Porsche 911 MOT Results

Registered in 1997
86.3% pass rate
from 666 tests in 2020
(66% better than other 1997 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 1997 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 7.2% fail on Lamps, reflectors and electrical equipment (48% better than other 1997 cars)
    • 2.4% fail on Stop lamp (35% better than other 1997 cars)
    • 1.7% fail on Headlamps (41% better than other 1997 cars)
      • 1.5% fail on Headlamp (41% better than other 1997 cars)
      • 0.30% fail on Headlamp levelling device (29% worse than other 1997 cars)
    • 1.4% fail on Front and rear fog lamps (29% better than other 1997 cars)
      • 1.4% fail on Rear fog lamp (29% better than other 1997 cars)
        • 1.4% fail on Rear fog lamp (27% better than other 1997 cars)
        • 0.30% fail on Switch (120% worse than other 1997 cars)
    • 1.2% fail on Headlamp aim (66% better than other 1997 cars)
      • 1.2% fail on Headlamp aim (64% better than other 1997 cars)
    • 0.45% fail on Position lamps (130% worse than other 1997 cars)
      • 0.45% fail on Position lamp (160% worse than other 1997 cars)
    • 0.45% fail on Direction indicators (82% better than other 1997 cars)
      • 0.45% fail on Flashing type (82% better than other 1997 cars)
        • 0.30% fail on Individual direction indicators (81% better than other 1997 cars)
        • 0.15% fail on Side repeaters
    • 0.30% fail on Registration plate lamp(s) (80% better than other 1997 cars)
    • 0.15% fail on Mandatory tell-tales
      • 0.15% fail on Rear fog lamp tell-tale
  • 2.0% fail on Suspension (85% better than other 1997 cars)
    • 0.90% fail on Anti-roll bars (65% better than other 1997 cars)
      • 0.45% fail on Ball joint dust cover (110% worse than other 1997 cars)
      • 0.30% fail on Linkage ball joints (49% better than other 1997 cars)
      • 0.30% fail on Linkage ball joint dust cover (27% better than other 1997 cars)
    • 0.45% fail on Shock absorbers (65% better than other 1997 cars)
    • 0.30% fail on Suspension arms (92% better than other 1997 cars)
      • 0.15% fail on Ball joint
      • 0.15% fail on Ball joint dust cover
    • 0.15% fail on Wheel bearings
    • 0.15% fail on Springs
      • 0.15% fail on Coil springs
        • 0.15% fail on Coil spring
  • 2.0% fail on Noise, emissions and leaks (74% better than other 1997 cars)
    • 1.4% fail on Exhaust emissions (80% better than other 1997 cars)
      • 1.4% fail on Spark ignition (79% better than other 1997 cars)
        • 1.2% fail on Catalyst emissions (76% better than other 1997 cars)
        • 0.15% fail on Emissions not tested
    • 0.75% fail on Fluid leaks (14% worse than other 1997 cars)
      • 0.75% fail on Engine oil leaks (44% worse than other 1997 cars)
  • 1.7% fail on Tyres (58% better than other 1997 cars)
    • 1.4% fail on Tread depth (40% better than other 1997 cars)
    • 0.30% fail on Condition (83% better than other 1997 cars)
  • 1.2% fail on Brakes (90% better than other 1997 cars)
    • 0.60% fail on Brake performance (92% better than other 1997 cars)
      • 0.30% fail on Parking brake efficiency (sp) (91% better than other 1997 cars)
        • 0.30% fail on Rbt (sp) (91% better than other 1997 cars)
      • 0.15% fail on Brake performance not tested
      • 0.15% fail on Service Brake Efficiency (sp)
        • 0.15% fail on Rbt (sp)
          • 0.15% fail on Service brake performance
    • 0.45% fail on Rigid brake pipes (84% better than other 1997 cars)
    • 0.15% fail on Parking brake control
      • 0.15% fail on Lever
  • 0.75% fail on Body, chassis, structure (93% better than other 1997 cars)
    • 0.30% fail on Doors (42% better than other 1997 cars)
      • 0.30% fail on Front passenger's door (48% worse than other 1997 cars)
        • 0.30% fail on Door condition (56% worse than other 1997 cars)
    • 0.15% fail on Exhaust system
    • 0.15% fail on Transmission
      • 0.15% fail on Drive shafts
        • 0.15% fail on Joints
    • 0.15% fail on Seats
      • 0.15% fail on Driver's seat
  • 0.60% fail on Visibility (91% better than other 1997 cars)
    • 0.45% fail on Wipers (89% better than other 1997 cars)
    • 0.15% fail on Washers
  • 0.45% fail on Steering (88% better than other 1997 cars)
    • 0.30% fail on Steering linkage components (86% better than other 1997 cars)
      • 0.30% fail on Track rod end (80% better than other 1997 cars)
    • 0.15% fail on Steering gear
      • 0.15% fail on Steering rack
  • 0.15% fail on Seat belts and supplementary restraint systems
    • 0.15% fail on SRS malfunction indicator lamp

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