Porsche 928 MOT Results

Registered in 1990
76.4% pass rate
from 89 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 1990 cars and highlighted areas where the Porsche 928 is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment
    • 5.6% fail on Headlamp aim
      • 5.6% fail on Headlamp aim
    • 4.5% fail on Front and rear fog lamps
      • 4.5% fail on Rear fog lamp
        • 4.5% fail on Rear fog lamp
    • 2.2% fail on Headlamps
      • 2.2% fail on Headlamp
    • 2.2% fail on Direction indicators
      • 2.2% fail on Flashing type
        • 1.1% fail on All direction indicators
        • 1.1% fail on Individual direction indicators
    • 1.1% fail on Registration plate lamp(s)
    • 1.1% fail on Mandatory tell-tales
      • 1.1% fail on Rear fog lamp tell-tale
  • 6.7% fail on Steering
    • 4.5% fail on Steering linkage components
      • 4.5% fail on Track rod end
      • 1.1% fail on Ball joint
    • 2.2% fail on Power steering
      • 1.1% fail on Operation
      • 1.1% fail on Other components
  • 5.6% fail on Body, chassis, structure
    • 5.6% fail on Transmission
      • 4.5% fail on Drive shafts
        • 4.5% fail on Joints
      • 1.1% fail on Prop shafts
        • 1.1% fail on Joints
    • 1.1% fail on Exhaust system
  • 3.4% fail on Brakes
    • 2.2% fail on Rigid brake pipes
    • 1.1% fail on Brake performance
      • 1.1% fail on Parking brake efficiency (sp)
        • 1.1% fail on Rbt (sp)
    • 1.1% fail on ABS / EBS / ESC
      • 1.1% fail on Anti-lock braking system
  • 2.2% fail on Visibility
    • 1.1% fail on Wipers
    • 1.1% fail on Washers
  • 2.2% fail on Suspension (80% better than other 1990 cars)
    • 1.1% fail on Wheel bearings
    • 1.1% fail on Springs
      • 1.1% fail on Coil springs
        • 1.1% fail on Coil spring
  • 1.1% fail on Noise, emissions and leaks
    • 1.1% fail on Exhaust emissions
      • 1.1% fail on Spark ignition
        • 1.1% fail on Emissions not tested
  • 1.1% fail on Road Wheels
    • 1.1% fail on Attachment
  • 1.1% fail on Tyres
    • 1.1% fail on Tread depth

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