Data as of: DVSA MOT results to 2025
Triumph S: MOT pass rate by registration year
Which S years pass first time, and which fall short of the model's 88.6% average, from 26,757 DVSA tests.
Pass rate by registration year
Highest pass rate: 2017 (92.0% of 1,456 tests). Lowest: 2011 (83.1% of 65). Years more than two points below the model average: 2010, 2011.
| Registered | Tests | First-time pass | vs model (88.6%) |
|---|---|---|---|
| 2010 | 69 | 85.5% | -3.1 pp |
| 2011 | 65 | 83.1% | -5.5 pp |
| 2012 | 406 | 89.7% | +1.1 pp |
| 2013 | 4,668 | 87.4% | -1.2 pp |
| 2014 | 7,569 | 87.6% | -1.0 pp |
| 2015 | 6,961 | 89.0% | +0.4 pp |
| 2016 | 5,420 | 89.8% | +1.2 pp |
| 2017 | 1,456 | 92.0% | +3.4 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which S years have the lowest MOT pass rate?
- 2010, 2011 registered examples pass first time less often than the Triumph S overall (88.6%); the 2011 cohort is lowest at 83.1% from 65 tests.
- Which S year has the highest MOT pass rate?
- 2017, at 92.0% of 1,456 first tests (2005–2025).
- How much does the S pass rate vary by year?
- 8.9 percentage points between the highest (2017, 92.0%) and lowest (2011, 83.1%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: Triumph S reliability, failures and mileage · ranked #1402 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird