Porsche 928 MOT Results

Registered in 1989
73.8% pass rate
from 122 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 1989 cars and highlighted areas where the Porsche 928 is unusually good or bad.

  • 11% fail on Lamps, reflectors and electrical equipment
    • 4.9% fail on Headlamp aim
      • 4.1% fail on Headlamp aim
      • 0.82% fail on Headlamp aim not tested
    • 3.3% fail on Headlamps
      • 2.5% fail on Headlamp
      • 0.82% fail on Headlamp levelling device
    • 3.3% fail on Direction indicators
      • 3.3% fail on Flashing type
        • 1.6% fail on Individual direction indicators
        • 1.6% fail on Side repeaters
    • 3.3% fail on Front and rear fog lamps
      • 3.3% fail on Rear fog lamp
        • 3.3% fail on Rear fog lamp
    • 1.6% fail on Stop lamp
    • 0.82% fail on Registration plate lamp(s)
    • 0.82% fail on Electrical equipment
      • 0.82% fail on Horn
  • 4.9% fail on Steering
    • 2.5% fail on Steering gear
      • 2.5% fail on Steering rack
    • 2.5% fail on Steering linkage components
      • 2.5% fail on Track rod end
    • 0.82% fail on Power steering
      • 0.82% fail on Other components
    • 0.82% fail on Steering play
      • 0.82% fail on Steering rack
  • 4.9% fail on Body, chassis, structure
    • 1.6% fail on Transmission
      • 1.6% fail on Drive shafts
        • 1.6% fail on Joints
    • 0.82% fail on Integral vehicle structure
      • 0.82% fail on Integral vehicle structure condition
    • 0.82% fail on Chassis
      • 0.82% fail on Chassis condition
    • 0.82% fail on Fuel system
      • 0.82% fail on Fuel cap/sealing device
    • 0.82% fail on Doors
      • 0.82% fail on Front passenger's door
        • 0.82% fail on Door condition
  • 4.9% fail on Noise, emissions and leaks
    • 4.1% fail on Exhaust emissions
      • 4.1% fail on Spark ignition
        • 2.5% fail on Non catalyst emissions
        • 1.6% fail on Catalyst emissions
    • 0.82% fail on Fluid leaks
      • 0.82% fail on Engine oil leaks
  • 4.1% fail on Brakes
    • 3.3% fail on Brake performance
      • 1.6% fail on Service brake performance
        • 0.82% fail on Rbt
          • 0.82% fail on Service brake performance
        • 0.82% fail on Decelerometer
          • 0.82% fail on Service brake performance
      • 1.6% fail on Service Brake Efficiency (sp)
        • 1.6% fail on Rbt (sp)
          • 1.6% fail on Service brake performance
    • 0.82% fail on ABS / EBS / ESC
      • 0.82% fail on Anti-lock braking system
  • 4.1% fail on Visibility
    • 2.5% fail on Washers
    • 1.6% fail on Wipers
  • 1.6% fail on Suspension (81% better than other 1989 cars)
    • 0.82% fail on Anti-roll bars
      • 0.82% fail on Linkage pins and bushes
    • 0.82% fail on Component mounting prescribed areas
  • 1.6% fail on Tyres
    • 0.82% fail on Condition
    • 0.82% fail on Tread depth
  • 0.82% fail on Identification of the vehicle
    • 0.82% fail on Registration plates
  • 0.82% fail on Seat belts and supplementary restraint systems
    • 0.82% fail on Seat belts
      • 0.82% fail on Condition

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