Porsche 928 MOT Results

Registered in 1988
76.8% pass rate
from 112 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 1988 cars and highlighted areas where the Porsche 928 is unusually good or bad.

  • 16% fail on Lamps, reflectors and electrical equipment
    • 6.3% fail on Headlamp aim
      • 6.3% fail on Headlamp aim
    • 6.3% fail on Front and rear fog lamps
      • 6.3% fail on Rear fog lamp
        • 6.3% fail on Rear fog lamp
    • 3.6% fail on Headlamps
      • 3.6% fail on Headlamp
    • 1.8% fail on Position lamps
      • 1.8% fail on Position lamp
    • 1.8% fail on Stop lamp
    • 0.89% fail on Mandatory tell-tales
      • 0.89% fail on Rear fog lamp tell-tale
    • 0.89% fail on Electrical equipment
      • 0.89% fail on Electrical wiring
  • 4.5% fail on Visibility
    • 3.6% fail on Washers
    • 0.89% fail on Wipers
  • 3.6% fail on Suspension
    • 0.89% fail on Springs
      • 0.89% fail on Coil springs
        • 0.89% fail on Coil spring
    • 0.89% fail on Anti-roll bars
      • 0.89% fail on Attachment bracket and mounting
    • 0.89% fail on Other suspension component
      • 0.89% fail on Ball joint
    • 0.89% fail on Component mounting prescribed areas
  • 3.6% fail on Noise, emissions and leaks
    • 3.6% fail on Exhaust emissions
      • 3.6% fail on Spark ignition
        • 1.8% fail on Non catalyst emissions
        • 1.8% fail on Catalyst emissions
  • 1.8% fail on Brakes (83% better than other 1988 cars)
    • 1.8% fail on Brake performance
      • 0.89% fail on Service brake performance
        • 0.89% fail on Rbt
          • 0.89% fail on Service brake performance
      • 0.89% fail on Parking brake performance
        • 0.89% fail on Rbt
          • 0.89% fail on Parking (secondary brake performance)
  • 1.8% fail on Steering
    • 0.89% fail on Steering gear
      • 0.89% fail on Steering rack
    • 0.89% fail on Power steering
      • 0.89% fail on Pipes and hoses
  • 1.8% fail on Body, chassis, structure (80% better than other 1988 cars)
    • 1.8% fail on Transmission
      • 1.8% fail on Drive shafts
        • 1.8% fail on Joints
  • 0.89% fail on Speedometer and speed limiter
    • 0.89% fail on Speedometer
  • 0.89% fail on Seat belts and supplementary restraint systems
    • 0.89% fail on Seat belts
      • 0.89% fail on Prescribed areas
  • 0.89% fail on Tyres
    • 0.89% fail on Tread depth

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