Registration-year report · 2005–2025
Data as of: DVSA MOT results to 2025
Sunbeam S8: MOT pass rate by registration year
Which S8 years pass first time, and which fall short of the model's 91.4% average, from 1,319 DVSA tests.
1956
highest-passing year · 94.5%
1953
lowest-passing year · 87.8%
6.7pp
spread across 9 years
Pass rate by registration year
first-time pass rate · cohorts with 50 or more tests · registration year from first use date
Highest pass rate: 1956 (94.5% of 55 tests). Lowest: 1953 (87.8% of 74). Years more than two points below the model average: 1953.
| Registered | Tests | First-time pass | vs model (91.4%) |
|---|---|---|---|
| 1949 | 143 | 89.5% | -1.9 pp |
| 1950 | 308 | 90.6% | -0.8 pp |
| 1951 | 240 | 92.5% | +1.1 pp |
| 1952 | 179 | 91.6% | +0.2 pp |
| 1953 | 74 | 87.8% | -3.6 pp |
| 1954 | 81 | 90.1% | -1.3 pp |
| 1956 | 55 | 94.5% | +3.1 pp |
| 1957 | 78 | 92.3% | +0.9 pp |
| 1971 | 63 | 93.7% | +2.3 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
first-time pass rate by test year · 2005–2012
Questions
- Which S8 years have the lowest MOT pass rate?
- 1953 registered examples pass first time less often than the Sunbeam S8 overall (91.4%); the 1953 cohort is lowest at 87.8% from 74 tests.
- Which S8 year has the highest MOT pass rate?
- 1956, at 94.5% of 55 first tests (2005–2025). Years more than two points above the model average: 1956, 1971.
- How much does the S8 pass rate vary by year?
- 6.7 percentage points between the highest (1956, 94.5%) and lowest (1953, 87.8%) 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: Sunbeam S8 reliability, failures and mileage · ranked #588 of 5428 models· other Sunbeam models: S7, Model 9, Model 8, 9