MOT Results

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Porsche 924 MOT Results

67.5% pass rate
from 791 tests in 2021
(23% worse than other pre-1990 cars)
Number of tests by age
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 pre-1990 cars and highlighted areas where the Porsche 924 is unusually good or bad.

  • 15% fail on Lamps, reflectors and electrical equipment
    • 5.9% fail on Headlamp aim (66% worse than other pre-1990 cars)
      • 5.8% fail on Headlamp aim (75% worse than other pre-1990 cars)
      • 0.13% fail on Headlamp aim not tested
    • 3.7% fail on Headlamps
      • 3.3% fail on Headlamp
      • 0.38% fail on Dipswitch
      • 0.25% fail on Headlamp levelling device
    • 3.4% fail on Front and rear fog lamps
      • 3.4% fail on Rear fog lamp
        • 3.4% fail on Rear fog lamp
    • 3.2% fail on Electrical equipment (74% worse than other pre-1990 cars)
      • 2.0% fail on Horn
      • 1.0% fail on Battery(ies)
      • 0.13% fail on Electrical wiring
    • 2.9% fail on Direction indicators
      • 2.9% fail on Flashing type
        • 1.1% fail on Individual direction indicators
        • 1.0% fail on Side repeaters
        • 0.76% fail on All direction indicators
        • 0.13% fail on Switch
    • 1.6% fail on Stop lamp
    • 1.0% fail on Registration plate lamp(s)
    • 0.51% fail on Mandatory tell-tales
      • 0.51% fail on Rear fog lamp tell-tale
    • 0.13% fail on Position lamps
      • 0.13% fail on Position lamp
  • 13% fail on Visibility (110% worse than other pre-1990 cars)
    • 11% fail on Washers (160% worse than other pre-1990 cars)
    • 2.8% fail on Wipers
    • 0.38% fail on View to rear
      • 0.38% fail on Mirrors
    • 0.25% fail on Bonnet
    • 0.13% fail on Driver's view
  • 13% fail on Brakes (47% worse than other pre-1990 cars)
    • 10% fail on Brake performance (53% worse than other pre-1990 cars)
      • 5.6% fail on Service brake performance (84% worse than other pre-1990 cars)
        • 5.6% fail on Rbt (89% worse than other pre-1990 cars)
          • 4.9% fail on Service brake performance (100% worse than other pre-1990 cars)
          • 0.88% fail on Service brake imbalance
      • 4.3% fail on Parking brake efficiency (sp) (58% worse than other pre-1990 cars)
        • 4.3% fail on Rbt (sp) (71% worse than other pre-1990 cars)
      • 3.3% fail on Service Brake Efficiency (sp)
        • 3.3% fail on Rbt (sp)
          • 1.9% fail on Service brake imbalance
          • 1.6% fail on Service brake performance
      • 1.8% fail on Parking brake performance
        • 1.8% fail on Rbt
          • 1.3% fail on Parking brake performance
          • 0.38% fail on Parking (secondary brake performance)
          • 0.13% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.13% fail on Plate brake tester
          • 0.13% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.76% fail on Brake performance not tested
    • 2.9% fail on Rigid brake pipes (160% worse than other pre-1990 cars)
    • 0.88% fail on Service brake pedal or hand lever
      • 0.51% fail on Hand lever
      • 0.38% fail on Pedal
    • 0.76% fail on Flexible brake hoses
    • 0.51% fail on Mechanical brake components
      • 0.38% fail on Brake discs and drums
        • 0.38% fail on Brake discs
      • 0.13% fail on Brake linings and pads
        • 0.13% fail on Brake pads
    • 0.25% fail on Hydraulic systems
      • 0.13% fail on Reservoirs
      • 0.13% fail on Brake fluid
    • 0.13% fail on Air and vacuum systems
      • 0.13% fail on Servos
    • 0.13% fail on Parking brake control
      • 0.13% fail on Lever
  • 7.3% fail on Noise, emissions and leaks (67% worse than other pre-1990 cars)
    • 6.8% fail on Exhaust emissions (73% worse than other pre-1990 cars)
      • 6.8% fail on Spark ignition (85% worse than other pre-1990 cars)
        • 5.1% fail on Non catalyst emissions (67% worse than other pre-1990 cars)
        • 1.3% fail on Emissions not tested (2 times worse than other pre-1990 cars)
        • 0.63% fail on Catalyst emissions
    • 0.63% fail on Fluid leaks
      • 0.38% fail on Hydraulic fluid leaks (8 times worse than other pre-1990 cars)
      • 0.13% fail on Engine oil leaks
      • 0.13% fail on Other leaks
  • 6.4% fail on Suspension
    • 3.0% fail on Component mounting prescribed areas
    • 1.5% fail on Wheel bearings
    • 0.63% fail on Suspension arms (65% better than other pre-1990 cars)
      • 0.38% fail on Ball joint
      • 0.25% fail on Suspension arm
    • 0.51% fail on Shock absorbers
    • 0.51% fail on Anti-roll bars
      • 0.38% fail on Attachment bracket and mounting
      • 0.13% fail on Anti-roll bar
    • 0.38% fail on Springs
      • 0.38% fail on Coil springs
        • 0.38% fail on Coil spring
    • 0.25% fail on Sub-frames
      • 0.25% fail on Sub-frame mounting prescribed areas
    • 0.13% fail on Macpherson strut
      • 0.13% fail on Attachment bracket and mounting
    • 0.13% fail on Other suspension component
      • 0.13% fail on Other suspension component
  • 5.8% fail on Body, chassis, structure
    • 1.6% fail on Fuel system
      • 0.88% fail on Pipe (190% worse than other pre-1990 cars)
      • 0.38% fail on Hose
      • 0.25% fail on Tank
      • 0.13% fail on Fuel cap/sealing device
    • 1.1% fail on Integral vehicle structure
      • 1.1% fail on Integral vehicle structure condition
    • 1.1% fail on Seats
      • 0.88% fail on Passenger's seat (2 times worse than other pre-1990 cars)
      • 0.51% fail on Driver's seat
    • 0.76% fail on Exhaust system
    • 0.63% fail on Doors
      • 0.38% fail on Driver's door
        • 0.38% fail on Door condition
      • 0.13% fail on Front passenger's door
        • 0.13% fail on Door condition
      • 0.13% fail on Other passenger's door
        • 0.13% fail on Door condition
    • 0.51% fail on Chassis
      • 0.51% fail on Chassis condition
    • 0.51% fail on Transmission
      • 0.38% fail on Drive shafts
        • 0.25% fail on Joints
        • 0.13% fail on Drive shaft
      • 0.13% fail on Prop shafts
        • 0.13% fail on Joints
    • 0.25% fail on Body
      • 0.13% fail on Mounting fixings
      • 0.13% fail on Panel
  • 2.7% fail on Steering
    • 0.88% fail on Steering linkage components
      • 0.88% fail on Track rod end
    • 0.63% fail on Steering gear
      • 0.38% fail on Operation (6 times worse than other pre-1990 cars)
      • 0.25% fail on Steering rack
    • 0.63% fail on Power steering
      • 0.38% fail on Operation
      • 0.25% fail on Pipes and hoses
      • 0.13% fail on Other components
    • 0.25% fail on Steering column
    • 0.13% fail on Prescribed areas
    • 0.13% fail on Steering wheel
    • 0.13% fail on Steering coupling
      • 0.13% fail on Universal joint
  • 1.9% fail on Seat belts and supplementary restraint systems
    • 1.9% fail on Seat belts
      • 1.5% fail on Prescribed areas
      • 0.25% fail on Requirements
      • 0.13% fail on Attachment
      • 0.13% fail on Condition
  • 1.0% fail on Tyres
    • 0.76% fail on Condition
    • 0.13% fail on Size/type
    • 0.13% fail on Tread depth
  • 0.38% fail on Road Wheels
    • 0.38% fail on Attachment
  • 0.25% fail on Identification of the vehicle
    • 0.25% fail on Registration plates
  • 0.13% fail on Speedometer and speed limiter
    • 0.13% fail on Speedometer