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Triumph TR4 MOT Results

81.5% pass rate
from 1,289 tests in 2017
(36% 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 Triumph TR4 is unusually good or bad.

  • 11% fail on Lamps, Reflectors and Electrical Equipment (36% better than other pre-1990 cars)
    • 2.8% fail on Headlamp aim (36% better than other pre-1990 cars)
    • 2.3% fail on Stop lamp
    • 2.2% fail on Horn
    • 2.1% fail on Position lamps (42% better than other pre-1990 cars)
      • 1.0% fail on Front lamps (54% better than other pre-1990 cars)
      • 0.70% fail on Rear lamps
      • 0.47% fail on All position lamps
    • 2.1% fail on Direction indicators (39% better than other pre-1990 cars)
      • 2.1% fail on Flashing type (39% better than other pre-1990 cars)
        • 0.78% fail on Individual lamps (54% better than other pre-1990 cars)
        • 0.62% fail on Tell tales
        • 0.39% fail on All direction indicators
        • 0.31% fail on Side repeaters
        • 0.078% fail on Switch
    • 1.6% fail on Headlamps (52% better than other pre-1990 cars)
      • 1.6% fail on Headlamp (49% better than other pre-1990 cars)
      • 0.16% fail on Headlamp defects which don't require an aim check on retest
        • 0.16% fail on Main beam 'tell-tale'
      • 0.078% fail on Headlamp defects which do require an aim check on retest
        • 0.078% fail on Main beam 'tell-tale'
    • 1.6% fail on Registration plate lamp (42% better than other pre-1990 cars)
    • 0.23% fail on Battery (81% better than other pre-1990 cars)
    • 0.23% fail on Electrical wiring
    • 0.16% fail on Hazard warning (83% better than other pre-1990 cars)
      • 0.16% fail on Switch
      • 0.078% fail on Tell tale
  • 7.1% fail on Brakes (39% better than other pre-1990 cars)
    • 5.8% fail on Brake performance (31% better than other pre-1990 cars)
      • 3.3% fail on Front wheels
      • 2.9% fail on Parking brake performance
      • 2.2% fail on Rear wheels (43% better than other pre-1990 cars)
      • 1.2% fail on Service brake performance
      • 0.31% fail on Brake imbalance
      • 0.078% fail on Brake performance not tested
    • 1.4% fail on Hydraulic systems (58% better than other pre-1990 cars)
      • 0.62% fail on Components (76% better than other pre-1990 cars)
        • 0.47% fail on Hoses
        • 0.16% fail on Pipes (89% better than other pre-1990 cars)
      • 0.47% fail on Leaks
      • 0.31% fail on Operation
    • 0.70% fail on Parking brake
      • 0.70% fail on Condition
    • 0.23% fail on Service brake control components
      • 0.23% fail on Pedal
        • 0.16% fail on Anti-slip
        • 0.078% fail on Condition
    • 0.16% fail on Hub components (82% better than other pre-1990 cars)
      • 0.078% fail on Brake pads
      • 0.078% fail on Brake drums
    • 0.16% fail on Restricted movement
    • 0.078% fail on Locking devices
  • 4.4% fail on Driver's view of the road (38% better than other pre-1990 cars)
    • 3.3% fail on Washers
    • 1.6% fail on Wipers (42% better than other pre-1990 cars)
    • 0.078% fail on Windscreen
  • 4.0% fail on Steering
    • 3.1% fail on Steering system
      • 1.4% fail on Steering rack
      • 1.2% fail on Track rod end
      • 0.47% fail on Free play
        • 0.47% fail on Steering rack (3 times worse than other pre-1990 cars)
      • 0.23% fail on Steering arm
      • 0.078% fail on Other components
        • 0.078% fail on Steering component
    • 1.0% fail on Steering control (140% worse than other pre-1990 cars)
      • 0.54% fail on Steering column (2 times worse than other pre-1990 cars)
      • 0.23% fail on Steering wheel
      • 0.23% fail on Steering shaft (8 times worse than other pre-1990 cars)
      • 0.23% fail on Steering coupling
        • 0.23% fail on Universal joint
    • 0.31% fail on Steering operation
    • 0.078% fail on Locking devices
  • 3.7% fail on Suspension (62% better than other pre-1990 cars)
    • 1.5% fail on Wheel bearings
      • 1.0% fail on Front
      • 0.54% fail on Rear
    • 0.93% fail on Suspension arms
      • 0.85% fail on Pins/bushes/ball joints
      • 0.078% fail on Condition
    • 0.54% fail on Front suspension joints
    • 0.47% fail on Prescribed areas (88% better than other pre-1990 cars)
      • 0.47% fail on Component mounting (83% better than other pre-1990 cars)
      • 0.078% fail on Spring mounting
    • 0.16% fail on Anti-roll bars
      • 0.078% fail on Linkage pins/bushes/ball joints
      • 0.078% fail on Attachment
    • 0.16% fail on Front suspension retaining and locking devices
    • 0.16% fail on Shock absorbers (84% better than other pre-1990 cars)
      • 0.16% fail on Condition (84% better than other pre-1990 cars)
    • 0.078% fail on Coil springs
      • 0.078% fail on Condition
    • 0.078% fail on Axles
      • 0.078% fail on Swivel joints/housing
  • 1.3% fail on Body, Structure and General Items (63% better than other pre-1990 cars)
    • 0.47% fail on Doors
      • 0.39% fail on Drivers
      • 0.078% fail on Passengers front
    • 0.47% fail on Seats
      • 0.39% fail on Drivers
      • 0.23% fail on Passengers
    • 0.23% fail on Vehicle structure (78% better than other pre-1990 cars)
      • 0.23% fail on Chassis (78% better than other pre-1990 cars)
    • 0.16% fail on Body condition (88% better than other pre-1990 cars)
    • 0.078% fail on Speedometer
  • 1.2% fail on Exhaust, Fuel and Emissions (79% better than other pre-1990 cars)
    • 0.78% fail on Exhaust system (67% better than other pre-1990 cars)
    • 0.31% fail on Fuel system (75% better than other pre-1990 cars)
      • 0.23% fail on Cap
      • 0.078% fail on Pipe
    • 0.23% fail on Emissions (91% better than other pre-1990 cars)
  • 1.0% fail on Road Wheels (2 times worse than other pre-1990 cars)
    • 0.93% fail on Attachment (2 times worse than other pre-1990 cars)
    • 0.078% fail on Condition
  • 0.78% fail on Tyres (65% better than other pre-1990 cars)
    • 0.39% fail on Tread depth
    • 0.31% fail on Condition (75% better than other pre-1990 cars)
    • 0.078% fail on Size/type
  • 0.39% fail on Seat Belts and Supplementary Restraint Systems (82% better than other pre-1990 cars)
    • 0.39% fail on Seat belts (82% better than other pre-1990 cars)
      • 0.23% fail on Prescribed areas (84% better than other pre-1990 cars)
      • 0.078% fail on Requirements
      • 0.078% fail on Attachment
  • 0.16% fail on Registration plates and VIN (81% better than other pre-1990 cars)
    • 0.16% fail on Registration plate (80% better than other pre-1990 cars)
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