2006 Daihatsu Sirion 1.0L Petrol · NL06 AHU
2006 Daihatsu Sirion (1.0L, petrol). First registered 28 Mar 2006. Recorded mileage 104,969 miles. MOT status: Failed.
- Make & Model
- DAIHATSU SIRION
- Year / Origin
- 2006 · Newcastle
- Safety Recall
- Unknown
- MOT Status
- Failed
- Road Tax
- —
- Recorded Mileage
- 104,969 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 1.0L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
NL06 AHU Key Findings
- 1 MOT test recorded
- Latest MOT failed on 10/12/2022
- 104,969 miles recorded at latest MOT
- 1 historical MOT failure
- 15 defects noted at the latest MOT
- Recurring suspension items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
NL06 AHU MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
1 MOT test are recorded for this 2006 Daihatsu Sirion (NL06 AHU) between December 2022 and December 2022.
The record contains 0 passes and 1 failure.
The most recent test on 10 December 2022 was a fail; the vehicle has not passed its last recorded MOT.
Across all tests, the most frequently flagged areas are: Suspension (4 issues), Exhaust & Emissions (2 issues), Lighting (2 issues), Tyres (1 issue), Brakes (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 5 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Rear Suspension arm pin or bush likely to become detached BOTH REAR AXLE BEAM BUSHES. (5.3.4 (a) (ii))”; “Front Headlamp aim projected beam image is obviously incorrect both fronts (4.1.2 (c))”; “Front Headlamp lens seriously defective BOTH FRONTS (4.1.1 (b) (ii))”.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Daihatsu Daihatsu Sirion
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Poor
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
Avoid this 2006 Daihatsu Sirion (NL06AHU) unless you are prepared for significant repair costs or a potential write-off. The December 2022 MOT failure shows serious structural corrosion and emissions faults that make it unsafe and uneconomical for most buyers.
Do not purchase this vehicle without a full independent inspection and a written repair quote. The December 2022 MOT lists near and offside front subframe mountings excessively corroded reducing structural strength, both front suspension arms corroded, and rear axle beam mounts corroded — these are costly welding jobs that may exceed the car's value. Check for any evidence the 2022 failure was subsequently repaired; the history provided shows no pass after December 2022, so it may be currently unroadworthy.
As a 998cc petrol with no aggregate data, fuel economy is likely modest but the burning oil and CO exceedance suggest poor engine health raising fuel and oil consumption. Annual road tax for a 2006 sub-1.0L petrol is typically low (around £20–£35), and insurance group is likely 1–2, but maintenance will be high given the required suspension, exhaust, and structural work. Estimated annual running cost including fuel, tax, insurance, and typical maintenance is £1,200–£1,800, heavily weighted by deferred repairs.
Inspect the specific failure points from the 2022 MOT: near and offside front subframe mounting areas for excessive corrosion, rear axle beam and its bushes for detachment risk, and both front suspension arms for corrosion. Verify the battery security, headlamp lens condition and aim, and check the exhaust CO levels after warm-up; the test showed CO exceeding limits at idle and fast idle plus oil burning. Confirm whether brake pipes (noted corroded in 2020–2022) and windscreen wipers/headlamp lens issues from 2020 were resolved.
This blue 998cc petrol Sirion first registered in March 2006 has covered 104,969 miles as of its last MOT in December 2022, where it failed on multiple dangerous defects. The failure included excessive corrosion to subframe mountings reducing structural strength, rear axle beam corrosion, and engine burning oil with high CO emissions. Prior MOTs in 2019–2021 showed progressive issues like brake pipe corrosion and steering play, indicating long-term neglect.
No aggregate MOT reliability data is available for the Daihatsu Sirion, so assessment is limited to this vehicle's individual history.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
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DAIHATSU SIRION Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2006 model year cars.
- Structural Underbody and Subframe CorrosionSerious
UK road salt and damp climate cause severe corrosion along the inner sills, rear chassis legs, jacking points, and front subframe mounting brackets. The factory electro-coating and underbody sealant degrade over time, allowing moisture to penetrate sheet metal joints. If neglected, corrosion weakens structural rigidity and mounting points for the suspension and powertrain, resulting in MOT failure. Remedial repairs require cutting out degraded metal and welding replacement structural repair panels.
- Electric Power Steering Column Motor and Torque Sensor FailureModerate
Second-generation M300 Sirion models use an electric power-assisted steering (EPAS) column assembly with an integrated torque sensor and assist motor. Internal sensor drift, solder joint fatigue, or motor brush wear causes intermittent steering assistance loss, uneven weighting between left and right turns, or sudden shutdown while parking. In many cases, the EPS warning light illuminates on the dashboard. Because the sensor is integrated into the column, replacement of the complete steering column unit is typically required.
- Front Suspension Wishbone Bush and Drop Link DeteriorationModerate
Frequent traversal of speed humps and potholed British tarmac causes accelerated wear to the rubber bushes in the front lower control arms and the ball-joints of the anti-roll bar drop links. The bonded rubber splits and perishes, leading to excessive suspension play, imprecise steering tracking, and clunking over uneven road surfaces. Degraded drop links and split ball-joint rubber dust gaiters are leading causes of UK MOT advisories and failure points on high-mileage Sirions.
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