Porsche 911 MOT Results

Registered in 1983
78.4% pass rate
from 213 tests in 2020
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.

  • 15% fail on Lamps, reflectors and electrical equipment
    • 6.1% fail on Front and rear fog lamps
      • 6.1% fail on Rear fog lamp
        • 5.2% fail on Rear fog lamp
        • 0.94% fail on Switch
    • 3.3% fail on Headlamp aim
      • 2.8% fail on Headlamp aim
      • 0.47% fail on Headlamp aim not tested
    • 2.8% fail on Headlamps
      • 2.3% fail on Headlamp
      • 0.47% fail on Dipswitch
    • 2.8% fail on Electrical equipment
      • 2.3% fail on Horn
      • 0.47% fail on Battery(ies)
    • 1.9% fail on Position lamps
      • 1.9% fail on Position lamp
    • 1.9% fail on Stop lamp
    • 1.4% fail on Direction indicators
      • 1.4% fail on Flashing type
        • 1.4% fail on Individual direction indicators
    • 0.47% fail on Registration plate lamp(s)
  • 8.5% fail on Visibility
    • 8.5% fail on Washers
    • 0.47% fail on Wipers
  • 5.6% fail on Brakes
    • 5.6% fail on Brake performance
      • 4.2% fail on Service brake performance
        • 4.2% fail on Rbt
          • 4.2% fail on Service brake performance
      • 0.94% fail on Service Brake Efficiency (sp)
        • 0.94% fail on Rbt (sp)
          • 0.94% fail on Service brake performance
      • 0.94% fail on Parking brake efficiency (sp)
        • 0.94% fail on Rbt (sp)
      • 0.47% fail on Parking brake performance
        • 0.47% fail on Rbt
          • 0.47% fail on Parking brake performance
  • 5.6% fail on Noise, emissions and leaks
    • 4.7% fail on Exhaust emissions
      • 4.7% fail on Spark ignition
        • 4.7% fail on Non catalyst emissions
        • 0.47% fail on Emissions not tested
    • 0.47% fail on Noise suppression
      • 0.47% fail on Sound deadening material
    • 0.47% fail on Fluid leaks
      • 0.47% fail on Engine oil leaks
  • 2.8% fail on Body, chassis, structure (63% better than other 1983 cars)
    • 0.94% fail on Chassis
      • 0.94% fail on Chassis condition
    • 0.94% fail on Transmission
      • 0.94% fail on Drive shafts
        • 0.94% fail on Joints
    • 0.47% fail on Integral vehicle structure
      • 0.47% fail on Integral vehicle structure condition
    • 0.47% fail on Fuel system
      • 0.47% fail on Fuel cap/sealing device
    • 0.47% fail on Floor
  • 1.9% fail on Identification of the vehicle
    • 1.9% fail on Registration plates
  • 1.9% fail on Suspension (78% better than other 1983 cars)
    • 0.47% fail on Wheel bearings
    • 0.47% fail on Shock absorbers
    • 0.47% fail on Suspension arms
      • 0.47% fail on Suspension arm
    • 0.47% fail on Component mounting prescribed areas
  • 0.94% fail on Steering
    • 0.47% fail on Steering wheel
    • 0.47% fail on Steering column
  • 0.47% fail on Seat belts and supplementary restraint systems
    • 0.47% fail on Seat belts
      • 0.47% fail on Condition
  • 0.47% fail on Tyres
    • 0.47% fail on Condition

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