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Triumph TR4 MOT Results

84.7% pass rate
from 698 tests in 2020
(45% 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.

  • 7.0% fail on Lamps, reflectors and electrical equipment (48% better than other pre-1990 cars)
    • 2.1% fail on Electrical equipment
      • 1.9% fail on Horn
      • 0.29% fail on Battery(ies)
    • 1.6% fail on Headlamps
      • 1.4% fail on Headlamp
      • 0.14% fail on Dipswitch
    • 1.4% fail on Headlamp aim (59% better than other pre-1990 cars)
      • 1.3% fail on Headlamp aim (61% better than other pre-1990 cars)
      • 0.14% fail on Headlamp aim not tested
    • 1.4% fail on Stop lamp
    • 0.86% fail on Direction indicators (69% better than other pre-1990 cars)
      • 0.86% fail on Flashing type (69% better than other pre-1990 cars)
        • 0.57% fail on Individual direction indicators
        • 0.14% fail on All direction indicators
        • 0.14% fail on Switch
    • 0.57% fail on Position lamps
      • 0.57% fail on Position lamp
    • 0.29% fail on Registration plate lamp(s) (80% better than other pre-1990 cars)
    • 0.14% fail on Mandatory tell-tales
      • 0.14% fail on Main beam tell-tale
  • 5.0% fail on Brakes (48% better than other pre-1990 cars)
    • 4.7% fail on Brake performance (34% better than other pre-1990 cars)
      • 2.7% fail on Parking brake efficiency (sp)
        • 2.7% fail on Rbt (sp)
      • 2.3% fail on Service Brake Efficiency (sp)
        • 2.3% fail on Rbt (sp)
          • 2.0% fail on Service brake imbalance
          • 0.57% fail on Service brake performance
      • 1.9% fail on Service brake performance
        • 1.9% fail on Rbt
          • 1.7% fail on Service brake performance
          • 0.14% fail on Service brake imbalance
      • 1.4% fail on Parking brake performance
        • 1.4% fail on Rbt
          • 1.0% fail on Parking (secondary brake performance) (200% worse than other pre-1990 cars)
          • 0.57% fail on Parking brake performance
          • 0.14% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
    • 0.43% fail on Service brake pedal or hand lever
      • 0.43% fail on Pedal
    • 0.29% fail on Parking brake control
      • 0.29% fail on Lever
    • 0.29% fail on Rigid brake pipes
    • 0.14% fail on Flexible brake hoses
    • 0.14% fail on Mechanical brake components
      • 0.14% fail on Brake cables, rods, levers and linkages
        • 0.14% fail on Pivot
  • 3.9% fail on Steering
    • 1.7% fail on Steering linkage components
      • 1.0% fail on Track rod end
      • 0.14% fail on Ball joint
      • 0.14% fail on Drag link end
      • 0.14% fail on Steering arm
      • 0.14% fail on Other components
        • 0.14% fail on Steering linkage
      • 0.14% fail on Locking devices
    • 0.72% fail on Steering gear
      • 0.72% fail on Steering rack
    • 0.57% fail on Steering column (2 times worse than other pre-1990 cars)
    • 0.43% fail on Steering coupling (3 times worse than other pre-1990 cars)
      • 0.43% fail on Universal joint (4 times worse than other pre-1990 cars)
    • 0.29% fail on Steering wheel
    • 0.29% fail on Steering play
      • 0.29% fail on Steering rack
  • 3.4% fail on Visibility (46% better than other pre-1990 cars)
    • 2.7% fail on Washers
    • 1.0% fail on Wipers (59% better than other pre-1990 cars)
    • 0.14% fail on View to rear
      • 0.14% fail on Mirrors
  • 2.7% fail on Suspension (67% better than other pre-1990 cars)
    • 1.6% fail on Suspension arms
      • 0.72% fail on Pins and bushes
      • 0.57% fail on Ball joint dust cover
      • 0.43% fail on Ball joint
      • 0.29% fail on Attachment bracket and mounting
      • 0.14% fail on Suspension arm
    • 0.72% fail on Wheel bearings
    • 0.29% fail on Other suspension component
      • 0.14% fail on Pins and bushes
      • 0.14% fail on Ball joint dust cover
    • 0.14% fail on Axles
      • 0.14% fail on Swivel pins and bushes
    • 0.14% fail on Shock absorbers
    • 0.14% fail on Component mounting prescribed areas
  • 1.3% fail on Body, chassis, structure (81% better than other pre-1990 cars)
    • 0.43% fail on Doors
      • 0.29% fail on Driver's door
        • 0.29% fail on Door condition
      • 0.14% fail on Other passenger's door
        • 0.14% fail on Door condition
    • 0.29% fail on Integral vehicle structure
      • 0.29% fail on Integral vehicle structure condition
    • 0.29% fail on Chassis
      • 0.29% fail on Chassis condition
    • 0.29% fail on Exhaust system (86% better than other pre-1990 cars)
    • 0.29% fail on Fuel system
      • 0.14% fail on Hose
      • 0.14% fail on Pipe
    • 0.14% fail on Body
      • 0.14% fail on Other body component
    • 0.14% fail on Seats
      • 0.14% fail on Passenger's seat
  • 0.86% fail on Noise, emissions and leaks (80% better than other pre-1990 cars)
    • 0.72% fail on Fluid leaks
      • 0.57% fail on Engine oil leaks
      • 0.14% fail on Transmission oil leaks
    • 0.14% fail on Exhaust emissions
      • 0.14% fail on Spark ignition
        • 0.14% fail on Non catalyst emissions
  • 0.57% fail on Road Wheels
    • 0.43% fail on Attachment
    • 0.14% fail on Hubs
  • 0.57% fail on Tyres
    • 0.43% fail on Tread depth
    • 0.14% fail on Condition
  • 0.43% fail on Identification of the vehicle
    • 0.43% fail on Registration plates
  • 0.14% fail on Speedometer and speed limiter
    • 0.14% fail on Speedometer
  • 0.14% fail on Seat belts and supplementary restraint systems
    • 0.14% fail on Seat belts
      • 0.14% fail on Prescribed areas
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