At a Glance
The Audi A3 has 4 identified common problems across 4 generations, with the 8P (2003-2013) being the most affected generation and tyres & wheels the most common problem category. Based on 5.4M MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Audi A3 common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Audi A3 generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
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Browse Audi A3 Generations
Select a generation to see its specific problems, MOT failures and advisories
8L
Most common MOT failure: Stop lamp not working
8P
Top issue: Linkage ball joint dust cover split
8V
Most common MOT failure: Tyre condition
8Y
Most common MOT failure: Tyre condition
Most Common Audi A3 MOT Failures
Every reason Audi A3 vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Tyre tread depth below limit | 10.15% |
| 2 | Tyre condition | 9.09% |
| 3 | Driveshaft fault | 6.43% |
| 4 | Suspension joint or bush worn | 6.13% |
| 5 | Coil spring broken or corroded | 5.85% |
| 6 | Number plate lamp not working | 5.80% |
| 7 | Stop lamp not working | 5.16% |
| 8 | Brake pads or linings worn | 4.21% |
| 9 | Wiper blades deteriorated | 4.07% |
| 10 | Brake performance below minimum | 3.94% |
| 11 | Ball joint dust cover split | 3.31% |
| 12 | Windscreen washer not working | 2.88% |
| 13 | Spark ignition emissions above threshold | 1.97% |
| 14 | Catalytic converter efficiency low | 1.91% |
| 15 | Brake disc or drum worn | 1.85% |
| 16 | Headlamp fault | 1.78% |
| 17 | Headlamp aim defect | 1.75% |
| 18 | Shock absorber worn or leaking | 1.71% |
| 19 | Exhaust system fault | 1.64% |
| 20 | Windscreen damage affecting view | 1.53% |
| 21 | Front lamp not working | 1.43% |
| 22 | Parking brake performance below minimum | 1.25% |
| 23 | Indicator fault | 1.17% |
| 24 | Position lamp not working | 1.11% |
| 25 | Airbag warning light on | 1.08% |
| 26 | ABS fault | 1.05% |
| 27 | Compression ignition emissions above threshold | 1.02% |
| 28 | Track rod end worn | 0.88% |
| 29 | Electronic stability control fault | 0.61% |
| 30 | Rear lamp not working | 0.58% |
| 31 | Seat belt condition | 0.55% |
| 32 | Brake hydraulic component worn | 0.54% |
| 33 | Mirror damaged or missing | 0.42% |
| 34 | Wheel bearing worn | 0.42% |
| 35 | Front suspension joint worn | 0.37% |
| 36 | Flexible brake hose damaged | 0.36% |
| 37 | Fog lamp not working | 0.35% |
| 38 | Rear fog lamp not working | 0.30% |
| 39 | Tyre pressure monitoring system fault | 0.26% |
| 40 | Front suspension fault | 0.25% |
| 41 | Steering rack fault | 0.25% |
| 42 | Tyre size or type not matched | 0.24% |
| 43 | MacPherson strut worn | 0.23% |
| 44 | Rear suspension fault | 0.23% |
| 45 | Fuel cap damaged or missing | 0.22% |
| 46 | Battery loose or leaking | 0.19% |
| 47 | Suspension arm worn or corroded | 0.19% |
| 48 | Brake pedal movement restricted | 0.16% |
| 49 | Brake caliper fault | 0.16% |
| 50 | Horn not working | 0.16% |
| 51 | Rigid brake pipe corroded or damaged | 0.16% |
| 52 | Headlamp levelling device fault | 0.12% |
| 53 | Body corrosion or damage | 0.11% |
| 54 | Parking brake condition | 0.11% |
| 55 | Suspension mounting corroded | 0.10% |
| 56 | Suspension linkage fault | 0.09% |
| 57 | Bonnet catch or hinge fault | 0.09% |
| 58 | Brake fluid leak | 0.09% |
| 59 | Bumper damaged or insecure | 0.08% |
| 60 | Propshaft fault | 0.08% |
| 61 | Engine oil leak | 0.08% |
| 62 | Headlamp washer not working | 0.08% |
| 63 | Brake pedal fault | 0.08% |
| 64 | Brake fluid level low or contaminated | 0.06% |
| 65 | Electric power steering fault | 0.06% |
| 66 | Tyre valve stem damaged | 0.06% |
| 67 | Undertray damaged or missing | 0.06% |
| 68 | Bonded suspension condition | 0.06% |
| 69 | Electrical switch fault | 0.06% |
| 70 | Driver airbag fault | 0.06% |
| 71 | Brake lever fault | 0.05% |
| 72 | Steering arm worn | 0.05% |
| 73 | Anti-roll bar worn or corroded | 0.05% |
| 74 | Reversing lamp not working | 0.05% |
| 75 | Electrical wiring fault | 0.05% |
| 76 | Rear reflector damaged or missing | 0.04% |
| 77 | Brake cable, rod, lever or linkage fault | 0.04% |
| 78 | Vehicle structure corrosion | 0.04% |
| 79 | Steering free play excessive | 0.04% |
| 80 | Front passenger door fault | 0.04% |
| 81 | Dashboard warning lamp fault | 0.04% |
| 82 | Chassis condition | 0.04% |
| 83 | Driver door fault | 0.04% |
| 84 | Power steering pipe or hose leaking | 0.03% |
| 85 | Subframe corrosion or damage | 0.03% |
| 86 | Fuel pipe corroded or damaged | 0.03% |
| 87 | Handbrake cable fault | 0.03% |
| 88 | Drag link end worn | 0.03% |
| 89 | Handbrake lever fault | 0.02% |
| 90 | King pin or swivel pin worn | 0.02% |
| 91 | Brake air or vacuum system fault | 0.02% |
| 92 | Brake back plate corroded or damaged | 0.02% |
| 93 | Engine mounting worn or broken | 0.02% |
| 94 | Steering operation fault | 0.02% |
| 95 | Brake fluid warning light on | 0.02% |
| 96 | Body security fault | 0.02% |
| 97 | Boot lid damaged or insecure | 0.02% |
| 98 | Driver seat fault | 0.01% |
| 99 | Exhaust leak | 0.01% |
| 100 | Electronic braking system fault | 0.01% |
| 101 | Brake servo fault | 0.01% |
| 102 | Steering lock fault | 0.01% |
| 103 | Axle beam corroded or cracked | 0.01% |
| 104 | Fuel hose damaged or leaking | <0.01% |
| 105 | Passenger seat fault | <0.01% |
| 106 | Window damaged or won't operate | <0.01% |
| 107 | Suspension unit fault | <0.01% |
| 108 | Passenger airbag fault | <0.01% |
| 109 | Brake fluid reservoir fault | <0.01% |
| 110 | Fuel tank corroded or leaking | <0.01% |
| 111 | Power steering pump fault | <0.01% |
| 112 | Mirror or camera fault | <0.01% |
| 113 | Full power hydraulic brake fault | <0.01% |
| 114 | Electronic parking brake fault | <0.01% |
| 115 | Tailgate damaged or insecure | <0.01% |
| 116 | Speedometer fault | <0.01% |
| 117 | Rear fog lamp warning light fault | <0.01% |
| 118 | Trailing arm worn or corroded | <0.01% |
| 119 | Hydraulic brake cylinder fault | <0.01% |
| 120 | Transmission oil leak | <0.01% |
| 121 | Subframe mounting corroded | <0.01% |
| 122 | Additional braking device fault | <0.01% |
| 123 | Suspension retaining or locking device fault | <0.01% |
| 124 | CV joint worn | <0.01% |
| 125 | Daytime running lamp not working | <0.01% |
| 126 | Power steering ram fault | <0.01% |
| 127 | Exhaust emissions above threshold (non-catalyst) | <0.01% |
| 128 | Brake pressure or vacuum buildup insufficient | <0.01% |
| 129 | Steering column fault | <0.01% |
| 130 | Brake master cylinder fault | <0.01% |
| 131 | Hydraulic fluid leak | <0.01% |
| 132 | Steering wheel damaged or insecure | <0.01% |
| 133 | Dip switch fault | <0.01% |
| 134 | Seat belt pre-tensioner fault | <0.01% |
| 135 | Tie bar or rod worn or corroded | <0.01% |
| 136 | Access panel damaged or insecure | <0.01% |
| 137 | Seat belt anchorage fault | <0.01% |
| 138 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 139 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 140 | Front fog lamp not working | <0.01% |
| 141 | Axle corroded or damaged | <0.01% |
| 142 | Brake valve fault | <0.01% |
| 143 | Steering drive system fault | <0.01% |
| 144 | Steering coupling worn | <0.01% |
| 145 | Towbar fault | <0.01% |
| 146 | Seat belt or padding damaged | <0.01% |
| 147 | Reversing lamp switch fault | <0.01% |
| 148 | Spare wheel fault | <0.01% |
| 149 | Suspension rod worn or corroded | <0.01% |
| 150 | Vehicle floor corroded | <0.01% |
| 151 | Indicator warning light fault | <0.01% |
| 152 | Stub axle worn | <0.01% |
| 153 | Outline marker lamp not working | <0.01% |
| 154 | Steering shaft fault | <0.01% |
| 155 | Wheel hub fault | <0.01% |
| 156 | Halfshaft fault | <0.01% |
| 157 | Radius arm worn or corroded | <0.01% |
| 158 | Main beam warning light fault | <0.01% |
| 159 | Spring mounting corroded | <0.01% |
| 160 | Semaphore indicator fault | <0.01% |
| 161 | Brake relay lever fault | <0.01% |
| 162 | Leaf spring broken or corroded | <0.01% |
| 163 | Body strengthening plate corroded | <0.01% |
| 164 | Transmission drive belt fault | <0.01% |
| 165 | Steering box fault | <0.01% |
| 166 | Air suspension levelling valve fault | <0.01% |
| 167 | Load sensing valve fault | <0.01% |
| 168 | Steering intermediate drop arm worn | <0.01% |
| 169 | Passenger compartment corrosion | <0.01% |
| 170 | Hand-operated brake valve condition | <0.01% |
| 171 | Handbrake fails on gradient | <0.01% |
| 172 | Torsion bar worn or corroded | <0.01% |
| 173 | Hazard warning light fault | <0.01% |
| 174 | Loading door damaged or insecure | <0.01% |
| 175 | Steering lock stop fault | <0.01% |
| 176 | Universal joint worn | <0.01% |
| 177 | Torque or reaction arm worn | <0.01% |
| 178 | Brake slack adjuster fault | <0.01% |
| 179 | Seat belt load limiter fault | <0.01% |
| 180 | Steering damper fault | <0.01% |
| 181 | Dropside damaged or insecure | <0.01% |
| 182 | Speed limiter fault | <0.01% |
| 183 | Brake clevis joint worn | <0.01% |
| 184 | Brake wheel cylinder fault | <0.01% |
| 185 | Handbrake mechanism or mounting fault | <0.01% |
| 186 | Hydraulic suspension accumulator fault | <0.01% |
| 187 | Steering head bearings worn | <0.01% |
| 188 | Suspension air bellows damaged | <0.01% |
| 189 | Brake master cylinder or servo mounting fault | <0.01% |
| 190 | Brake pedal linkage fault | <0.01% |
| 191 | Brake stationary pin worn | <0.01% |
| 192 | Leaf spring eye worn or broken | <0.01% |
| 193 | Panhard rod worn or corroded | <0.01% |
| 194 | Suspension coupling worn | <0.01% |
Showing all 194 reasons — scroll inside the table for the full list.
Audi A3 MOT Failures by Category
Total MOT failure occurrences for the Audi A3, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Audi A3 problems?
Based on analysis of 5.4M Audi A3 MOT tests from DVSA data, we have 4 identified common problems across 4 generations. The most frequently flagged issue is "Linkage ball joint dust cover split". Tyres & Wheels is the most common problem category.
Which Audi A3 generation has the most problems?
The Audi A3 8P (2003-2013) (2003–2013) has the highest number of identified common problems (4). Click the generation card above for the full breakdown.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Audi A3?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Audi A3 owners spot problems early. All submissions are reviewed before being added to the public database.
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