Porsche 911 MOT Results

Registered in 1983
78.0% pass rate
from 159 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 1983 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment
    • 5.0% fail on Front and rear fog lamps
      • 5.0% fail on Rear fog lamp
        • 5.0% fail on Rear fog lamp
    • 2.5% fail on Headlamps
      • 2.5% fail on Headlamp
    • 2.5% fail on Headlamp aim
      • 2.5% fail on Headlamp aim
    • 2.5% fail on Registration plate lamp(s)
    • 1.9% fail on Stop lamp
    • 1.3% fail on Direction indicators
      • 1.3% fail on Flashing type
        • 0.63% fail on All direction indicators
        • 0.63% fail on Individual direction indicators
    • 1.3% fail on Mandatory tell-tales
      • 1.3% fail on Rear fog lamp tell-tale
    • 1.3% fail on Electrical equipment
      • 1.3% fail on Horn
  • 11% fail on Visibility
    • 9.4% fail on Washers (110% worse than other 1983 cars)
    • 2.5% fail on Wipers
  • 3.8% fail on Brakes
    • 3.8% fail on Brake performance
      • 1.3% fail on Service brake performance
        • 1.3% fail on Rbt
          • 1.3% fail on Service brake performance
      • 1.3% fail on Parking brake efficiency (sp)
        • 1.3% fail on Rbt (sp)
      • 0.63% fail on Service Brake Efficiency (sp)
        • 0.63% fail on Rbt (sp)
          • 0.63% fail on Service brake performance
      • 0.63% fail on Parking brake performance
        • 0.63% fail on Rbt
          • 0.63% fail on Parking brake performance
  • 2.5% fail on Suspension
    • 1.3% fail on Anti-roll bars
      • 0.63% fail on Linkage
      • 0.63% fail on Linkage pins and bushes
    • 0.63% fail on Shock absorbers
    • 0.63% fail on Other suspension component
      • 0.63% fail on Other suspension component
  • 2.5% fail on Body, chassis, structure
    • 1.9% fail on Transmission
      • 1.3% fail on Drive shafts
        • 1.3% fail on Joints
        • 0.63% fail on Drive shaft
      • 0.63% fail on Prop shafts
        • 0.63% fail on Joints
    • 0.63% fail on Fuel system
      • 0.63% fail on Fuel cap/sealing device
  • 1.9% fail on Seat belts and supplementary restraint systems
    • 1.9% fail on Seat belts
      • 1.3% fail on Condition
      • 0.63% fail on Prescribed areas
  • 0.63% fail on Steering
    • 0.63% fail on Steering column
  • 0.63% fail on Noise, emissions and leaks
    • 0.63% fail on Exhaust emissions
      • 0.63% fail on Spark ignition
        • 0.63% fail on Catalyst emissions
  • 0.63% fail on Road Wheels
    • 0.63% fail on Attachment

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