Porsche 911 MOT Results

Registered in 1980
80.0% pass rate
from 165 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 1980 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment
    • 6.7% fail on Headlamp aim
      • 6.1% fail on Headlamp aim
      • 0.61% fail on Headlamp aim not tested
    • 3.0% fail on Direction indicators
      • 3.0% fail on Flashing type
        • 3.0% fail on Individual direction indicators
    • 3.0% fail on Front and rear fog lamps
      • 3.0% fail on Rear fog lamp
        • 2.4% fail on Rear fog lamp
        • 0.61% fail on Switch
    • 2.4% fail on Headlamps
      • 2.4% fail on Headlamp
    • 2.4% fail on Electrical equipment
      • 1.8% fail on Horn
      • 0.61% fail on Electrical wiring
    • 1.8% fail on Stop lamp
    • 1.2% fail on Registration plate lamp(s)
    • 0.61% fail on Position lamps
      • 0.61% fail on Position lamp
    • 0.61% fail on Mandatory tell-tales
      • 0.61% fail on Rear fog lamp tell-tale
  • 6.7% fail on Visibility
    • 5.5% fail on Washers
    • 1.2% fail on Wipers
    • 0.61% fail on View to rear
      • 0.61% fail on Mirrors
  • 4.2% fail on Brakes
    • 2.4% fail on Brake performance
      • 1.8% fail on Service brake performance
        • 1.2% fail on Rbt
          • 1.2% fail on Service brake performance
        • 0.61% fail on Decelerometer
          • 0.61% fail on Service brake performance
      • 0.61% fail on Service Brake Efficiency (sp)
        • 0.61% fail on Rbt (sp)
          • 0.61% fail on Service brake performance
      • 0.61% fail on Parking brake efficiency (sp)
        • 0.61% fail on Rbt (sp)
    • 1.2% fail on Flexible brake hoses
    • 0.61% fail on Service brake pedal or hand lever
      • 0.61% fail on Pedal
    • 0.61% fail on Rigid brake pipes
  • 3.6% fail on Body, chassis, structure
    • 1.2% fail on Seats
      • 0.61% fail on Driver's seat
      • 0.61% fail on Passenger's seat
    • 0.61% fail on Chassis
      • 0.61% fail on Chassis condition
    • 0.61% fail on Exhaust system
    • 0.61% fail on Fuel system
      • 0.61% fail on Fuel cap/sealing device
    • 0.61% fail on Doors
      • 0.61% fail on Driver's door
        • 0.61% fail on Door condition
  • 3.6% fail on Noise, emissions and leaks
    • 3.0% fail on Exhaust emissions
      • 3.0% fail on Spark ignition
        • 1.8% fail on Non catalyst emissions
        • 1.2% fail on Catalyst emissions
    • 0.61% fail on Noise suppression
      • 0.61% fail on Sound deadening material
  • 3.0% fail on Suspension
    • 2.4% fail on Anti-roll bars (4 times worse than other 1980 cars)
      • 1.2% fail on Pins and bushes (15 times worse than other 1980 cars)
      • 1.2% fail on Linkage pins and bushes (8 times worse than other 1980 cars)
    • 0.61% fail on Suspension arms
      • 0.61% fail on Ball joint
  • 2.4% fail on Steering
    • 1.2% fail on Steering gear
      • 1.2% fail on Steering rack
    • 1.2% fail on Steering column (6 times worse than other 1980 cars)
    • 0.61% fail on Steering linkage components
      • 0.61% fail on Track rod end
  • 1.8% fail on Identification of the vehicle
    • 1.8% fail on Registration plates
  • 1.2% fail on Tyres
    • 0.61% fail on Condition
    • 0.61% fail on Tread depth
  • 0.61% fail on Seat belts and supplementary restraint systems
    • 0.61% fail on Seat belts
      • 0.61% fail on Condition

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