Porsche 911 MOT Results

Registered in 1988
80.8% pass rate
from 522 tests in 2020
(40% better than other 1988 cars)
Pass rate by mileage
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 911 is unusually good or bad.

  • 9.8% fail on Lamps, reflectors and electrical equipment (38% better than other 1988 cars)
    • 3.6% fail on Headlamp aim
      • 3.4% fail on Headlamp aim
      • 0.19% fail on Headlamp aim not tested
    • 3.6% fail on Front and rear fog lamps
      • 3.6% fail on Rear fog lamp
        • 3.6% fail on Rear fog lamp
        • 0.19% fail on Switch
    • 1.1% fail on Headlamps (64% better than other 1988 cars)
      • 0.57% fail on Headlamp (81% better than other 1988 cars)
      • 0.38% fail on Dipswitch
      • 0.19% fail on Headlamp levelling device
    • 1.1% fail on Direction indicators (67% better than other 1988 cars)
      • 1.1% fail on Flashing type (67% better than other 1988 cars)
        • 0.77% fail on Individual direction indicators
        • 0.38% fail on Side repeaters
    • 0.96% fail on Electrical equipment
      • 0.77% fail on Horn
      • 0.19% fail on Battery(ies)
    • 0.57% fail on Stop lamp (78% better than other 1988 cars)
    • 0.57% fail on Registration plate lamp(s)
    • 0.38% fail on Position lamps (80% better than other 1988 cars)
      • 0.38% fail on Position lamp (78% better than other 1988 cars)
    • 0.38% fail on Mandatory tell-tales
      • 0.38% fail on Rear fog lamp tell-tale
    • 0.19% fail on Hazard warning
      • 0.19% fail on Switch
  • 5.6% fail on Visibility
    • 5.0% fail on Washers
    • 0.77% fail on Wipers (74% better than other 1988 cars)
  • 5.0% fail on Brakes (52% better than other 1988 cars)
    • 4.2% fail on Brake performance (43% better than other 1988 cars)
      • 3.4% fail on Service brake performance
        • 3.4% fail on Rbt
          • 3.3% fail on Service brake performance
          • 0.19% fail on Service brake imbalance
      • 1.3% fail on Service Brake Efficiency (sp)
        • 1.3% fail on Rbt (sp)
          • 0.96% fail on Service brake performance
          • 0.57% fail on Service brake imbalance
      • 0.38% fail on Parking brake efficiency (sp) (88% better than other 1988 cars)
        • 0.38% fail on Rbt (sp) (86% better than other 1988 cars)
      • 0.19% fail on Brake performance not tested
    • 0.57% fail on Flexible brake hoses
    • 0.19% fail on Service brake pedal or hand lever
      • 0.19% fail on Hand lever
  • 2.7% fail on Suspension (72% better than other 1988 cars)
    • 0.96% fail on Anti-roll bars
      • 0.38% fail on Attachment bracket and mounting
      • 0.38% fail on Linkage
      • 0.19% fail on Linkage attachment bracket and mounting
    • 0.77% fail on Wheel bearings
    • 0.38% fail on Shock absorbers
    • 0.38% fail on Component mounting prescribed areas (90% better than other 1988 cars)
    • 0.19% fail on Suspension arms
      • 0.19% fail on Ball joint
    • 0.19% fail on Sub-frames
      • 0.19% fail on Attachment bracket and mounting
  • 2.5% fail on Noise, emissions and leaks (53% better than other 1988 cars)
    • 2.3% fail on Exhaust emissions (51% better than other 1988 cars)
      • 2.3% fail on Spark ignition
        • 1.5% fail on Non catalyst emissions
        • 0.38% fail on Catalyst emissions
        • 0.38% fail on Emissions not tested
    • 0.19% fail on Fluid leaks
      • 0.19% fail on Engine oil leaks
  • 1.9% fail on Body, chassis, structure (79% better than other 1988 cars)
    • 1.1% fail on Transmission
      • 1.1% fail on Drive shafts
        • 1.1% fail on Joints
    • 0.77% fail on Exhaust system (72% better than other 1988 cars)
    • 0.19% fail on Doors
      • 0.19% fail on Front passenger's door
        • 0.19% fail on Door condition
    • 0.19% fail on Seats
      • 0.19% fail on Passenger's seat
  • 1.3% fail on Steering (68% better than other 1988 cars)
    • 0.38% fail on Steering linkage components (83% better than other 1988 cars)
      • 0.19% fail on Track rod end
      • 0.19% fail on Locking devices
    • 0.38% fail on Steering wheel
    • 0.38% fail on Steering column
    • 0.19% fail on Steering gear
      • 0.19% fail on Steering rack
  • 1.1% fail on Seat belts and supplementary restraint systems
    • 1.1% fail on Seat belts
      • 0.96% fail on Prescribed areas
      • 0.19% fail on Condition
  • 0.77% fail on Tyres
    • 0.57% fail on Condition
    • 0.19% fail on Tread depth
  • 0.19% fail on Identification of the vehicle
    • 0.19% fail on Registration plates

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