Porsche 911 MOT Results

Registered in 2008
86.2% pass rate
from 1,742 tests in 2017
(63% better than other 2008 cars)
Pass rate by mileage
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 2008 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 5.5% fail on Lamps, Reflectors and Electrical Equipment (70% better than other 2008 cars)
    • 2.6% fail on Headlamp aim (45% better than other 2008 cars)
    • 0.92% fail on Registration plate lamp (82% better than other 2008 cars)
    • 0.92% fail on Headlamps (70% better than other 2008 cars)
      • 0.57% fail on Headlamp defects which don't require an aim check on retest (7 times worse than other 2008 cars)
        • 0.57% fail on Headlamp cleaning device (9 times worse than other 2008 cars)
      • 0.29% fail on Headlamp defects which do require an aim check on retest (5 times worse than other 2008 cars)
        • 0.23% fail on Headlamp levelling device (7 times worse than other 2008 cars)
        • 0.057% fail on Headlamp cleaning device
      • 0.057% fail on Headlamp
      • 0.057% fail on Switch
    • 0.80% fail on Position lamps (84% better than other 2008 cars)
      • 0.40% fail on Front lamps (90% better than other 2008 cars)
      • 0.34% fail on Rear lamps (70% better than other 2008 cars)
      • 0.057% fail on Switch
    • 0.63% fail on Stop lamp (84% better than other 2008 cars)
    • 0.34% fail on Direction indicators (81% better than other 2008 cars)
      • 0.34% fail on Flashing type (81% better than other 2008 cars)
        • 0.23% fail on Individual lamps (79% better than other 2008 cars)
        • 0.11% fail on Side repeaters
    • 0.23% fail on Rear fog lamp
      • 0.23% fail on Fog lamp
    • 0.11% fail on Battery
    • 0.057% fail on Electrical wiring
  • 4.2% fail on Tyres (45% better than other 2008 cars)
    • 2.6% fail on Condition
    • 1.3% fail on Tread depth (69% better than other 2008 cars)
    • 0.69% fail on Tyre pressure monitoring system (5 times worse than other 2008 cars)
    • 0.057% fail on Valve stem
  • 2.0% fail on Suspension (85% better than other 2008 cars)
    • 1.0% fail on Drive shafts (48% better than other 2008 cars)
      • 1.0% fail on Front drive shafts (47% better than other 2008 cars)
        • 1.0% fail on Constant velocity joints (47% better than other 2008 cars)
    • 0.29% fail on Suspension arms (89% better than other 2008 cars)
      • 0.29% fail on Pins/bushes/ball joints (88% better than other 2008 cars)
    • 0.23% fail on Shock absorbers (83% better than other 2008 cars)
      • 0.23% fail on Condition (83% better than other 2008 cars)
    • 0.17% fail on Coil springs (97% better than other 2008 cars)
      • 0.11% fail on Condition (98% better than other 2008 cars)
      • 0.057% fail on Location
    • 0.057% fail on Tie bars/rods
      • 0.057% fail on Pins/bushes/ball joints
    • 0.057% fail on Macpherson strut
      • 0.057% fail on Condition
    • 0.057% fail on Wheel bearings
      • 0.057% fail on Rear
    • 0.057% fail on Front suspension joints
  • 1.1% fail on Brakes (86% better than other 2008 cars)
    • 0.52% fail on Hydraulic systems (62% better than other 2008 cars)
      • 0.46% fail on Components (62% better than other 2008 cars)
        • 0.40% fail on Pipes
        • 0.057% fail on Reservoirs
      • 0.057% fail on Brake fluid warning lamp
    • 0.17% fail on Hub components (94% better than other 2008 cars)
      • 0.11% fail on Brake discs (84% better than other 2008 cars)
      • 0.057% fail on Brake pads
    • 0.17% fail on Brake performance (95% better than other 2008 cars)
      • 0.057% fail on Front wheels
      • 0.057% fail on Rear wheels
      • 0.057% fail on Service brake performance
    • 0.11% fail on Restricted movement
    • 0.057% fail on Service brake control components
      • 0.057% fail on Pedal
        • 0.057% fail on Condition
    • 0.057% fail on Air and vacuum systems
      • 0.057% fail on Components
        • 0.057% fail on Pump/compressors
  • 1.1% fail on Registration plates and VIN (88% worse than other 2008 cars)
    • 1.1% fail on Registration plate (88% worse than other 2008 cars)
  • 1.0% fail on Exhaust, Fuel and Emissions (64% better than other 2008 cars)
    • 0.63% fail on Emissions
    • 0.34% fail on Exhaust system (80% better than other 2008 cars)
    • 0.34% fail on Fuel system
      • 0.34% fail on Cap (2 times worse than other 2008 cars)
  • 1.0% fail on Driver's view of the road (82% better than other 2008 cars)
    • 0.69% fail on Wipers (78% better than other 2008 cars)
    • 0.17% fail on Washers (93% better than other 2008 cars)
    • 0.11% fail on Windscreen
    • 0.057% fail on Bonnet
  • 0.46% fail on Seat Belts and Supplementary Restraint Systems
    • 0.34% fail on Supplementary restraint systems
      • 0.23% fail on SRS Malfunction Indicator Lamp
      • 0.11% fail on Drivers airbag
    • 0.11% fail on Seat belts
      • 0.11% fail on Condition
  • 0.23% fail on Steering (86% better than other 2008 cars)
    • 0.23% fail on Steering system (84% better than other 2008 cars)
      • 0.17% fail on Steering rack
      • 0.057% fail on Track rod end
  • 0.17% fail on Body, Structure and General Items
    • 0.17% fail on Body condition
    • 0.057% fail on Vehicle structure
      • 0.057% fail on Chassis
  • 0.057% fail on Road Wheels
    • 0.057% fail on Condition

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