Porsche 911 MOT Results

Registered in 1980
83.1% pass rate
from 65 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 1980 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment
    • 7.7% fail on Headlamps (2 times worse than other 1980 cars)
      • 6.2% fail on Headlamp
      • 1.5% fail on Dipswitch
    • 4.6% fail on Headlamp aim
      • 3.1% fail on Headlamp aim not tested (9 times worse than other 1980 cars)
      • 1.5% fail on Headlamp aim
    • 4.6% fail on Front and rear fog lamps
      • 4.6% fail on Rear fog lamp
        • 4.6% fail on Rear fog lamp
    • 3.1% fail on Registration plate lamp(s)
    • 1.5% fail on Stop lamp
    • 1.5% fail on Electrical equipment
      • 1.5% fail on Horn
  • 3.1% fail on Brakes
    • 1.5% fail on Rigid brake pipes
    • 1.5% 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 Parking brake performance
        • 1.5% fail on Rbt
          • 1.5% fail on Parking brake performance
      • 1.5% fail on Parking brake efficiency (sp)
        • 1.5% fail on Rbt (sp)
  • 1.5% fail on Identification of the vehicle
    • 1.5% fail on Registration plates
  • 1.5% fail on Steering
    • 1.5% fail on Steering column
  • 1.5% fail on Visibility
    • 1.5% fail on Washers
  • 1.5% fail on Suspension
    • 1.5% fail on Anti-roll bars
      • 1.5% fail on Attachment bracket and mounting

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