Toyota Sienta MOT data by year
The Toyota Sienta appears in 1,146 MOT tests in this dataset across model years 1999–2025. Its most common failure areas are lighting & signalling, tyres and suspension, and its overall pass rate is 90.2%.
1,146
MOT tests analysed
90.2%
Pass rate
9.8%
Fail rate
1999–2025
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 9.0% | 103 |
| 2 | Tyres | 2.3% | 26 |
| 3 | Suspension | 2.2% | 25 |
| 4 | Visibility | 2.2% | 25 |
| 5 | Brakes | 1.2% | 14 |
| 6 | Body, structure & corrosion | 0.8% | 9 |
| 7 | Road wheels | 0.5% | 6 |
| 8 | Emissions & environmental | 0.4% | 4 |
Methodology & source. Based on 1,146 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.