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Porsche 944 MOT Results

69.4% pass rate
from 2,432 tests in 2020
(11% 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 944 is unusually good or bad.

  • 15% fail on Lamps, reflectors and electrical equipment
    • 4.9% fail on Front and rear fog lamps (110% worse than other pre-1990 cars)
      • 4.9% fail on Rear fog lamp (110% worse than other pre-1990 cars)
        • 4.8% fail on Rear fog lamp (110% worse than other pre-1990 cars)
        • 0.45% fail on Switch
    • 4.0% fail on Headlamp aim
      • 3.7% fail on Headlamp aim
      • 0.33% fail on Headlamp aim not tested
    • 3.6% fail on Direction indicators
      • 3.6% fail on Flashing type
        • 2.0% fail on Individual direction indicators
        • 1.1% fail on Side repeaters
        • 0.58% fail on All direction indicators
    • 2.4% fail on Electrical equipment
      • 1.4% fail on Horn
      • 0.66% fail on Battery(ies)
      • 0.45% fail on Electrical wiring (190% worse than other pre-1990 cars)
    • 2.2% fail on Headlamps
      • 2.2% fail on Headlamp
    • 1.8% fail on Stop lamp
    • 1.8% fail on Position lamps
      • 1.7% fail on Position lamp
      • 0.041% fail on All position lamps
    • 1.2% fail on Registration plate lamp(s)
    • 0.74% fail on Mandatory tell-tales (92% worse than other pre-1990 cars)
      • 0.70% fail on Rear fog lamp tell-tale (140% worse than other pre-1990 cars)
      • 0.041% fail on Main beam tell-tale
    • 0.25% fail on Hazard warning
      • 0.25% fail on Switch
  • 11% fail on Brakes
    • 8.0% fail on Brake performance
      • 4.3% fail on Parking brake efficiency (sp) (46% worse than other pre-1990 cars)
        • 4.2% fail on Rbt (sp) (53% worse than other pre-1990 cars)
        • 0.16% fail on Plate brake tester (sp) (12 times worse than other pre-1990 cars)
      • 3.6% fail on Service brake performance
        • 3.6% fail on Rbt
          • 3.3% fail on Service brake performance
          • 0.58% fail on Service brake imbalance
        • 0.041% fail on Decelerometer
          • 0.041% fail on Service brake performance
      • 1.4% fail on Service Brake Efficiency (sp) (54% better than other pre-1990 cars)
        • 1.3% fail on Rbt (sp) (54% better than other pre-1990 cars)
          • 0.95% fail on Service brake performance
          • 0.53% fail on Service brake imbalance (74% better than other pre-1990 cars)
        • 0.041% fail on Plate brake tester (sp)
          • 0.041% fail on Service brake performance
      • 0.86% fail on Parking brake performance
        • 0.74% fail on Rbt
          • 0.58% fail on Parking brake performance
          • 0.16% fail on Parking (secondary brake performance)
        • 0.12% fail on Plate brake tester (3 times worse than other pre-1990 cars)
          • 0.082% fail on Parking (secondary brake performance) (5 times worse than other pre-1990 cars)
          • 0.041% fail on Parking brake performance
      • 0.37% fail on Brake performance not tested
    • 2.3% fail on Rigid brake pipes (86% worse than other pre-1990 cars)
    • 0.86% fail on Mechanical brake components
      • 0.45% fail on Brake linings and pads
        • 0.45% fail on Brake pads
      • 0.29% fail on Brake discs and drums
        • 0.29% fail on Brake discs
      • 0.12% fail on Brake cables, rods, levers and linkages
        • 0.082% fail on Cable
        • 0.041% fail on Linkage
    • 0.45% fail on Flexible brake hoses
    • 0.45% fail on ABS / EBS / ESC (2 times worse than other pre-1990 cars)
      • 0.45% fail on Anti-lock braking system (2 times worse than other pre-1990 cars)
    • 0.29% fail on Service brake pedal or hand lever
      • 0.25% fail on Pedal
      • 0.041% fail on Hand lever
    • 0.29% fail on Parking brake control
      • 0.29% fail on Lever
    • 0.29% fail on Hydraulic systems
      • 0.21% fail on Brake fluid
      • 0.041% fail on Master cylinder
      • 0.041% fail on Reservoirs
    • 0.21% fail on Other components and prescribed areas
      • 0.12% fail on Other components
      • 0.082% fail on Prescribed areas
        • 0.082% fail on Other braking system component
    • 0.082% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.041% fail on Hydraulic brake callipers
      • 0.041% fail on Hydraulic brake cylinder
  • 8.8% fail on Visibility (37% worse than other pre-1990 cars)
    • 6.5% fail on Washers (50% worse than other pre-1990 cars)
    • 2.8% fail on Wipers
    • 0.25% fail on View to rear
      • 0.25% fail on Mirrors
    • 0.16% fail on Bonnet
    • 0.082% fail on Condition of glass
      • 0.082% fail on Windscreen
    • 0.041% fail on Driver's view
  • 8.0% fail on Suspension
    • 3.2% fail on Component mounting prescribed areas
    • 2.6% fail on Suspension arms (41% worse than other pre-1990 cars)
      • 1.8% fail on Ball joint (170% worse than other pre-1990 cars)
      • 0.62% fail on Ball joint dust cover
      • 0.37% fail on Pins and bushes
      • 0.041% fail on Suspension arm
    • 1.5% fail on Anti-roll bars (140% worse than other pre-1990 cars)
      • 0.41% fail on Attachment bracket and mounting (2 times worse than other pre-1990 cars)
      • 0.37% fail on Pins and bushes (190% worse than other pre-1990 cars)
      • 0.33% fail on Linkage (3 times worse than other pre-1990 cars)
      • 0.33% fail on Linkage pins and bushes
      • 0.041% fail on Anti-roll bar
      • 0.041% fail on Ball joint
      • 0.041% fail on Linkage attachment bracket and mounting
    • 1.2% fail on Wheel bearings
    • 0.25% fail on Sub-frames
      • 0.25% fail on Sub-frame mounting prescribed areas
    • 0.21% fail on Shock absorbers (69% better than other pre-1990 cars)
    • 0.21% fail on Macpherson strut
      • 0.16% fail on Attachment bracket and mounting (3 times worse than other pre-1990 cars)
      • 0.041% fail on Macpherson strut
    • 0.21% fail on Other suspension component
      • 0.082% fail on Ball joint
      • 0.082% fail on Ball joint dust cover
      • 0.041% fail on Other suspension component
      • 0.041% fail on Attachment bracket and mounting
    • 0.041% fail on Springs
      • 0.041% fail on Coil springs
        • 0.041% fail on Coil spring
  • 5.2% fail on Body, chassis, structure (24% better than other pre-1990 cars)
    • 1.3% fail on Fuel system
      • 0.99% fail on Pipe (200% worse than other pre-1990 cars)
      • 0.21% fail on Tank
      • 0.041% fail on Hose
      • 0.041% fail on Fuel cap/sealing device
    • 1.2% fail on Integral vehicle structure
      • 1.2% fail on Integral vehicle structure condition
    • 0.90% fail on Exhaust system (54% better than other pre-1990 cars)
    • 0.70% fail on Transmission (48% better than other pre-1990 cars)
      • 0.70% fail on Drive shafts
        • 0.53% fail on Joints
        • 0.16% fail on Drive shaft (3 times worse than other pre-1990 cars)
    • 0.70% fail on Doors
      • 0.45% fail on Front passenger's door
        • 0.45% fail on Door condition
      • 0.21% fail on Driver's door
        • 0.16% fail on Door condition
        • 0.041% fail on Hinge
      • 0.041% fail on Other passenger's door
        • 0.041% fail on Door condition
    • 0.41% fail on Body
      • 0.33% fail on Other body component (200% worse than other pre-1990 cars)
      • 0.082% fail on Panel
      • 0.041% fail on Mounting fixings
    • 0.33% fail on Chassis (69% better than other pre-1990 cars)
      • 0.33% fail on Chassis condition (68% better than other pre-1990 cars)
      • 0.041% fail on Strengthening plate
    • 0.21% fail on Seats (66% better than other pre-1990 cars)
      • 0.12% fail on Driver's seat
      • 0.082% fail on Passenger's seat
    • 0.16% fail on Floor
    • 0.082% fail on Engine mounting
      • 0.082% fail on Engine mounting condition
    • 0.082% fail on Boot lid
      • 0.082% fail on Boot lid condition
    • 0.041% fail on Cabs
      • 0.041% fail on Prescribed areas
  • 4.6% fail on Noise, emissions and leaks
    • 4.0% fail on Exhaust emissions
      • 4.0% fail on Spark ignition
        • 3.0% fail on Non catalyst emissions
        • 0.62% fail on Catalyst emissions (130% worse than other pre-1990 cars)
        • 0.37% fail on Emissions not tested
      • 0.041% fail on Compression ignition
        • 0.041% fail on Pre 01/07/2008 Non turbo
    • 0.74% fail on Fluid leaks
      • 0.62% fail on Engine oil leaks
      • 0.082% fail on Other leaks
      • 0.041% fail on Transmission oil leaks
  • 2.2% fail on Steering (43% better than other pre-1990 cars)
    • 0.78% fail on Power steering (120% worse than other pre-1990 cars)
      • 0.21% fail on Operation
      • 0.21% fail on Pump (3 times worse than other pre-1990 cars)
      • 0.16% fail on Pipes and hoses
      • 0.12% fail on Other components
      • 0.082% fail on Rams
    • 0.49% fail on Steering gear (60% better than other pre-1990 cars)
      • 0.45% fail on Steering rack (56% better than other pre-1990 cars)
      • 0.041% fail on Operation
    • 0.45% fail on Steering linkage components (77% better than other pre-1990 cars)
      • 0.37% fail on Track rod end (70% better than other pre-1990 cars)
      • 0.041% fail on Ball joint
      • 0.041% fail on Steering arm
    • 0.29% fail on Steering coupling (2 times worse than other pre-1990 cars)
      • 0.25% fail on Universal joint (2 times worse than other pre-1990 cars)
      • 0.041% fail on Flexible coupling
    • 0.16% fail on Steering play
      • 0.12% fail on Steering rack
      • 0.041% fail on Steering box
    • 0.12% fail on Steering column
  • 1.7% fail on Seat belts and supplementary restraint systems
    • 1.7% fail on Seat belts
      • 1.5% fail on Prescribed areas
      • 0.12% fail on Requirements
      • 0.12% fail on Condition
  • 1.4% fail on Tyres
    • 0.66% fail on Condition
    • 0.66% fail on Tread depth
    • 0.21% fail on Size/type
  • 0.37% fail on Road Wheels
    • 0.33% fail on Attachment
    • 0.041% fail on Condition
  • 0.33% fail on Identification of the vehicle
    • 0.33% fail on Registration plates
  • 0.082% fail on Speedometer and speed limiter
    • 0.082% fail on Speedometer
  • 0.041% fail on Seat belt installation check
    • 0.041% fail on Belt(s)/padding