At a Glance
The Audi A1 has 8 identified common problems across 2 generations, with the 8X (2010-2018) being the most affected generation and tyres & wheels the most common problem category. Based on 1.4M 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 A1 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 A1 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 A1 Generations
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Most Common Audi A1 MOT Failures
Every reason Audi A1 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 condition | 17.89% |
| 2 | Tyre tread depth below limit | 11.59% |
| 3 | Suspension joint or bush worn | 8.09% |
| 4 | Coil spring broken or corroded | 7.11% |
| 5 | Brake pads or linings worn | 6.48% |
| 6 | Brake disc or drum worn | 4.51% |
| 7 | Windscreen washer not working | 4.33% |
| 8 | Spark ignition emissions above threshold | 3.65% |
| 9 | Brake performance below minimum | 3.55% |
| 10 | Ball joint dust cover split | 3.55% |
| 11 | Wiper blades deteriorated | 3.14% |
| 12 | Indicator fault | 2.37% |
| 13 | Position lamp not working | 2.24% |
| 14 | Driveshaft fault | 2.03% |
| 15 | Stop lamp not working | 2.00% |
| 16 | Windscreen damage affecting view | 1.86% |
| 17 | Headlamp fault | 1.77% |
| 18 | Exhaust system fault | 1.50% |
| 19 | Airbag warning light on | 1.32% |
| 20 | Tyre pressure monitoring system fault | 1.27% |
| 21 | Track rod end worn | 1.01% |
| 22 | Shock absorber worn or leaking | 0.81% |
| 23 | Horn not working | 0.73% |
| 24 | Rear fog lamp not working | 0.60% |
| 25 | Parking brake performance below minimum | 0.56% |
| 26 | Seat belt condition | 0.39% |
| 27 | Number plate lamp not working | 0.34% |
| 28 | Wheel bearing worn | 0.30% |
| 29 | MacPherson strut worn | 0.29% |
| 30 | Headlamp levelling device fault | 0.29% |
| 31 | Tyre size or type not matched | 0.27% |
| 32 | Rear lamp not working | 0.23% |
| 33 | Electronic stability control fault | 0.22% |
| 34 | ABS fault | 0.21% |
| 35 | Reversing lamp not working | 0.18% |
| 36 | Catalytic converter efficiency low | 0.17% |
| 37 | Mirror damaged or missing | 0.15% |
| 38 | Headlamp washer not working | 0.15% |
| 39 | Headlamp aim defect | 0.14% |
| 40 | Steering rack fault | 0.14% |
| 41 | Compression ignition emissions above threshold | 0.13% |
| 42 | Brake caliper fault | 0.13% |
| 43 | Bumper damaged or insecure | 0.12% |
| 44 | Undertray damaged or missing | 0.11% |
| 45 | Flexible brake hose damaged | 0.11% |
| 46 | Brake lever fault | 0.10% |
| 47 | Suspension mounting corroded | 0.10% |
| 48 | Battery loose or leaking | 0.09% |
| 49 | Front lamp not working | 0.09% |
| 50 | Fuel cap damaged or missing | 0.08% |
| 51 | Bonnet catch or hinge fault | 0.08% |
| 52 | Tyre valve stem damaged | 0.07% |
| 53 | Fog lamp not working | 0.07% |
| 54 | Rear reflector damaged or missing | 0.07% |
| 55 | Brake fluid level low or contaminated | 0.06% |
| 56 | Driver seat fault | 0.06% |
| 57 | Engine oil leak | 0.06% |
| 58 | Suspension linkage fault | 0.05% |
| 59 | Propshaft fault | 0.05% |
| 60 | Suspension arm worn or corroded | 0.05% |
| 61 | Driver airbag fault | 0.05% |
| 62 | Brake pedal fault | 0.04% |
| 63 | Brake cable, rod, lever or linkage fault | 0.04% |
| 64 | Rigid brake pipe corroded or damaged | 0.04% |
| 65 | Electric power steering fault | 0.03% |
| 66 | Handbrake lever fault | 0.03% |
| 67 | Passenger seat fault | 0.03% |
| 68 | Electrical switch fault | 0.03% |
| 69 | Steering arm worn | 0.03% |
| 70 | Parking brake condition | 0.03% |
| 71 | Front passenger door fault | 0.03% |
| 72 | Front fog lamp not working | 0.03% |
| 73 | Front suspension fault | 0.03% |
| 74 | Rear suspension fault | 0.03% |
| 75 | Brake hydraulic component worn | 0.02% |
| 76 | Body corrosion or damage | 0.02% |
| 77 | Electrical wiring fault | 0.02% |
| 78 | Brake fluid reservoir fault | 0.02% |
| 79 | Front suspension joint worn | 0.02% |
| 80 | Reversing lamp switch fault | 0.02% |
| 81 | Exhaust leak | 0.02% |
| 82 | Brake pedal movement restricted | 0.02% |
| 83 | Brake fluid leak | 0.02% |
| 84 | Power steering pipe or hose leaking | 0.01% |
| 85 | Drag link end worn | 0.01% |
| 86 | Fuel pipe corroded or damaged | 0.01% |
| 87 | Subframe corrosion or damage | 0.01% |
| 88 | Driver door fault | 0.01% |
| 89 | Passenger airbag fault | 0.01% |
| 90 | Hydraulic brake cylinder fault | 0.01% |
| 91 | Anti-roll bar worn or corroded | 0.01% |
| 92 | Window damaged or won't operate | <0.01% |
| 93 | Rear fog lamp warning light fault | <0.01% |
| 94 | Steering lock fault | <0.01% |
| 95 | Mirror or camera fault | <0.01% |
| 96 | Daytime running lamp not working | <0.01% |
| 97 | Fuel tank corroded or leaking | <0.01% |
| 98 | Chassis condition | <0.01% |
| 99 | Fuel hose damaged or leaking | <0.01% |
| 100 | Engine mounting worn or broken | <0.01% |
| 101 | Electronic braking system fault | <0.01% |
| 102 | Hydraulic fluid leak | <0.01% |
| 103 | Axle corroded or damaged | <0.01% |
| 104 | Boot lid damaged or insecure | <0.01% |
| 105 | Brake servo fault | <0.01% |
| 106 | Brake valve fault | <0.01% |
| 107 | Steering column fault | <0.01% |
| 108 | Vehicle structure corrosion | <0.01% |
| 109 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 110 | Dip switch fault | <0.01% |
| 111 | Seat belt or padding damaged | <0.01% |
| 112 | Transmission oil leak | <0.01% |
| 113 | Brake master cylinder fault | <0.01% |
| 114 | Steering operation fault | <0.01% |
| 115 | Main beam warning light fault | <0.01% |
| 116 | Steering wheel damaged or insecure | <0.01% |
| 117 | King pin or swivel pin worn | <0.01% |
| 118 | Seat belt pre-tensioner fault | <0.01% |
| 119 | Steering free play excessive | <0.01% |
| 120 | Body security fault | <0.01% |
| 121 | Handbrake cable fault | <0.01% |
| 122 | Suspension rod worn or corroded | <0.01% |
| 123 | Power steering ram fault | <0.01% |
| 124 | Brake fluid warning light on | <0.01% |
| 125 | Suspension unit fault | <0.01% |
| 126 | Brake pressure or vacuum buildup insufficient | <0.01% |
| 127 | Outline marker lamp not working | <0.01% |
| 128 | Seat belt anchorage fault | <0.01% |
| 129 | Suspension retaining or locking device fault | <0.01% |
| 130 | Access panel damaged or insecure | <0.01% |
| 131 | Dashboard warning lamp fault | <0.01% |
| 132 | Steering intermediate drop arm worn | <0.01% |
| 133 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 134 | Universal joint worn | <0.01% |
| 135 | Hand-operated brake valve condition | <0.01% |
| 136 | Leaf spring broken or corroded | <0.01% |
| 137 | Semaphore indicator fault | <0.01% |
| 138 | Wheel hub fault | <0.01% |
| 139 | Bonded suspension condition | <0.01% |
| 140 | Body strengthening plate corroded | <0.01% |
| 141 | Power steering pump fault | <0.01% |
| 142 | Speedometer fault | <0.01% |
| 143 | Tailgate damaged or insecure | <0.01% |
| 144 | Tie bar or rod worn or corroded | <0.01% |
| 145 | Additional braking device fault | <0.01% |
| 146 | Air brake cylinder or actuator fault | <0.01% |
| 147 | Brake air or vacuum system fault | <0.01% |
| 148 | Brake back plate corroded or damaged | <0.01% |
| 149 | Electronic parking brake fault | <0.01% |
| 150 | Full power hydraulic brake fault | <0.01% |
| 151 | Indicator warning light fault | <0.01% |
| 152 | Seat belt load limiter fault | <0.01% |
| 153 | Steering head bearings worn | <0.01% |
| 154 | Subframe mounting corroded | <0.01% |
| 155 | Vehicle floor corroded | <0.01% |
| 156 | Steering coupling worn | <0.01% |
Showing all 156 reasons — scroll inside the table for the full list.
Audi A1 MOT Failures by Category
Total MOT failure occurrences for the Audi A1, 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 A1 problems?
Based on analysis of 1.4M Audi A1 MOT tests from DVSA data, we have 8 identified common problems across 2 generations. The most frequently flagged issue is "Compression ignition emissions above threshold". Tyres & Wheels is the most common problem category.
Which Audi A1 generation has the most problems?
The Audi A1 8X (2010-2018) (2010–2018) has the highest number of identified common problems (8). 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 A1?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Audi A1 owners spot problems early. All submissions are reviewed before being added to the public database.
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