MOT Results

Honest John Good Garage Guide MOT Results » Porsche » 911 » 1998

Porsche 911 MOT Results

Registered in 1998
79.6% pass rate
from 1,192 tests in 2021
(48% better than other 1998 cars)
Pass rate by mileage
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 1998 cars and highlighted areas where the Porsche 911 is unusually good or bad.

  • 8.1% fail on Lamps, reflectors and electrical equipment (38% better than other 1998 cars)
    • 2.4% fail on Headlamp aim
      • 2.3% fail on Headlamp aim
      • 0.17% fail on Headlamp aim not tested
    • 1.8% fail on Headlamps
      • 1.4% fail on Headlamp (47% better than other 1998 cars)
      • 0.42% fail on Headlamp levelling device
    • 1.4% fail on Stop lamp (59% better than other 1998 cars)
    • 1.2% fail on Front and rear fog lamps
      • 1.2% fail on Rear fog lamp
        • 1.2% fail on Rear fog lamp
    • 1.2% fail on Electrical equipment
      • 1.1% fail on Horn (130% worse than other 1998 cars)
      • 0.084% fail on Battery(ies)
    • 1.1% fail on Direction indicators (53% better than other 1998 cars)
      • 1.1% fail on Flashing type (53% better than other 1998 cars)
        • 0.67% fail on Individual direction indicators
        • 0.42% fail on Side repeaters
    • 0.92% fail on Registration plate lamp(s)
    • 0.34% fail on Mandatory tell-tales
      • 0.25% fail on Rear fog lamp tell-tale
      • 0.17% fail on Main beam tell-tale
  • 6.3% fail on Brakes (47% better than other 1998 cars)
    • 4.3% fail on Brake performance (42% better than other 1998 cars)
      • 3.0% fail on Parking brake efficiency (sp)
        • 2.9% fail on Rbt (sp)
        • 0.17% fail on Decelerometer (sp)
      • 1.2% fail on Service Brake Efficiency (sp) (58% better than other 1998 cars)
        • 1.2% fail on Rbt (sp) (57% better than other 1998 cars)
          • 1.2% fail on Service brake performance
          • 0.084% fail on Service brake imbalance
      • 0.67% fail on Parking brake performance
        • 0.67% fail on Rbt
          • 0.59% fail on Parking brake performance
          • 0.084% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.34% fail on Service brake performance (88% better than other 1998 cars)
        • 0.34% fail on Rbt (87% better than other 1998 cars)
          • 0.34% fail on Service brake performance (85% better than other 1998 cars)
      • 0.25% fail on Brake performance not tested
    • 2.3% fail on Rigid brake pipes
    • 0.67% fail on Mechanical brake components (62% better than other 1998 cars)
      • 0.50% fail on Brake discs and drums
        • 0.50% fail on Brake discs
      • 0.084% fail on Brake linings and pads
        • 0.084% fail on Brake pads
      • 0.084% fail on Brake cables, rods, levers and linkages
        • 0.084% fail on Cable
    • 0.34% fail on ABS / EBS / ESC (74% better than other 1998 cars)
      • 0.34% fail on Anti-lock braking system (73% better than other 1998 cars)
    • 0.084% fail on Service brake pedal or hand lever
      • 0.084% fail on Pedal
    • 0.084% fail on Parking brake control
      • 0.084% fail on Lever
  • 4.2% fail on Noise, emissions and leaks (47% better than other 1998 cars)
    • 3.9% fail on Exhaust emissions (47% better than other 1998 cars)
      • 3.9% fail on Spark ignition (43% better than other 1998 cars)
        • 3.0% fail on Catalyst emissions (46% better than other 1998 cars)
        • 0.92% fail on Emissions not tested
        • 0.084% fail on Non catalyst emissions
        • 0.084% fail on Malfunction indicator lamp
      • 0.084% fail on Compression ignition
        • 0.084% fail on On or after 01/07/2008
    • 0.25% fail on Fluid leaks
      • 0.17% fail on Engine oil leaks
      • 0.084% fail on Transmission oil leaks
  • 3.4% fail on Suspension (74% better than other 1998 cars)
    • 1.4% fail on Anti-roll bars
      • 0.59% fail on Linkage ball joint dust cover
      • 0.34% fail on Linkage ball joints
      • 0.34% fail on Ball joint dust cover
      • 0.084% fail on Anti-roll bar
      • 0.084% fail on Pins and bushes
    • 0.67% fail on Suspension arms (82% better than other 1998 cars)
      • 0.59% fail on Ball joint (62% better than other 1998 cars)
      • 0.084% fail on Pins and bushes
      • 0.084% fail on Ball joint dust cover
    • 0.59% fail on Component mounting prescribed areas (87% better than other 1998 cars)
    • 0.50% fail on Springs (75% better than other 1998 cars)
      • 0.50% fail on Coil springs (73% better than other 1998 cars)
        • 0.50% fail on Coil spring (72% better than other 1998 cars)
    • 0.34% fail on Shock absorbers
    • 0.084% fail on Macpherson strut
      • 0.084% fail on Pins and bushes
  • 2.7% fail on Visibility (60% better than other 1998 cars)
    • 1.5% fail on Wipers (60% better than other 1998 cars)
    • 1.3% fail on Washers (55% better than other 1998 cars)
    • 0.17% fail on Bonnet
  • 2.6% fail on Tyres
    • 1.7% fail on Tread depth
    • 1.0% fail on Condition
  • 1.9% fail on Body, chassis, structure (80% better than other 1998 cars)
    • 1.1% fail on Exhaust system (64% better than other 1998 cars)
    • 0.25% fail on Transmission (91% better than other 1998 cars)
      • 0.25% fail on Drive shafts (91% better than other 1998 cars)
        • 0.25% fail on Joints (91% better than other 1998 cars)
    • 0.25% fail on Doors
      • 0.17% fail on Front passenger's door
        • 0.17% fail on Door condition
      • 0.084% fail on Driver's door
        • 0.084% fail on Door condition
    • 0.17% fail on Integral vehicle structure (90% better than other 1998 cars)
      • 0.17% fail on Integral vehicle structure condition (90% better than other 1998 cars)
    • 0.17% fail on Seats
      • 0.17% fail on Driver's seat
    • 0.084% fail on Fuel system
      • 0.084% fail on Fuel cap/sealing device
  • 0.92% fail on Steering (74% better than other 1998 cars)
    • 0.42% fail on Steering linkage components (79% better than other 1998 cars)
      • 0.42% fail on Track rod end (71% better than other 1998 cars)
    • 0.25% fail on Steering gear (77% better than other 1998 cars)
      • 0.25% fail on Steering rack (75% better than other 1998 cars)
    • 0.17% fail on Power steering
      • 0.084% fail on Operation
      • 0.084% fail on Pipes and hoses
    • 0.084% fail on Steering wheel
  • 0.67% fail on Seat belts and supplementary restraint systems (83% better than other 1998 cars)
    • 0.42% fail on SRS malfunction indicator lamp
    • 0.25% fail on Seat belts (91% better than other 1998 cars)
      • 0.17% fail on Prescribed areas (93% better than other 1998 cars)
      • 0.084% fail on Condition
  • 0.59% fail on Identification of the vehicle
    • 0.59% fail on Registration plates
  • 0.34% fail on Road Wheels
    • 0.17% fail on Condition
    • 0.17% fail on Attachment

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