Porsche 911 MOT Results

Registered in 1989
82.1% pass rate
from 653 tests in 2017
(49% better than other 1989 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 1989 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 12% fail on Lamps, Reflectors and Electrical Equipment (40% better than other 1989 cars)
    • 3.8% fail on Rear fog lamp
      • 3.7% fail on Fog lamp
      • 0.31% fail on Tell tale
      • 0.15% fail on Switch
    • 3.7% fail on Headlamp aim
    • 2.5% fail on Position lamps
      • 1.8% fail on Front lamps
      • 0.61% fail on Rear lamps
      • 0.15% fail on Switch
    • 1.7% fail on Registration plate lamp
    • 1.4% fail on Direction indicators (66% better than other 1989 cars)
      • 1.4% fail on Flashing type (66% better than other 1989 cars)
        • 0.77% fail on Individual lamps
        • 0.46% fail on Side repeaters
        • 0.15% fail on All direction indicators
    • 1.1% fail on Stop lamp (63% better than other 1989 cars)
    • 0.77% fail on Battery
    • 0.77% fail on Headlamps (77% better than other 1989 cars)
      • 0.61% fail on Headlamp (80% better than other 1989 cars)
      • 0.15% fail on Dipswitch
    • 0.46% fail on Horn (73% better than other 1989 cars)
    • 0.31% fail on Hazard warning
      • 0.15% fail on Lamp
      • 0.15% fail on Switch
    • 0.15% fail on Electrical wiring
  • 3.5% fail on Driver's view of the road (54% better than other 1989 cars)
    • 2.9% fail on Washers
    • 0.61% fail on Wipers (84% better than other 1989 cars)
    • 0.15% fail on Bonnet
    • 0.15% fail on Windscreen
  • 3.4% fail on Suspension (75% better than other 1989 cars)
    • 1.4% fail on Drive shafts
      • 1.2% fail on Any drive shaft which is part of the suspension (6 times worse than other 1989 cars)
        • 1.2% fail on Drive shafts (9 times worse than other 1989 cars)
      • 0.15% fail on Front drive shafts
        • 0.15% fail on Constant velocity joints
    • 1.2% fail on Wheel bearings
      • 1.1% fail on Front
      • 0.15% fail on Rear
    • 1.1% fail on Anti-roll bars
      • 0.61% fail on Linkage pins/bushes/ball joints
      • 0.31% fail on Attachment
      • 0.15% fail on Linkage condition
    • 0.15% fail on Suspension arms
      • 0.15% fail on Pins/bushes/ball joints
    • 0.15% fail on Macpherson strut
      • 0.15% fail on Condition
    • 0.15% fail on Front suspension joints
    • 0.15% fail on Shock absorbers
      • 0.15% fail on Condition
    • 0.15% fail on Prescribed areas
      • 0.15% fail on Subframe mounting
  • 3.4% fail on Brakes (74% better than other 1989 cars)
    • 2.3% fail on Brake performance (73% better than other 1989 cars)
      • 1.2% fail on Rear wheels (69% better than other 1989 cars)
      • 0.92% fail on Front wheels (73% better than other 1989 cars)
      • 0.46% fail on Brake imbalance
      • 0.46% fail on Parking brake performance (87% better than other 1989 cars)
      • 0.15% fail on Service brake performance
      • 0.15% fail on Brake operation
    • 1.2% fail on Hydraulic systems (73% better than other 1989 cars)
      • 1.2% fail on Components (68% better than other 1989 cars)
        • 1.1% fail on Hoses
        • 0.15% fail on Pipes
    • 0.31% fail on Hub components
      • 0.31% fail on Brake calipers
    • 0.15% fail on Restricted movement
  • 2.5% fail on Exhaust, Fuel and Emissions (69% better than other 1989 cars)
    • 2.1% fail on Emissions
    • 0.15% fail on Fuel system
      • 0.15% fail on Cap
    • 0.15% fail on Emissions not tested
  • 1.8% fail on Steering (64% better than other 1989 cars)
    • 0.77% fail on Steering system (81% better than other 1989 cars)
      • 0.46% fail on Steering rack
      • 0.31% fail on Track rod end (80% better than other 1989 cars)
    • 0.61% fail on Steering control
      • 0.61% fail on Steering column (3 times worse than other 1989 cars)
    • 0.31% fail on Steering operation
    • 0.31% fail on Locking devices
  • 1.5% fail on Tyres (55% better than other 1989 cars)
    • 1.2% fail on Tread depth
    • 0.15% fail on Condition
    • 0.15% fail on Valve stem
  • 0.92% fail on Registration plates and VIN
    • 0.92% fail on Registration plate
  • 0.46% fail on Body, Structure and General Items (91% better than other 1989 cars)
    • 0.15% fail on Vehicle structure
      • 0.15% fail on Chassis
    • 0.15% fail on Doors
      • 0.15% fail on Drivers
      • 0.15% fail on Passengers front
      • 0.15% fail on Passengers other
    • 0.15% fail on Seats
      • 0.15% fail on Drivers
  • 0.31% fail on Seat Belts and Supplementary Restraint Systems (90% better than other 1989 cars)
    • 0.31% fail on Seat belts (90% better than other 1989 cars)
      • 0.31% fail on Prescribed areas (87% better than other 1989 cars)

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