At a Glance
The Daihatsu Sirion has 6 identified common problems across 2 generations, with the Mk2 (2005-2013) being the most affected generation and suspension the most common problem category. Based on 192K 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 Daihatsu Sirion 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
Daihatsu Sirion 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 Daihatsu Sirion Generations
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Most Common Daihatsu Sirion MOT Failures
Every reason Daihatsu Sirion 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 | Wiper blades deteriorated | 11.91% |
| 2 | Suspension joint or bush worn | 10.42% |
| 3 | Tyre tread depth below limit | 7.21% |
| 4 | Stop lamp not working | 5.45% |
| 5 | Tyre condition | 5.31% |
| 6 | Brake performance below minimum | 4.42% |
| 7 | Exhaust system fault | 4.21% |
| 8 | Catalytic converter efficiency low | 3.51% |
| 9 | Brake hydraulic component worn | 3.18% |
| 10 | Driveshaft fault | 3.14% |
| 11 | Suspension mounting corroded | 2.90% |
| 12 | Number plate lamp not working | 2.76% |
| 13 | Brake disc or drum worn | 2.68% |
| 14 | Brake pads or linings worn | 2.51% |
| 15 | Spark ignition emissions above threshold | 2.32% |
| 16 | Windscreen washer not working | 2.09% |
| 17 | Front lamp not working | 2.00% |
| 18 | Rigid brake pipe corroded or damaged | 1.96% |
| 19 | Headlamp fault | 1.75% |
| 20 | Position lamp not working | 1.51% |
| 21 | Headlamp aim defect | 1.37% |
| 22 | Track rod end worn | 1.13% |
| 23 | Ball joint dust cover split | 1.12% |
| 24 | Chassis condition | 1.07% |
| 25 | Shock absorber worn or leaking | 1.00% |
| 26 | Parking brake performance below minimum | 0.98% |
| 27 | Body corrosion or damage | 0.82% |
| 28 | Windscreen damage affecting view | 0.71% |
| 29 | ABS fault | 0.62% |
| 30 | Vehicle structure corrosion | 0.57% |
| 31 | Mirror damaged or missing | 0.55% |
| 32 | Rear lamp not working | 0.54% |
| 33 | Spring mounting corroded | 0.51% |
| 34 | Steering rack fault | 0.44% |
| 35 | Front suspension joint worn | 0.43% |
| 36 | Coil spring broken or corroded | 0.42% |
| 37 | Airbag warning light on | 0.42% |
| 38 | Subframe mounting corroded | 0.41% |
| 39 | Indicator fault | 0.40% |
| 40 | Rear suspension fault | 0.35% |
| 41 | Seat belt condition | 0.35% |
| 42 | Horn not working | 0.33% |
| 43 | Battery loose or leaking | 0.31% |
| 44 | Wheel bearing worn | 0.26% |
| 45 | Tyre size or type not matched | 0.26% |
| 46 | Tyre valve stem damaged | 0.23% |
| 47 | Suspension linkage fault | 0.22% |
| 48 | Bumper damaged or insecure | 0.17% |
| 49 | MacPherson strut worn | 0.17% |
| 50 | Parking brake condition | 0.16% |
| 51 | Suspension arm worn or corroded | 0.15% |
| 52 | Brake pedal movement restricted | 0.13% |
| 53 | Fuel cap damaged or missing | 0.12% |
| 54 | King pin or swivel pin worn | 0.11% |
| 55 | Brake lever fault | 0.10% |
| 56 | Fuel pipe corroded or damaged | 0.10% |
| 57 | Front suspension fault | 0.08% |
| 58 | Compression ignition emissions above threshold | 0.08% |
| 59 | Rear fog lamp not working | 0.07% |
| 60 | Fog lamp not working | 0.07% |
| 61 | Anti-roll bar worn or corroded | 0.07% |
| 62 | Flexible brake hose damaged | 0.07% |
| 63 | Bonnet catch or hinge fault | 0.06% |
| 64 | Subframe corrosion or damage | 0.06% |
| 65 | Brake fluid leak | 0.06% |
| 66 | Brake caliper fault | 0.06% |
| 67 | Handbrake lever fault | 0.06% |
| 68 | Brake fluid level low or contaminated | 0.05% |
| 69 | Engine oil leak | 0.04% |
| 70 | Electrical wiring fault | 0.04% |
| 71 | Engine mounting worn or broken | 0.04% |
| 72 | Propshaft fault | 0.03% |
| 73 | Rear reflector damaged or missing | 0.03% |
| 74 | Body security fault | 0.03% |
| 75 | Brake pedal fault | 0.03% |
| 76 | Electrical switch fault | 0.03% |
| 77 | Hydraulic brake cylinder fault | 0.03% |
| 78 | Vehicle floor corroded | 0.03% |
| 79 | Electronic stability control fault | 0.03% |
| 80 | Steering free play excessive | 0.03% |
| 81 | Headlamp levelling device fault | 0.02% |
| 82 | Steering lock fault | 0.02% |
| 83 | Drag link end worn | 0.02% |
| 84 | Dashboard warning lamp fault | 0.02% |
| 85 | Driver airbag fault | 0.02% |
| 86 | Steering operation fault | 0.02% |
| 87 | Brake wheel cylinder fault | 0.02% |
| 88 | Steering arm worn | 0.02% |
| 89 | Brake fluid warning light on | 0.02% |
| 90 | Fuel hose damaged or leaking | 0.02% |
| 91 | Suspension retaining or locking device fault | 0.02% |
| 92 | Steering drive system fault | 0.02% |
| 93 | Front passenger door fault | 0.02% |
| 94 | Power steering pipe or hose leaking | 0.01% |
| 95 | Brake cable, rod, lever or linkage fault | 0.01% |
| 96 | Brake fluid reservoir fault | 0.01% |
| 97 | Steering wheel damaged or insecure | 0.01% |
| 98 | Brake air or vacuum system fault | 0.01% |
| 99 | Exhaust emissions above threshold (non-catalyst) | 0.01% |
| 100 | Fuel tank corroded or leaking | 0.01% |
| 101 | Steering coupling worn | 0.01% |
| 102 | Steering column fault | 0.01% |
| 103 | Universal joint worn | 0.01% |
| 104 | Electric power steering fault | <0.01% |
| 105 | Body strengthening plate corroded | <0.01% |
| 106 | Passenger seat fault | <0.01% |
| 107 | Undertray damaged or missing | <0.01% |
| 108 | Towbar fault | <0.01% |
| 109 | Axle corroded or damaged | <0.01% |
| 110 | Handbrake cable fault | <0.01% |
| 111 | Handbrake mechanism or mounting fault | <0.01% |
| 112 | Tie bar or rod worn or corroded | <0.01% |
| 113 | Bonded suspension condition | <0.01% |
| 114 | Boot lid damaged or insecure | <0.01% |
| 115 | Brake back plate corroded or damaged | <0.01% |
| 116 | Brake valve fault | <0.01% |
| 117 | Exhaust leak | <0.01% |
| 118 | Mirror or camera fault | <0.01% |
| 119 | Hydraulic fluid leak | <0.01% |
| 120 | Power steering ram fault | <0.01% |
| 121 | Speedometer fault | <0.01% |
| 122 | Axle beam corroded or cracked | <0.01% |
| 123 | Brake servo fault | <0.01% |
| 124 | Driver door fault | <0.01% |
| 125 | Electronic braking system fault | <0.01% |
| 126 | Reversing lamp not working | <0.01% |
| 127 | Seat belt anchorage fault | <0.01% |
| 128 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 129 | Tailgate damaged or insecure | <0.01% |
| 130 | Transmission oil leak | <0.01% |
| 131 | Window damaged or won't operate | <0.01% |
| 132 | Access panel damaged or insecure | <0.01% |
| 133 | Anchor bracket corroded | <0.01% |
| 134 | Brake master cylinder fault | <0.01% |
| 135 | Dip switch fault | <0.01% |
| 136 | Front fog lamp not working | <0.01% |
| 137 | Main beam warning light fault | <0.01% |
| 138 | Power steering pump fault | <0.01% |
| 139 | Steering shaft fault | <0.01% |
| 140 | Suspension unit fault | <0.01% |
| 141 | Brake pressure or vacuum buildup insufficient | <0.01% |
| 142 | CV joint worn | <0.01% |
| 143 | Driver seat fault | <0.01% |
| 144 | Leaf spring broken or corroded | <0.01% |
| 145 | Outline marker lamp not working | <0.01% |
| 146 | Passenger airbag fault | <0.01% |
| 147 | Stub axle worn | <0.01% |
| 148 | Suspension rod worn or corroded | <0.01% |
| 149 | Torsion bar worn or corroded | <0.01% |
| 150 | Trailing arm worn or corroded | <0.01% |
| 151 | Transmission drive belt fault | <0.01% |
Showing all 151 reasons — scroll inside the table for the full list.
Daihatsu Sirion MOT Failures by Category
Total MOT failure occurrences for the Daihatsu Sirion, 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 Daihatsu Sirion problems?
Based on analysis of 192K Daihatsu Sirion MOT tests from DVSA data, we have 6 identified common problems across 2 generations. The most frequently flagged issue is "Headlamp fault". Suspension is the most common problem category.
Which Daihatsu Sirion generation has the most problems?
The Daihatsu Sirion Mk2 (2005-2013) (2005–2013) has the highest number of identified common problems (5). 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 Daihatsu Sirion?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Daihatsu Sirion owners spot problems early. All submissions are reviewed before being added to the public database.
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