MOT Results

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Triumph Stag MOT Results

77.1% pass rate
from 1,523 tests in 2021
(14% 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 Triumph Stag is unusually good or bad.

  • 10.0% fail on Lamps, reflectors and electrical equipment (21% better than other pre-1990 cars)
    • 3.1% fail on Headlamp aim
      • 2.8% fail on Headlamp aim
      • 0.26% fail on Headlamp aim not tested
    • 2.6% fail on Headlamps
      • 2.6% fail on Headlamp
    • 2.4% fail on Direction indicators
      • 2.4% fail on Flashing type
        • 2.0% fail on Individual direction indicators
        • 0.33% fail on All direction indicators
        • 0.066% fail on Switch
    • 2.3% fail on Stop lamp
    • 1.1% fail on Electrical equipment
      • 0.79% fail on Horn
      • 0.33% fail on Battery(ies)
      • 0.066% fail on Electrical wiring
    • 0.92% fail on Registration plate lamp(s)
    • 0.26% fail on Position lamps
      • 0.20% fail on Position lamp
      • 0.066% fail on Switch
  • 6.6% fail on Visibility
    • 5.2% fail on Washers
    • 2.1% fail on Wipers
    • 0.13% fail on View to rear
      • 0.13% fail on Mirrors
  • 5.8% fail on Brakes (34% better than other pre-1990 cars)
    • 4.6% fail on Brake performance (32% better than other pre-1990 cars)
      • 2.2% fail on Service brake performance
        • 2.2% fail on Rbt
          • 1.8% fail on Service brake performance
          • 0.53% fail on Service brake imbalance
      • 2.0% fail on Parking brake efficiency (sp)
        • 2.0% fail on Rbt (sp)
      • 1.7% fail on Service Brake Efficiency (sp) (42% better than other pre-1990 cars)
        • 1.7% fail on Rbt (sp) (40% better than other pre-1990 cars)
          • 1.1% fail on Service brake imbalance
          • 0.79% fail on Service brake performance
      • 0.33% fail on Parking brake performance (67% better than other pre-1990 cars)
        • 0.33% fail on Rbt (66% better than other pre-1990 cars)
          • 0.20% fail on Parking brake performance (73% better than other pre-1990 cars)
          • 0.13% fail on Parking (secondary brake performance)
      • 0.13% fail on Brake performance not tested
    • 0.66% fail on Mechanical brake components
      • 0.39% fail on Brake cables, rods, levers and linkages
        • 0.26% fail on Cable
        • 0.066% fail on Linkage
        • 0.066% fail on Clevis joint
      • 0.26% fail on Brake linings and pads
        • 0.26% fail on Brake pads
      • 0.066% fail on Brake discs and drums
        • 0.066% fail on Brake discs
    • 0.53% fail on Rigid brake pipes
    • 0.13% fail on Service brake pedal or hand lever
      • 0.13% fail on Pedal
    • 0.13% fail on Parking brake control
      • 0.13% fail on Lever
    • 0.13% fail on Hydraulic systems
      • 0.066% fail on Reservoirs
      • 0.066% fail on Valves
    • 0.13% fail on Flexible brake hoses
    • 0.13% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.13% fail on Hydraulic brake cylinder
    • 0.066% fail on Other components and prescribed areas
      • 0.066% fail on Other components
  • 5.3% fail on Suspension (28% better than other pre-1990 cars)
    • 1.9% fail on Suspension arms
      • 0.79% fail on Ball joint
      • 0.66% fail on Ball joint dust cover
      • 0.53% fail on Pins and bushes
      • 0.066% fail on Suspension arm
    • 1.7% fail on Component mounting prescribed areas (39% better than other pre-1990 cars)
    • 1.1% fail on Wheel bearings
    • 0.66% fail on Anti-roll bars
      • 0.33% fail on Linkage (4 times worse than other pre-1990 cars)
      • 0.13% fail on Ball joint (5 times worse than other pre-1990 cars)
      • 0.066% fail on Anti-roll bar
      • 0.066% fail on Linkage pins and bushes
      • 0.066% fail on Linkage ball joints
    • 0.39% fail on Sub-frames
      • 0.20% fail on Pins and bushes
      • 0.20% fail on Sub-frame mounting prescribed areas
    • 0.066% fail on Axles
      • 0.066% fail on Swivel pins and bushes
    • 0.066% fail on Springs
      • 0.066% fail on Coil springs
        • 0.066% fail on Coil spring
    • 0.066% fail on Other suspension component
      • 0.066% fail on Ball joint dust cover
  • 4.0% fail on Noise, emissions and leaks
    • 3.4% fail on Exhaust emissions
      • 3.4% fail on Spark ignition
        • 3.2% fail on Non catalyst emissions
        • 0.20% fail on Emissions not tested
        • 0.066% fail on Catalyst emissions
    • 0.72% fail on Fluid leaks
      • 0.53% fail on Engine oil leaks
      • 0.20% fail on Transmission oil leaks
  • 3.3% fail on Steering
    • 1.3% fail on Steering linkage components
      • 1.1% fail on Track rod end
      • 0.13% fail on Ball joint
      • 0.13% fail on Other components
        • 0.066% fail on Steering component
        • 0.066% fail on Steering linkage
    • 1.1% fail on Steering gear
      • 0.98% fail on Steering rack
      • 0.066% fail on Operation
    • 0.46% fail on Power steering
      • 0.26% fail on Other components
      • 0.13% fail on Pipes and hoses
      • 0.066% fail on Rams
    • 0.46% fail on Steering play
      • 0.46% fail on Steering rack (4 times worse than other pre-1990 cars)
    • 0.39% fail on Steering column (200% worse than other pre-1990 cars)
    • 0.066% fail on Steering coupling
      • 0.066% fail on Universal joint
  • 3.2% fail on Body, chassis, structure (50% better than other pre-1990 cars)
    • 0.98% fail on Fuel system
      • 0.46% fail on Fuel cap/sealing device
      • 0.26% fail on Hose
      • 0.13% fail on Tank
      • 0.13% fail on Pipe
    • 0.66% fail on Transmission
      • 0.59% fail on Drive shafts
        • 0.59% fail on Joints
      • 0.066% fail on Prop shafts
        • 0.066% fail on Prop shaft
    • 0.59% fail on Exhaust system (67% better than other pre-1990 cars)
    • 0.46% fail on Chassis
      • 0.46% fail on Chassis condition
    • 0.46% fail on Seats
      • 0.26% fail on Driver's seat
      • 0.26% fail on Passenger's seat
    • 0.33% fail on Integral vehicle structure (68% better than other pre-1990 cars)
      • 0.33% fail on Integral vehicle structure condition (67% better than other pre-1990 cars)
    • 0.13% fail on Doors
      • 0.13% fail on Front passenger's door
        • 0.13% fail on Door condition
  • 1.3% fail on Seat belts and supplementary restraint systems
    • 1.3% fail on Seat belts
      • 0.79% fail on Condition
      • 0.46% fail on Prescribed areas
      • 0.20% fail on Attachment
  • 0.46% fail on Tyres (64% better than other pre-1990 cars)
    • 0.33% fail on Condition
    • 0.13% fail on Tread depth
  • 0.33% fail on Identification of the vehicle
    • 0.26% fail on Registration plates
    • 0.066% fail on Vehicle Identification Number
  • 0.20% fail on Road Wheels
    • 0.20% fail on Attachment
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