0.27% fail on Pipe (0.92% better than other pre-1990 cars)
      • 0.11% fail on Fuel cap/sealing device (46% better than other pre-1990 cars)
    • 0.33% fail on Seats (44% better than other pre-1990 cars)
      • 0.27% fail on Driver's seat (36% better than other pre-1990 cars)
      • 0.11% fail on Passenger's seat (58% better than other pre-1990 cars)
    • 0.11% fail on Doors (77% better than other pre-1990 cars)
      • 0.055% fail on Front passenger's door
        • 0.055% fail on Door condition
      • 0.055% fail on Other passenger's door
        • 0.055% fail on Door condition
    • 0.055% fail on Bumpers
    • 0.055% fail on Body
      • 0.055% fail on Other body component
    • 0.055% fail on Floor
    • 0.055% fail on Boot lid
      • 0.055% fail on Boot lid condition
  • 2.6% fail on Noise, emissions and leaks (36% better than other pre-1990 cars)
    • 2.4% fail on Exhaust emissions (34% better than other pre-1990 cars)
      • 2.3% fail on Spark ignition (32% better than other pre-1990 cars)
        • 2.0% fail on Non catalyst emissions (26% better than other pre-1990 cars)
        • 0.22% fail on Catalyst emissions (26% better than other pre-1990 cars)
        • 0.16% fail on Emissions not tested (54% better than other pre-1990 cars)
      • 0.11% fail on Compression ignition (60% better than other pre-1990 cars)
        • 0.055% fail on Pre 01/07/2008 Turbo
        • 0.055% fail on Emissions not tested
    • 0.22% fail on Fluid leaks (64% better than other pre-1990 cars)
      • 0.11% fail on Engine oil leaks (73% better than other pre-1990 cars)
      • 0.11% fail on Other leaks (5.4% better than other pre-1990 cars)
  • 2.1% fail on Visibility (66% better than other pre-1990 cars)
    • 1.2% fail on Washers (71% better than other pre-1990 cars)
    • 1.0% fail on Wipers (57% better than other pre-1990 cars)
    • 0.11% fail on Driver's view (53% worse than other pre-1990 cars)
    • 0.11% fail on Condition of glass (130% worse than other pre-1990 cars)
      • 0.11% fail on Windscreen (140% worse than other pre-1990 cars)
    • 0.055% fail on View to rear
      • 0.055% fail on Mirrors
  • 1.7% fail on Steering (54% better than other pre-1990 cars)
    • 0.77% fail on Steering gear (32% better than other pre-1990 cars)
      • 0.77% fail on Steering rack (21% better than other pre-1990 cars)
    • 0.66% fail on Steering linkage components (67% better than other pre-1990 cars)
      • 0.38% fail on Track rod end (69% better than other pre-1990 cars)
      • 0.11% fail on Ball joint (66% better than other pre-1990 cars)
      • 0.055% fail on Steering arm
      • 0.055% fail on Other components
        • 0.055% fail on Steering linkage
      • 0.055% fail on Locking devices
    • 0.22% fail on Power steering (36% better than other pre-1990 cars)
      • 0.055% fail on Operation
      • 0.055% fail on Pipes and hoses
      • 0.055% fail on Pump
      • 0.055% fail on Other components
    • 0.22% fail on Steering column (71% worse than other pre-1990 cars)
    • 0.11% fail on Steering coupling (50% worse than other pre-1990 cars)
      • 0.11% fail on Flexible coupling (4 times worse than other pre-1990 cars)
  • 1.6% fail on Seat belts and supplementary restraint systems (2.9% better than other pre-1990 cars)
    • 1.6% fail on Seat belts (2.7% better than other pre-1990 cars)
      • 1.3% fail on Prescribed areas (25% worse than other pre-1990 cars)
      • 0.16% fail on Condition (62% better than other pre-1990 cars)
      • 0.11% fail on Attachment (20% worse than other pre-1990 cars)
  • 1.2% fail on Tyres (14% better than other pre-1990 cars)
    • 0.82% fail on Condition (13% worse than other pre-1990 cars)
    • 0.33% fail on Tread depth (48% better than other pre-1990 cars)
    • 0.11% fail on Size/type (28% worse than other pre-1990 cars)
  • 0.66% fail on Identification of the vehicle (3.9% worse than other pre-1990 cars)
    • 0.66% fail on Registration plates (8.3% worse than other pre-1990 cars)
  • 0.16% fail on Road Wheels (32% better than other pre-1990 cars)
    • 0.16% fail on Attachment (19% better than other pre-1990 cars)