MOT performance
Daihatsu MOT pass rates and common failures
Across 35,812 MOT tests of Daihatsu cars in 2023–2024, 61.2% passed first time. Allowing for age, mileage and fuel, Daihatsus failed about as often as comparable cars.
35,812 MOT tests on 19,148 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
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| Figure | Value | Basis |
|---|---|---|
| First-time pass rate | 61.2% | ±0.5 pts (95%), n = 35,812 |
| Failures vs similar cars | 1.00× | same age, mileage and fuel = 1.00 |
| Tests with a dangerous defect | 8.4% | n = 35,812 |
| Average age at test | 17.8 years | n = 35,812 |
Daihatsu models
Every Daihatsu model with at least 10,000 tests, most-tested first.
| Model | Tests | First-time pass rate | Failures vs similar cars |
|---|---|---|---|
| Daihatsu Sirion | 13,036 | 62.0% | 0.98× |
Where Daihatsus fail
| Area | Tests failed on it | vs similar cars |
|---|---|---|
| Suspension | 16.6% | +20% |
| Lights, reflectors and electrical | 14.9% | -18% |
| Brakes | 10.8% | +4% |
| Body, chassis and structure | 9.7% | +37% |
| Driver's view of the road | 6.8% | -2% |
| Noise, emissions and leaks | 6.4% | +11% |
| Tyres | 4.4% | -26% |
| Steering | 3.1% | +5% |
| Seat belts and airbags | 2.7% | +39% |
| Registration plates and VIN | 0.5% | -3% |
| Road wheels | 0.2% | -51% |
| Speedometer and driving controls | 0.0% | -52% |
Most common failure items
| Item | Area | Share of tests |
|---|---|---|
| Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength | Suspension | 5.49% |
| Ball joint: ball joint excessively worn | Suspension | 4.77% |
| Wipers: does not clear the windscreen effectively | Driver's view of the road | 4.21% |
| Position lamp: not working | Lights, reflectors and electrical | 3.59% |
| Stop lamp: not working | Lights, reflectors and electrical | 3.24% |
| Exhaust system: has a major leak of exhaust gases | Body, chassis and structure | 2.85% |
| Rigid brake pipes: excessively corroded | Brakes | 2.65% |
| Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits | Noise, emissions and leaks | 2.20% |
| Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt | Body, chassis and structure | 2.15% |
| Headlamp aim: projected beam image is obviously incorrect | Lights, reflectors and electrical | 2.04% |
Pass rate by age
| Age at test (years) | Tests | First-time pass rate | Failures vs similar cars |
|---|---|---|---|
| 13-15 | 10,731 | 66.6% | -14% |
| 16+ | 24,774 | 58.8% | +6% |
MOT failures where Daihatsu stands out
Individual failure items that Daihatsus record clearly more or less often than cars of the same age, mileage and fuel. All Daihatsu MOT failure patterns.
- Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength · 2.93× comparable cars
- Ball joint: ball joint excessively worn · 2.86× comparable cars
- Prescribed areas: prescribed area strength or continuity significantly reduced · 2.95× comparable cars
- Rigid brake pipes: excessively corroded · 1.62× comparable cars
Check a specific Daihatsu
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UK number plate or 17-character VIN
About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.