Audi A4 MOT Results

Registered in 2004
57.4% pass rate
from 18,393 tests in 2020
(11% better than other 2004 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 2004 cars and highlighted areas where the Audi A4 is unusually good or bad.

  • 20% fail on Lamps, reflectors and electrical equipment
    • 5.3% fail on Headlamp aim (15% worse than other 2004 cars)
      • 4.9% fail on Headlamp aim (17% worse than other 2004 cars)
      • 0.39% fail on Headlamp aim not tested
    • 5.3% fail on Headlamps
      • 5.0% fail on Headlamp
      • 0.28% fail on Headlamp levelling device
      • 0.011% fail on Matched pair
      • 0.011% fail on Dipswitch
    • 4.8% fail on Stop lamp
    • 3.4% fail on Registration plate lamp(s) (15% worse than other 2004 cars)
    • 3.3% fail on Direction indicators (19% worse than other 2004 cars)
      • 3.3% fail on Flashing type (19% worse than other 2004 cars)
        • 3.1% fail on Individual direction indicators (77% worse than other 2004 cars)
        • 0.15% fail on All direction indicators
        • 0.076% fail on Side repeaters (92% better than other 2004 cars)
    • 2.7% fail on Position lamps (21% better than other 2004 cars)
      • 2.6% fail on Position lamp (21% better than other 2004 cars)
      • 0.049% fail on All position lamps
      • 0.011% fail on Switch
    • 1.2% fail on Front and rear fog lamps
      • 1.2% fail on Rear fog lamp
        • 1.2% fail on Rear fog lamp
        • 0.033% fail on Switch
    • 0.48% fail on Electrical equipment (49% better than other 2004 cars)
      • 0.26% fail on Battery(ies)
      • 0.18% fail on Horn (66% better than other 2004 cars)
      • 0.022% fail on Trailer electrical socket
      • 0.022% fail on Electrical wiring
    • 0.043% fail on Mandatory tell-tales
      • 0.027% fail on Rear fog lamp tell-tale
      • 0.022% fail on Main beam tell-tale
    • 0.038% fail on Rear reflectors
    • 0.011% fail on Hazard warning (91% better than other 2004 cars)
      • 0.011% fail on Switch (91% better than other 2004 cars)
  • 14% fail on Suspension (21% better than other 2004 cars)
    • 7.2% fail on Suspension arms (16% worse than other 2004 cars)
      • 3.5% fail on Pins and bushes (45% worse than other 2004 cars)
      • 3.2% fail on Ball joint (15% worse than other 2004 cars)
      • 1.1% fail on Ball joint dust cover
      • 0.12% fail on Suspension arm (65% better than other 2004 cars)
      • 0.043% fail on Attachment bracket and mounting
    • 5.0% fail on Anti-roll bars (19% better than other 2004 cars)
      • 3.2% fail on Linkage pins and bushes (5 times worse than other 2004 cars)
      • 0.75% fail on Linkage ball joints (62% better than other 2004 cars)
      • 0.63% fail on Pins and bushes (91% worse than other 2004 cars)
      • 0.43% fail on Linkage
      • 0.22% fail on Ball joint (62% better than other 2004 cars)
      • 0.060% fail on Anti-roll bar
      • 0.060% fail on Attachment bracket and mounting
      • 0.033% fail on Linkage attachment bracket and mounting
      • 0.027% fail on Linkage ball joint dust cover (98% better than other 2004 cars)
      • 0.0054% fail on Ball joint dust cover
    • 2.5% fail on Springs (35% better than other 2004 cars)
      • 2.5% fail on Coil springs (35% better than other 2004 cars)
        • 2.5% fail on Coil spring (34% better than other 2004 cars)
        • 0.0054% fail on Mounting
    • 1.3% fail on Shock absorbers
    • 0.91% fail on Wheel bearings (43% better than other 2004 cars)
    • 0.65% fail on Sub-frames (41% worse than other 2004 cars)
      • 0.51% fail on Sub-frame (140% worse than other 2004 cars)
      • 0.13% fail on Sub-frame mounting prescribed areas
      • 0.011% fail on Attachment bracket and mounting
      • 0.0054% fail on Pins and bushes
    • 0.19% fail on Component mounting prescribed areas (89% better than other 2004 cars)
    • 0.16% fail on Other suspension component (69% better than other 2004 cars)
      • 0.098% fail on Ball joint (65% better than other 2004 cars)
      • 0.033% fail on Ball joint dust cover (70% better than other 2004 cars)
      • 0.027% fail on Pins and bushes (67% better than other 2004 cars)
      • 0.0054% fail on Other suspension component
      • 0.0054% fail on Attachment bracket and mounting
    • 0.071% fail on Suspension rods
      • 0.033% fail on Pins and bushes
      • 0.016% fail on Ball joint
      • 0.016% fail on Ball joint dust cover
      • 0.0054% fail on Suspension rod
    • 0.033% fail on Macpherson strut (87% better than other 2004 cars)
      • 0.016% fail on Macpherson strut (73% better than other 2004 cars)
      • 0.011% fail on Pins and bushes (87% better than other 2004 cars)
      • 0.0054% fail on Attachment bracket and mounting
  • 10% fail on Brakes (29% better than other 2004 cars)
    • 4.7% fail on Brake performance (38% better than other 2004 cars)
      • 2.6% fail on Service brake performance
        • 2.6% fail on Rbt
          • 2.3% fail on Service brake performance
          • 0.45% fail on Service brake imbalance (32% better than other 2004 cars)
        • 0.033% fail on Plate brake tester
          • 0.033% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.022% fail on Decelerometer
          • 0.022% fail on Service brake performance
      • 1.9% fail on Parking brake efficiency (sp) (56% better than other 2004 cars)
        • 1.8% fail on Rbt (sp) (55% better than other 2004 cars)
        • 0.071% fail on Decelerometer (sp) (69% better than other 2004 cars)
      • 0.65% fail on Service Brake Efficiency (sp) (38% better than other 2004 cars)
        • 0.63% fail on Rbt (sp) (39% better than other 2004 cars)
          • 0.51% fail on Service brake imbalance (36% better than other 2004 cars)
          • 0.18% fail on Service brake performance (45% better than other 2004 cars)
        • 0.022% fail on Decelerometer (sp)
        • 0.0054% fail on Plate brake tester (sp)
          • 0.0054% fail on Service brake imbalance
      • 0.52% fail on Parking brake performance (72% better than other 2004 cars)
        • 0.51% fail on Rbt (72% better than other 2004 cars)
          • 0.44% fail on Parking brake performance (72% better than other 2004 cars)
          • 0.049% fail on Parking (secondary brake performance) (72% better than other 2004 cars)
          • 0.027% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.011% fail on Plate brake tester
          • 0.0054% fail on Parking brake performance
          • 0.0054% fail on Parking (secondary brake performance)
      • 0.20% fail on Brake performance not tested
    • 3.5% fail on ABS / EBS / ESC (160% worse than other 2004 cars)
      • 2.8% fail on Anti-lock braking system (160% worse than other 2004 cars)
      • 1.5% fail on Electronic stability control (3 times worse than other 2004 cars)
      • 0.027% fail on Electronic braking system (2 times worse than other 2004 cars)
    • 2.5% fail on Mechanical brake components (31% better than other 2004 cars)
      • 1.8% fail on Brake linings and pads (28% better than other 2004 cars)
        • 1.8% fail on Brake pads (27% better than other 2004 cars)
        • 0.0054% fail on Brake linings
      • 0.90% fail on Brake discs and drums (30% better than other 2004 cars)
        • 0.90% fail on Brake discs (29% better than other 2004 cars)
      • 0.11% fail on Brake cables, rods, levers and linkages (60% better than other 2004 cars)
        • 0.076% fail on Cable (61% better than other 2004 cars)
        • 0.027% fail on Lever
        • 0.0054% fail on Brake slack adjuster
    • 0.70% fail on Flexible brake hoses (81% worse than other 2004 cars)
    • 0.15% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.13% fail on Hydraulic brake callipers
      • 0.022% fail on Hydraulic brake cylinder (74% better than other 2004 cars)
    • 0.14% fail on Parking brake control (74% better than other 2004 cars)
      • 0.14% fail on Lever (73% better than other 2004 cars)
      • 0.0054% fail on Electronic parking brake
    • 0.14% fail on Rigid brake pipes (96% better than other 2004 cars)
    • 0.13% fail on Hydraulic systems (50% better than other 2004 cars)
      • 0.12% fail on Brake fluid
      • 0.0054% fail on Servos
    • 0.12% fail on Service brake pedal or hand lever (76% better than other 2004 cars)
      • 0.082% fail on Hand lever (73% better than other 2004 cars)
      • 0.038% fail on Pedal (81% better than other 2004 cars)
    • 0.054% fail on Air and vacuum systems
      • 0.038% fail on Servos
      • 0.011% fail on Leaks
      • 0.0054% fail on Valves
    • 0.0054% fail on Other components and prescribed areas
      • 0.0054% fail on Other components
  • 8.2% fail on Noise, emissions and leaks
    • 7.8% fail on Exhaust emissions
      • 4.1% fail on Spark ignition (32% better than other 2004 cars)
        • 3.0% fail on Malfunction indicator lamp (11% better than other 2004 cars)
        • 0.97% fail on Catalyst emissions (63% better than other 2004 cars)
        • 0.33% fail on Emissions not tested (58% better than other 2004 cars)
        • 0.065% fail on Emission control equipment
          • 0.049% fail on Catalytic converter (160% worse than other 2004 cars)
          • 0.0054% fail on Oxygen sensor
          • 0.0054% fail on NOx sensor
          • 0.0054% fail on Other emission control equipment
        • 0.027% fail on Non catalyst emissions
      • 3.8% fail on Compression ignition (130% worse than other 2004 cars)
        • 2.7% fail on Pre 01/07/2008 Turbo (200% worse than other 2004 cars)
        • 0.92% fail on Malfunction indicator lamp (96% worse than other 2004 cars)
        • 0.18% fail on Emissions not tested
        • 0.049% fail on Emission control equipment
          • 0.033% fail on Catalytic converter
          • 0.011% fail on Exhaust gas recirculation valve
          • 0.0054% fail on Particulate filter
        • 0.038% fail on Pre 01/07/2008 Non turbo (62% better than other 2004 cars)
        • 0.027% fail on On or after 01/01/2014
        • 0.022% fail on On or after 01/07/2008
        • 0.016% fail on Pre 01/01/1980 visual (6 times worse than other 2004 cars)
    • 0.48% fail on Fluid leaks
      • 0.42% fail on Engine oil leaks
      • 0.033% fail on Other leaks
      • 0.027% fail on Hydraulic fluid leaks
      • 0.022% fail on Transmission oil leaks
    • 0.12% fail on Noise suppression (2 times worse than other 2004 cars)
      • 0.12% fail on Undertray (3 times worse than other 2004 cars)
  • 7.6% fail on Tyres
    • 4.6% fail on Tread depth
    • 3.2% fail on Condition
    • 0.35% fail on Size/type
  • 5.6% fail on Body, chassis, structure (38% better than other 2004 cars)
    • 3.2% fail on Transmission (14% better than other 2004 cars)
      • 3.0% fail on Drive shafts (13% better than other 2004 cars)
        • 3.0% fail on Joints (13% better than other 2004 cars)
        • 0.016% fail on Drive shaft
        • 0.011% fail on Flexible couplings
      • 0.15% fail on Prop shafts
        • 0.13% fail on Joints
        • 0.011% fail on Prop shaft
        • 0.0054% fail on Flexible couplings
    • 1.1% fail on Exhaust system (69% better than other 2004 cars)
    • 0.45% fail on Body (54% worse than other 2004 cars)
      • 0.27% fail on Panel (120% worse than other 2004 cars)
      • 0.16% fail on Other body component
      • 0.011% fail on Body condition
    • 0.31% fail on Undertray (3 times worse than other 2004 cars)
    • 0.24% fail on Fuel system (55% better than other 2004 cars)
      • 0.082% fail on Fuel cap/sealing device (65% better than other 2004 cars)
      • 0.065% fail on System
      • 0.049% fail on Pipe
      • 0.033% fail on Tank (76% better than other 2004 cars)
      • 0.016% fail on Hose
    • 0.21% fail on Seats
      • 0.13% fail on Passenger's seat
      • 0.082% fail on Driver's seat
    • 0.18% fail on Doors (62% better than other 2004 cars)
      • 0.065% fail on Driver's door
        • 0.054% fail on Door condition
        • 0.011% fail on Hinge
      • 0.060% fail on Other passenger's door (75% better than other 2004 cars)
        • 0.060% fail on Door condition (75% better than other 2004 cars)
      • 0.054% fail on Front passenger's door (60% better than other 2004 cars)
        • 0.043% fail on Door condition (67% better than other 2004 cars)
        • 0.0054% fail on Hinge
        • 0.0054% fail on Catch
    • 0.11% fail on Boot lid (140% worse than other 2004 cars)
      • 0.087% fail on Boot lid condition (130% worse than other 2004 cars)
      • 0.022% fail on Other boot lid component
    • 0.092% fail on Integral vehicle structure (82% better than other 2004 cars)
      • 0.049% fail on Integral vehicle structure condition (90% better than other 2004 cars)
      • 0.043% fail on Sub-frame
        • 0.043% fail on Sub-frame condition
    • 0.060% fail on Engine mounting
      • 0.060% fail on Engine mounting condition
    • 0.049% fail on Bumpers (78% better than other 2004 cars)
    • 0.022% fail on Chassis (94% better than other 2004 cars)
      • 0.016% fail on Chassis condition (96% better than other 2004 cars)
      • 0.0054% fail on Strengthening plate
    • 0.011% fail on Towbar
      • 0.0054% fail on Towbar condition
      • 0.0054% fail on Other towbar components
    • 0.0054% fail on Load security
      • 0.0054% fail on Access panel
  • 4.8% fail on Visibility (41% better than other 2004 cars)
    • 2.2% fail on Washers (40% better than other 2004 cars)
    • 2.1% fail on Wipers (48% better than other 2004 cars)
    • 0.34% fail on Condition of glass (82% worse than other 2004 cars)
      • 0.34% fail on Windscreen (87% worse than other 2004 cars)
    • 0.21% fail on Bonnet
    • 0.16% fail on Driver's view
    • 0.11% fail on View to rear (64% better than other 2004 cars)
      • 0.11% fail on Mirrors (63% better than other 2004 cars)
  • 4.8% fail on Seat belts and supplementary restraint systems (52% worse than other 2004 cars)
    • 4.1% fail on SRS malfunction indicator lamp (160% worse than other 2004 cars)
    • 0.54% fail on Seat belts (65% better than other 2004 cars)
      • 0.42% fail on Condition (27% better than other 2004 cars)
      • 0.082% fail on Requirements
      • 0.022% fail on Prescribed areas (98% better than other 2004 cars)
      • 0.016% fail on Attachment
      • 0.0054% fail on Pre-tensioners
    • 0.18% fail on Airbags (190% worse than other 2004 cars)
      • 0.15% fail on Drivers airbag (160% worse than other 2004 cars)
      • 0.033% fail on Passengers airbag (5 times worse than other 2004 cars)
  • 2.4% fail on Steering (52% better than other 2004 cars)
    • 1.9% fail on Steering linkage components (48% better than other 2004 cars)
      • 1.8% fail on Track rod end (48% better than other 2004 cars)
      • 0.071% fail on Ball joint (65% better than other 2004 cars)
      • 0.033% fail on Locking devices
      • 0.027% fail on Drag link end (69% better than other 2004 cars)
      • 0.011% fail on Steering arm
      • 0.011% fail on Other components
        • 0.0054% fail on Steering component
        • 0.0054% fail on Steering linkage
    • 0.29% fail on Steering gear (62% better than other 2004 cars)
      • 0.29% fail on Steering rack (61% better than other 2004 cars)
      • 0.0054% fail on Operation
    • 0.15% fail on Power steering (53% better than other 2004 cars)
      • 0.087% fail on Operation
      • 0.033% fail on Pipes and hoses (64% better than other 2004 cars)
      • 0.033% fail on Other components (72% better than other 2004 cars)
      • 0.016% fail on Rams
    • 0.033% fail on Steering play (79% better than other 2004 cars)
      • 0.033% fail on Steering rack (78% better than other 2004 cars)
    • 0.011% fail on Steering column
    • 0.011% fail on Electronic power steering (83% better than other 2004 cars)
    • 0.0054% fail on Steering wheel
  • 0.85% fail on Identification of the vehicle
    • 0.85% fail on Registration plates
  • 0.73% fail on Road Wheels (56% worse than other 2004 cars)
    • 0.69% fail on Attachment (95% worse than other 2004 cars)
    • 0.049% fail on Condition (59% better than other 2004 cars)
  • 0.016% fail on Seat belt installation check
    • 0.016% fail on Belt(s)/padding

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