Porsche 928 MOT data by year
The Porsche 928 appears in 1,066 MOT tests in this dataset across model years 1980–2020. Its most common failure areas are lighting & signalling, emissions & environmental and visibility, and its overall pass rate is 85.5%.
1,066
MOT tests analysed
85.5%
Pass rate
14.5%
Fail rate
1980–2020
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% | 96 |
| 2 | Emissions & environmental | 7.2% | 77 |
| 3 | Visibility | 3.0% | 32 |
| 4 | Brakes | 2.6% | 28 |
| 5 | Steering | 1.7% | 18 |
| 6 | Body, structure & corrosion | 1.3% | 14 |
| 7 | Seat belts & restraints | 1.2% | 13 |
| 8 | Suspension | 0.9% | 10 |
Methodology & source. Based on 1,066 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.