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Porsche 356 MOT Results

83.1% pass rate
from 77 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 pre-1990 cars and highlighted areas where the Porsche 356 is unusually good or bad.

  • 12% fail on Brakes
    • 10% fail on Brake performance
      • 5.2% fail on Parking brake performance (3 times worse than other pre-1990 cars)
        • 5.2% fail on Rbt (3 times worse than other pre-1990 cars)
          • 5.2% fail on Parking brake performance (4 times worse than other pre-1990 cars)
      • 3.9% fail on Parking brake efficiency (sp)
        • 3.9% fail on Rbt (sp)
      • 1.3% fail on Service brake performance
        • 1.3% fail on Rbt
          • 1.3% fail on Service brake performance
      • 1.3% fail on Service Brake Efficiency (sp)
        • 1.3% fail on Rbt (sp)
          • 1.3% fail on Service brake imbalance
    • 2.6% fail on Parking brake control (5 times worse than other pre-1990 cars)
      • 2.6% fail on Lever (5 times worse than other pre-1990 cars)
    • 2.6% fail on Other components and prescribed areas (11 times worse than other pre-1990 cars)
      • 1.3% fail on Other components
      • 1.3% fail on Additional braking device
    • 1.3% fail on Flexible brake hoses
  • 7.8% fail on Lamps, reflectors and electrical equipment
    • 3.9% fail on Stop lamp
    • 3.9% fail on Direction indicators
      • 3.9% fail on Flashing type
        • 2.6% fail on Individual direction indicators
        • 1.3% fail on All direction indicators
    • 2.6% fail on Headlamp aim
      • 2.6% fail on Headlamp aim
    • 1.3% fail on Headlamps
      • 1.3% fail on Dipswitch
  • 5.2% fail on Visibility
    • 3.9% fail on Washers
    • 2.6% fail on Wipers
  • 3.9% fail on Suspension
    • 1.3% fail on Shock absorbers
    • 1.3% fail on Anti-roll bars
      • 1.3% fail on Linkage pins and bushes
    • 1.3% fail on Component mounting prescribed areas
  • 1.3% fail on Steering
    • 1.3% fail on Steering gear
      • 1.3% fail on Steering box
  • 1.3% fail on Body, chassis, structure
    • 1.3% fail on Seats
      • 1.3% fail on Driver's seat