Data as of: DVSA MOT results to 2025
MZ Mastiff: MOT pass rate by registration year
Which Mastiff years pass first time, and which fall short of the model's 81.3% average, from 888 DVSA tests.
Pass rate by registration year
Highest pass rate: 2004 (89.4% of 104 tests). Lowest: 1999 (75.0% of 52). Years more than two points below the model average: 1999, 2003.
| Registered | Tests | First-time pass | vs model (81.3%) |
|---|---|---|---|
| 1998 | 93 | 83.9% | +2.6 pp |
| 1999 | 52 | 75.0% | -6.3 pp |
| 2001 | 178 | 80.9% | -0.4 pp |
| 2002 | 236 | 80.9% | -0.4 pp |
| 2003 | 115 | 78.3% | -3.0 pp |
| 2004 | 104 | 89.4% | +8.1 pp |
| 2005 | 59 | 79.7% | -1.6 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 Mastiff years have the lowest MOT pass rate?
- 1999, 2003 registered examples pass first time less often than the MZ Mastiff overall (81.3%); the 1999 cohort is lowest at 75.0% from 52 tests.
- Which Mastiff year has the highest MOT pass rate?
- 2004, at 89.4% of 104 first tests (2005–2025). Years more than two points above the model average: 1998, 2004.
- How much does the Mastiff pass rate vary by year?
- 14.4 percentage points between the highest (2004, 89.4%) and lowest (1999, 75.0%) 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: MZ Mastiff reliability, failures and mileage · ranked #3318 of 5428 models· other MZ models: Baghira, ETZ250, Skorpion, ETZ251, TS250, ETZ125