Alfa Romeo 166 MOT data by year
The Alfa Romeo 166 appears in 1,430 MOT tests in this dataset across model years 1998–2020. Its most common failure areas are lighting & signalling, brakes and suspension, and its overall pass rate is 71.1%.
1,430
MOT tests analysed
71.1%
Pass rate
28.9%
Fail rate
1998–2020
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 2005 | 254 | 71.7% | 28.3% | Brakes |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 15.2% | 217 |
| 2 | Brakes | 13.9% | 199 |
| 3 | Suspension | 10.4% | 149 |
| 4 | Body, structure & corrosion | 7.8% | 112 |
| 5 | Emissions & environmental | 6.4% | 91 |
| 6 | Visibility | 5.9% | 84 |
| 7 | Tyres | 4.3% | 61 |
| 8 | Seat belts & restraints | 3.1% | 44 |
Methodology & source. Based on 1,430 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.