Porsche 911 MOT Results

Registered in 1985
69.1% pass rate
from 269 tests in 2017
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 1985 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 22% fail on Lamps, Reflectors and Electrical Equipment
    • 10% fail on Rear fog lamp (100% worse than other 1985 cars)
      • 9.7% fail on Fog lamp (100% worse than other 1985 cars)
      • 0.74% fail on Switch
      • 0.37% fail on Tell tale
    • 5.9% fail on Headlamp aim
    • 4.5% fail on Direction indicators
      • 4.5% fail on Flashing type
        • 1.9% fail on All direction indicators
        • 1.9% fail on Side repeaters
        • 1.1% fail on Individual lamps
        • 0.37% fail on Tell tales
    • 3.7% fail on Headlamps
      • 3.0% fail on Headlamp
      • 0.74% fail on Headlamp defects which don't require an aim check on retest
        • 0.74% fail on Main beam 'tell-tale'
      • 0.37% fail on Dipswitch
    • 3.7% fail on Stop lamp
    • 3.3% fail on Position lamps
      • 1.5% fail on Front lamps
      • 1.5% fail on Rear lamps
      • 0.37% fail on All position lamps
      • 0.37% fail on Switch
    • 3.0% fail on Registration plate lamp
    • 0.74% fail on Horn
    • 0.37% fail on Battery
    • 0.37% fail on Hazard warning
      • 0.37% fail on Lamp
    • 0.37% fail on Headlamp aim not tested
  • 8.2% fail on Brakes
    • 5.6% fail on Brake performance
      • 3.7% fail on Rear wheels
      • 3.3% fail on Front wheels
      • 0.74% fail on Parking brake performance
      • 0.37% fail on Service brake performance
    • 2.6% fail on Hydraulic systems
      • 2.6% fail on Components
        • 2.6% fail on Hoses
    • 0.37% fail on Mechanical components
      • 0.37% fail on Cable
  • 7.4% fail on Driver's view of the road
    • 6.3% fail on Washers
    • 1.5% fail on Wipers
    • 0.37% fail on Bonnet
  • 3.7% fail on Suspension (69% better than other 1985 cars)
    • 3.3% fail on Anti-roll bars (3 times worse than other 1985 cars)
      • 1.5% fail on Attachment (10 times worse than other 1985 cars)
      • 1.1% fail on Linkage condition (8 times worse than other 1985 cars)
      • 0.74% fail on Linkage pins/bushes/ball joints
      • 0.37% fail on Condition
    • 0.74% fail on Wheel bearings
      • 0.74% fail on Front
  • 3.3% fail on Exhaust, Fuel and Emissions (57% better than other 1985 cars)
    • 2.2% fail on Emissions
    • 0.74% fail on Exhaust system
    • 0.37% fail on Fuel system
      • 0.37% fail on Pipe
    • 0.37% fail on Emissions not tested
  • 1.9% fail on Steering
    • 1.9% fail on Steering system
      • 1.5% fail on Track rod end
      • 0.37% fail on Drag link end
  • 1.9% fail on Seat Belts and Supplementary Restraint Systems
    • 1.9% fail on Seat belts
      • 1.5% fail on Prescribed areas
      • 0.37% fail on Attachment
  • 1.5% fail on Tyres
    • 1.1% fail on Tread depth
    • 0.37% fail on Valve stem
  • 1.5% fail on Registration plates and VIN
    • 1.5% fail on Registration plate
  • 0.74% fail on Body, Structure and General Items (84% better than other 1985 cars)
    • 0.37% fail on Doors
      • 0.37% fail on Drivers
      • 0.37% fail on Passengers front
    • 0.37% fail on Seats
      • 0.37% fail on Passengers

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