MOT Results

Honest John Good Garage Guide MOT Results » Porsche » 911 » 1991

Porsche 911 MOT Results

Registered in 1991
84.4% pass rate
from 237 tests in 2021
(53% better than other 1991 cars)
More MoT Results
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 1991 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 11% fail on Lamps, reflectors and electrical equipment
    • 5.5% fail on Headlamp aim
      • 5.5% fail on Headlamp aim
    • 2.5% fail on Front and rear fog lamps
      • 2.5% fail on Rear fog lamp
        • 2.5% fail on Rear fog lamp
    • 2.1% fail on Registration plate lamp(s)
    • 1.3% fail on Direction indicators
      • 1.3% fail on Flashing type
        • 0.42% fail on All direction indicators
        • 0.42% fail on Individual direction indicators
        • 0.42% fail on Side repeaters
    • 1.3% fail on Electrical equipment
      • 1.3% fail on Horn
      • 0.42% fail on Battery(ies)
    • 0.84% fail on Stop lamp
    • 0.84% fail on Mandatory tell-tales
      • 0.42% fail on Main beam tell-tale
      • 0.42% fail on Rear fog lamp tell-tale
    • 0.42% fail on Headlamps
      • 0.42% fail on Headlamp
  • 3.4% fail on Visibility
    • 2.5% fail on Washers
    • 1.3% fail on Wipers
  • 3.0% fail on Brakes (73% better than other 1991 cars)
    • 2.5% fail on Brake performance (68% better than other 1991 cars)
      • 1.7% fail on Parking brake efficiency (sp)
        • 1.7% fail on Rbt (sp)
      • 0.84% fail on Parking brake performance
        • 0.84% fail on Rbt
          • 0.84% fail on Parking brake performance
      • 0.42% fail on Service brake performance
        • 0.42% fail on Rbt
          • 0.42% fail on Service brake imbalance
      • 0.42% fail on Brake performance not tested
    • 0.42% fail on ABS / EBS / ESC
      • 0.42% fail on Anti-lock braking system
  • 2.5% fail on Body, chassis, structure (71% better than other 1991 cars)
    • 1.7% fail on Transmission
      • 1.7% fail on Drive shafts
        • 1.7% fail on Joints
    • 0.84% fail on Seats
      • 0.42% fail on Driver's seat
      • 0.42% fail on Passenger's seat
    • 0.42% fail on Doors
      • 0.42% fail on Driver's door
        • 0.42% fail on Door condition
  • 1.7% fail on Suspension (83% better than other 1991 cars)
    • 1.3% fail on Anti-roll bars
      • 0.42% fail on Pins and bushes
      • 0.42% fail on Ball joint dust cover
      • 0.42% fail on Linkage ball joint dust cover
    • 0.42% fail on Shock absorbers
  • 1.3% fail on Identification of the vehicle
    • 1.3% fail on Registration plates
  • 1.3% fail on Noise, emissions and leaks (73% better than other 1991 cars)
    • 0.84% fail on Exhaust emissions (79% better than other 1991 cars)
      • 0.84% fail on Spark ignition
        • 0.84% fail on Non catalyst emissions
    • 0.42% fail on Fluid leaks
      • 0.42% fail on Engine oil leaks
  • 0.84% fail on Steering (79% better than other 1991 cars)
    • 0.42% fail on Steering linkage components
      • 0.42% fail on Track rod end
    • 0.42% fail on Steering play
      • 0.42% fail on Steering rack
  • 0.84% fail on Tyres
    • 0.84% fail on Condition
  • 0.42% fail on Seat belts and supplementary restraint systems
    • 0.42% fail on Seat belts
      • 0.42% fail on Condition

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