Porsche 911 MOT Results

Registered in 2008
87.1% pass rate
from 2,028 tests in 2020
(68% better than other 2008 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 2008 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 3.9% fail on Lamps, reflectors and electrical equipment (75% better than other 2008 cars)
    • 2.2% fail on Headlamp aim (42% better than other 2008 cars)
      • 2.2% fail on Headlamp aim (37% better than other 2008 cars)
    • 1.1% fail on Stop lamp (73% better than other 2008 cars)
    • 0.30% fail on Direction indicators (85% better than other 2008 cars)
      • 0.30% fail on Flashing type (85% better than other 2008 cars)
        • 0.25% fail on Individual direction indicators (81% better than other 2008 cars)
        • 0.049% fail on Side repeaters
    • 0.30% fail on Electrical equipment
      • 0.15% fail on Horn
      • 0.099% fail on Battery(ies)
      • 0.049% fail on Electrical wiring
    • 0.25% fail on Registration plate lamp(s) (90% better than other 2008 cars)
    • 0.20% fail on Front and rear fog lamps
      • 0.20% fail on Rear fog lamp
        • 0.20% fail on Rear fog lamp
    • 0.15% fail on Headlamps (96% better than other 2008 cars)
      • 0.15% fail on Headlamp levelling device
    • 0.099% fail on Position lamps (97% better than other 2008 cars)
      • 0.099% fail on Position lamp (97% better than other 2008 cars)
    • 0.049% fail on Mandatory tell-tales
      • 0.049% fail on Rear fog lamp tell-tale
  • 3.0% fail on Tyres (58% better than other 2008 cars)
    • 1.9% fail on Condition (38% better than other 2008 cars)
    • 1.3% fail on Tread depth (69% better than other 2008 cars)
  • 2.1% fail on Body, chassis, structure (63% better than other 2008 cars)
    • 1.6% fail on Transmission (35% better than other 2008 cars)
      • 1.6% fail on Drive shafts
        • 1.6% fail on Joints
      • 0.049% fail on Prop shafts
        • 0.049% fail on Joints
    • 0.25% fail on Exhaust system (88% better than other 2008 cars)
    • 0.15% fail on Fuel system
      • 0.15% fail on Fuel cap/sealing device
    • 0.049% fail on Doors
      • 0.049% fail on Driver's door
        • 0.049% fail on Door condition
  • 1.5% fail on Suspension (90% better than other 2008 cars)
    • 0.69% fail on Shock absorbers (58% better than other 2008 cars)
    • 0.54% fail on Suspension arms (88% better than other 2008 cars)
      • 0.44% fail on Ball joint (76% better than other 2008 cars)
      • 0.099% fail on Pins and bushes (95% better than other 2008 cars)
      • 0.049% fail on Ball joint dust cover
    • 0.20% fail on Anti-roll bars (95% better than other 2008 cars)
      • 0.099% fail on Pins and bushes
      • 0.099% fail on Linkage ball joints (92% better than other 2008 cars)
      • 0.049% fail on Linkage ball joint dust cover
    • 0.049% fail on Wheel bearings
    • 0.049% fail on Springs
      • 0.049% fail on Coil springs
        • 0.049% fail on Coil spring
  • 1.4% fail on Brakes (85% better than other 2008 cars)
    • 0.59% fail on Mechanical brake components (83% better than other 2008 cars)
      • 0.49% fail on Brake discs and drums (58% better than other 2008 cars)
        • 0.49% fail on Brake discs (58% better than other 2008 cars)
      • 0.099% fail on Brake linings and pads (96% better than other 2008 cars)
        • 0.099% fail on Brake pads (96% better than other 2008 cars)
    • 0.49% fail on Rigid brake pipes (60% better than other 2008 cars)
    • 0.20% fail on Brake performance (96% better than other 2008 cars)
      • 0.099% fail on Brake performance not tested
      • 0.049% fail on Service brake performance
        • 0.049% fail on Rbt
          • 0.049% fail on Service brake performance
      • 0.049% fail on Parking brake efficiency (sp)
        • 0.049% fail on Decelerometer (sp)
    • 0.099% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.049% fail on Hydraulic brake callipers
      • 0.049% fail on Hydraulic brake cylinder
    • 0.049% fail on Parking brake control
      • 0.049% fail on Lever
    • 0.049% fail on Hydraulic systems
      • 0.049% fail on Servos
    • 0.049% fail on Flexible brake hoses
    • 0.049% fail on ABS / EBS / ESC
      • 0.049% fail on Electronic stability control
  • 1.3% fail on Noise, emissions and leaks (74% better than other 2008 cars)
    • 1.2% fail on Exhaust emissions (75% better than other 2008 cars)
      • 1.2% fail on Spark ignition (61% better than other 2008 cars)
        • 0.69% fail on Catalyst emissions (52% better than other 2008 cars)
        • 0.35% fail on Malfunction indicator lamp (78% better than other 2008 cars)
        • 0.25% fail on Emissions not tested
    • 0.25% fail on Fluid leaks
      • 0.15% fail on Other leaks
      • 0.099% fail on Engine oil leaks
  • 1.0% fail on Visibility (83% better than other 2008 cars)
    • 0.84% fail on Wipers (70% better than other 2008 cars)
    • 0.15% fail on Washers (95% better than other 2008 cars)
    • 0.049% fail on View to rear
      • 0.049% fail on Mirrors
  • 0.59% fail on Identification of the vehicle
    • 0.59% fail on Registration plates
  • 0.39% fail on Steering (83% better than other 2008 cars)
    • 0.20% fail on Steering gear
      • 0.20% fail on Steering rack
    • 0.15% fail on Steering linkage components (91% better than other 2008 cars)
      • 0.15% fail on Track rod end (91% better than other 2008 cars)
    • 0.049% fail on Power steering
      • 0.049% fail on Other components
  • 0.39% fail on Seat belts and supplementary restraint systems (69% better than other 2008 cars)
    • 0.35% fail on SRS malfunction indicator lamp
    • 0.049% fail on Seat belts
      • 0.049% fail on Condition

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