Porsche 911 MOT Results

Registered in 1984
77.5% pass rate
from 200 tests in 2021
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 1984 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment
    • 6.5% fail on Front and rear fog lamps
      • 6.5% fail on Rear fog lamp
        • 6.5% fail on Rear fog lamp
    • 3.0% fail on Headlamp aim
      • 3.0% fail on Headlamp aim
    • 2.5% fail on Direction indicators
      • 2.5% fail on Flashing type
        • 2.5% fail on Individual direction indicators
    • 1.5% fail on Headlamps
      • 1.0% fail on Headlamp
      • 0.50% fail on Dipswitch
    • 1.0% fail on Mandatory tell-tales
      • 1.0% fail on Rear fog lamp tell-tale
    • 1.0% fail on Electrical equipment
      • 1.0% fail on Horn
    • 0.50% fail on Stop lamp
    • 0.50% fail on Registration plate lamp(s)
  • 8.5% fail on Visibility
    • 8.0% fail on Washers
    • 1.0% fail on Wipers
    • 0.50% fail on Bonnet
  • 5.0% fail on Brakes
    • 3.5% fail on Brake performance
      • 1.5% fail on Service brake performance
        • 1.5% fail on Rbt
          • 1.5% fail on Service brake performance
      • 1.5% fail on Service Brake Efficiency (sp)
        • 1.5% fail on Rbt (sp)
          • 1.5% fail on Service brake performance
      • 0.50% fail on Brake performance not tested
    • 1.0% fail on Mechanical brake components
      • 0.50% fail on Brake discs and drums
        • 0.50% fail on Brake drums
      • 0.50% fail on Brake cables, rods, levers and linkages
        • 0.50% fail on Cable
    • 0.50% fail on Parking brake control
      • 0.50% fail on Lever
  • 2.0% fail on Suspension (74% better than other 1984 cars)
    • 1.0% fail on Anti-roll bars
      • 0.50% fail on Attachment bracket and mounting
      • 0.50% fail on Linkage pins and bushes
    • 0.50% fail on Wheel bearings
    • 0.50% fail on Component mounting prescribed areas
  • 2.0% fail on Noise, emissions and leaks
    • 2.0% fail on Exhaust emissions
      • 2.0% fail on Spark ignition
        • 1.0% fail on Non catalyst emissions
        • 0.50% fail on Catalyst emissions
        • 0.50% fail on Emissions not tested
    • 0.50% fail on Fluid leaks
      • 0.50% fail on Engine oil leaks
  • 1.5% fail on Body, chassis, structure (78% better than other 1984 cars)
    • 0.50% fail on Exhaust system
    • 0.50% fail on Fuel system
      • 0.50% fail on Tank
    • 0.50% fail on Transmission
      • 0.50% fail on Drive shafts
        • 0.50% fail on Joints
  • 1.0% fail on Steering
    • 0.50% fail on Steering gear
      • 0.50% fail on Steering rack
    • 0.50% fail on Steering linkage components
      • 0.50% fail on Track rod end
  • 0.50% fail on Identification of the vehicle
    • 0.50% fail on Registration plates
  • 0.50% fail on Seat belts and supplementary restraint systems
    • 0.50% fail on Seat belts
      • 0.50% fail on Prescribed areas
  • 0.50% fail on Tyres
    • 0.50% fail on Tread depth

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