Porsche 928 MOT Results

Registered in 1990
74.6% pass rate
from 67 tests in 2021
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 1990 cars and highlighted areas where the Porsche 928 is unusually good or bad.

  • 10% fail on Lamps, reflectors and electrical equipment
    • 6.0% fail on Front and rear fog lamps
      • 6.0% fail on Rear fog lamp
        • 6.0% fail on Rear fog lamp
    • 4.5% fail on Headlamp aim
      • 4.5% fail on Headlamp aim
    • 3.0% fail on Electrical equipment
      • 3.0% fail on Horn
    • 1.5% fail on Headlamps
      • 1.5% fail on Headlamp
    • 1.5% fail on Direction indicators
      • 1.5% fail on Flashing type
        • 1.5% fail on Individual direction indicators
        • 1.5% fail on Switch
  • 9.0% fail on Steering
    • 6.0% fail on Steering gear (3 times worse than other 1990 cars)
      • 6.0% fail on Steering rack (4 times worse than other 1990 cars)
    • 1.5% fail on Steering linkage components
      • 1.5% fail on Track rod end
    • 1.5% fail on Power steering
      • 1.5% fail on Other components
  • 9.0% fail on Visibility
    • 7.5% fail on Washers
    • 3.0% fail on Wipers
  • 7.5% fail on Brakes
    • 6.0% fail on Brake performance
      • 3.0% fail on Service brake performance
        • 3.0% fail on Rbt
          • 3.0% fail on Service brake performance
      • 1.5% fail on Service Brake Efficiency (sp)
        • 1.5% fail on Rbt (sp)
          • 1.5% fail on Service brake performance
      • 1.5% fail on Parking brake performance
        • 1.5% fail on Rbt
          • 1.5% fail on Parking brake performance
      • 1.5% fail on Parking brake efficiency (sp)
        • 1.5% fail on Rbt (sp)
    • 3.0% fail on Rigid brake pipes
  • 7.5% fail on Suspension
    • 4.5% fail on Wheel bearings
    • 3.0% fail on Component mounting prescribed areas
    • 1.5% fail on Springs
      • 1.5% fail on Coil springs
        • 1.5% fail on Coil spring
  • 3.0% fail on Seat belts and supplementary restraint systems
    • 1.5% fail on Seat belts
      • 1.5% fail on Condition
    • 1.5% fail on SRS malfunction indicator lamp
  • 1.5% fail on Identification of the vehicle
    • 1.5% fail on Registration plates

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