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Porsche 924 MOT Results

64.4% pass rate
from 965 tests in 2020
(29% worse than other pre-1990 cars)
Number of tests by age
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 pre-1990 cars and highlighted areas where the Porsche 924 is unusually good or bad.

  • 16% fail on Lamps, reflectors and electrical equipment
    • 5.1% fail on Electrical equipment (120% worse than other pre-1990 cars)
      • 3.0% fail on Horn (92% worse than other pre-1990 cars)
      • 2.3% fail on Battery(ies) (2 times worse than other pre-1990 cars)
      • 0.31% fail on Electrical wiring
    • 4.5% fail on Headlamp aim
      • 4.5% fail on Headlamp aim
    • 3.3% fail on Headlamps
      • 3.2% fail on Headlamp
      • 0.10% fail on Headlamp levelling device
    • 3.0% fail on Front and rear fog lamps
      • 3.0% fail on Rear fog lamp
        • 3.0% fail on Rear fog lamp
        • 0.10% fail on Switch
    • 2.4% fail on Stop lamp
    • 2.2% fail on Direction indicators
      • 2.2% fail on Flashing type
        • 1.0% fail on Individual direction indicators
        • 0.93% fail on Side repeaters
        • 0.31% fail on All direction indicators
    • 1.9% fail on Position lamps
      • 1.8% fail on Position lamp
      • 0.10% fail on All position lamps
    • 1.2% fail on Registration plate lamp(s)
    • 0.31% fail on Mandatory tell-tales
      • 0.21% fail on Main beam tell-tale
      • 0.10% fail on Rear fog lamp tell-tale
  • 13% fail on Brakes (40% worse than other pre-1990 cars)
    • 11% fail on Brake performance (55% worse than other pre-1990 cars)
      • 7.7% fail on Service brake performance (130% worse than other pre-1990 cars)
        • 7.7% fail on Rbt (140% worse than other pre-1990 cars)
          • 6.6% fail on Service brake performance (150% worse than other pre-1990 cars)
          • 1.6% fail on Service brake imbalance
      • 2.8% fail on Parking brake efficiency (sp)
        • 2.8% fail on Rbt (sp)
      • 2.1% fail on Service Brake Efficiency (sp)
        • 2.1% fail on Rbt (sp)
          • 1.7% fail on Service brake imbalance
          • 0.41% fail on Service brake performance
      • 1.7% fail on Parking brake performance
        • 1.7% fail on Rbt
          • 1.2% fail on Parking brake performance
          • 0.31% fail on Parking (secondary brake performance)
          • 0.10% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.73% fail on Brake performance not tested
    • 2.6% fail on Rigid brake pipes (110% worse than other pre-1990 cars)
    • 1.1% fail on Mechanical brake components
      • 0.62% fail on Brake linings and pads
        • 0.52% fail on Brake pads
        • 0.10% fail on Brake linings
      • 0.41% fail on Brake discs and drums
        • 0.41% fail on Brake discs
      • 0.21% fail on Brake cables, rods, levers and linkages
        • 0.21% fail on Cable
    • 1.0% fail on Parking brake control (180% worse than other pre-1990 cars)
      • 1.0% fail on Lever (180% worse than other pre-1990 cars)
    • 0.83% fail on Flexible brake hoses
    • 0.41% fail on Hydraulic systems
      • 0.21% fail on Master cylinder
      • 0.10% fail on Brake fluid
      • 0.10% fail on Valves
    • 0.21% fail on Service brake pedal or hand lever
      • 0.21% fail on Pedal
    • 0.10% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.10% fail on Hydraulic brake callipers
  • 12% fail on Visibility (91% worse than other pre-1990 cars)
    • 11% fail on Washers (150% worse than other pre-1990 cars)
    • 2.2% fail on Wipers
    • 0.62% fail on View to rear (2 times worse than other pre-1990 cars)
      • 0.62% fail on Mirrors (2 times worse than other pre-1990 cars)
    • 0.10% fail on Condition of glass
      • 0.10% fail on Windscreen
  • 7.4% fail on Body, chassis, structure
    • 2.4% fail on Exhaust system
    • 2.1% fail on Fuel system (120% worse than other pre-1990 cars)
      • 1.2% fail on Pipe (2 times worse than other pre-1990 cars)
      • 0.41% fail on Hose
      • 0.21% fail on Tank
      • 0.21% fail on System
      • 0.10% fail on Fuel cap/sealing device
    • 1.1% fail on Integral vehicle structure
      • 1.1% fail on Integral vehicle structure condition
    • 0.62% fail on Chassis
      • 0.62% fail on Chassis condition
      • 0.10% fail on Strengthening plate
    • 0.62% fail on Transmission
      • 0.62% fail on Drive shafts
        • 0.52% fail on Joints
        • 0.10% fail on Drive shaft
    • 0.52% fail on Seats
      • 0.31% fail on Passenger's seat
      • 0.21% fail on Driver's seat
    • 0.41% fail on Doors
      • 0.21% fail on Driver's door
        • 0.21% fail on Door condition
      • 0.21% fail on Front passenger's door
        • 0.21% fail on Door condition
    • 0.21% fail on Body
      • 0.10% fail on Body condition
      • 0.10% fail on Other body component
    • 0.21% fail on Floor
    • 0.10% fail on Boot lid
      • 0.10% fail on Boot lid condition
  • 6.5% fail on Suspension
    • 2.2% fail on Component mounting prescribed areas
    • 1.9% fail on Wheel bearings
    • 0.93% fail on Anti-roll bars
      • 0.31% fail on Anti-roll bar (10 times worse than other pre-1990 cars)
      • 0.21% fail on Attachment bracket and mounting
      • 0.21% fail on Pins and bushes
      • 0.10% fail on Linkage
      • 0.10% fail on Linkage pins and bushes
    • 0.62% fail on Suspension arms (67% better than other pre-1990 cars)
      • 0.31% fail on Ball joint
      • 0.21% fail on Pins and bushes
      • 0.10% fail on Suspension arm
    • 0.52% fail on Springs
      • 0.52% fail on Coil springs
        • 0.41% fail on Coil spring
        • 0.10% fail on Mounting
    • 0.52% fail on Shock absorbers
    • 0.21% fail on Macpherson strut
      • 0.21% fail on Macpherson strut
    • 0.21% fail on Sub-frames
      • 0.10% fail on Attachment bracket and mounting
      • 0.10% fail on Sub-frame mounting prescribed areas
    • 0.10% fail on Axles
      • 0.10% fail on Axle
  • 6.5% fail on Noise, emissions and leaks (54% worse than other pre-1990 cars)
    • 6.0% fail on Exhaust emissions (64% worse than other pre-1990 cars)
      • 6.0% fail on Spark ignition (79% worse than other pre-1990 cars)
        • 4.7% fail on Non catalyst emissions (70% worse than other pre-1990 cars)
        • 0.83% fail on Emissions not tested
        • 0.52% fail on Catalyst emissions
    • 0.73% fail on Fluid leaks
      • 0.31% fail on Engine oil leaks
      • 0.31% fail on Other leaks
      • 0.10% fail on Hydraulic fluid leaks
  • 3.4% fail on Steering
    • 1.3% fail on Steering linkage components
      • 1.0% fail on Track rod end
      • 0.31% fail on Ball joint
    • 1.2% fail on Steering gear
      • 1.2% fail on Steering rack
    • 0.52% fail on Power steering
      • 0.21% fail on Operation
      • 0.21% fail on Pipes and hoses
      • 0.10% fail on Other components
    • 0.21% fail on Steering wheel
    • 0.21% fail on Steering coupling
      • 0.21% fail on Universal joint
    • 0.10% fail on Steering column
    • 0.10% fail on Steering play
      • 0.10% fail on Steering rack
  • 1.7% fail on Seat belts and supplementary restraint systems
    • 1.7% fail on Seat belts
      • 1.2% fail on Prescribed areas
      • 0.31% fail on Condition
      • 0.21% fail on Requirements
  • 0.52% fail on Identification of the vehicle
    • 0.52% fail on Registration plates
  • 0.52% fail on Tyres (67% better than other pre-1990 cars)
    • 0.31% fail on Condition
    • 0.21% fail on Tread depth
  • 0.41% fail on Road Wheels
    • 0.31% fail on Attachment
    • 0.10% fail on Condition
  • 0.21% fail on Speedometer and speed limiter
    • 0.21% fail on Speedometer