Porsche 911 MOT Results

Registered in 1986
82.3% pass rate
from 316 tests in 2021
(39% better than other 1986 cars)
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 1986 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 7.9% fail on Lamps, reflectors and electrical equipment (45% better than other 1986 cars)
    • 3.5% fail on Front and rear fog lamps
      • 3.5% fail on Rear fog lamp
        • 3.5% fail on Rear fog lamp
    • 2.2% fail on Headlamp aim
      • 2.2% fail on Headlamp aim
    • 1.9% fail on Headlamps
      • 1.6% fail on Headlamp
      • 0.32% fail on Dipswitch
    • 1.6% fail on Direction indicators
      • 1.6% fail on Flashing type
        • 1.3% fail on Individual direction indicators
        • 0.32% fail on All direction indicators
        • 0.32% fail on Side repeaters
    • 0.95% fail on Electrical equipment
      • 0.63% fail on Horn
      • 0.32% fail on Electrical wiring
      • 0.32% fail on Battery(ies)
    • 0.32% fail on Stop lamp
    • 0.32% fail on Registration plate lamp(s)
  • 5.1% fail on Visibility
    • 4.1% fail on Washers
    • 1.3% fail on Wipers
  • 3.8% fail on Brakes (58% better than other 1986 cars)
    • 3.5% fail on Brake performance
      • 1.6% fail on Service brake performance
        • 1.6% fail on Rbt
          • 1.3% fail on Service brake performance
          • 0.63% fail on Service brake imbalance
      • 0.95% fail on Service Brake Efficiency (sp)
        • 0.95% fail on Rbt (sp)
          • 0.95% fail on Service brake performance
      • 0.95% fail on Parking brake efficiency (sp)
        • 0.95% fail on Rbt (sp)
      • 0.32% fail on Parking brake performance
        • 0.32% fail on Rbt
          • 0.32% fail on Parking brake performance
    • 0.32% fail on Service brake pedal or hand lever
      • 0.32% fail on Hand lever
    • 0.32% fail on Mechanical brake components
      • 0.32% fail on Brake linings and pads
        • 0.32% fail on Brake pads
  • 2.8% fail on Noise, emissions and leaks
    • 2.5% fail on Exhaust emissions
      • 2.2% fail on Spark ignition
        • 1.3% fail on Non catalyst emissions
        • 0.63% fail on Emissions not tested
        • 0.32% fail on Catalyst emissions
      • 0.32% fail on Compression ignition
        • 0.32% fail on Pre 01/07/2008 Turbo
    • 0.32% fail on Noise suppression
      • 0.32% fail on Sound deadening material
    • 0.32% fail on Fluid leaks
      • 0.32% fail on Engine oil leaks
  • 2.2% fail on Suspension (72% better than other 1986 cars)
    • 0.63% fail on Suspension arms
      • 0.32% fail on Attachment bracket and mounting
      • 0.32% fail on Ball joint
    • 0.63% fail on Anti-roll bars
      • 0.32% fail on Attachment bracket and mounting
      • 0.32% fail on Linkage pins and bushes
    • 0.32% fail on Wheel bearings
    • 0.32% fail on Shock absorbers
    • 0.32% fail on Component mounting prescribed areas
  • 1.9% fail on Body, chassis, structure (74% better than other 1986 cars)
    • 0.63% fail on Transmission
      • 0.63% fail on Drive shafts
        • 0.63% fail on Joints
    • 0.32% fail on Chassis
      • 0.32% fail on Chassis condition
    • 0.32% fail on Exhaust system
    • 0.32% fail on Doors
      • 0.32% fail on Front passenger's door
        • 0.32% fail on Door condition
    • 0.32% fail on Seats
      • 0.32% fail on Passenger's seat
  • 0.95% fail on Identification of the vehicle
    • 0.95% fail on Registration plates
  • 0.95% fail on Steering (77% better than other 1986 cars)
    • 0.63% fail on Steering linkage components
      • 0.63% fail on Track rod end
    • 0.32% fail on Steering gear
      • 0.32% fail on Steering rack
    • 0.32% fail on Steering column
  • 0.63% fail on Tyres
    • 0.32% fail on Condition
    • 0.32% fail on Tread depth
  • 0.32% fail on Speedometer and speed limiter
    • 0.32% fail on Speedometer

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