1991 Isuzu Unclassified — MOT History by Age
How cars manufactured in 1991 perform at MOT as they age
35 years
Current Age
52.9%
Latest Pass Rate
34
Total Tests (All Years)
165,983 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Compared to Average at Age 18
This car: 52.9%
Average: 54.3%
⚠️ 1.4% below average (8383 models compared)
How This Car Ages
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Insufficient data for this analysis
Pass Rate Trend
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Insufficient data for this analysis
Year-by-Year MOT Results
2009High Fail Rate
52.9%
Age (yrs) 18Tests 34Avg Mileage 165,983Top Failure Lamps, Reflectors and Electrical Equipment — 38.2%
Common MOT Failures
Top failure categories across all test years for 1991 Isuzu Unclassified, with age trends.
Lamps, Reflectors and Electrical Equipment
38.2%
— Consistent
Brakes
32.4%
— Consistent
Suspension
29.4%
— Consistent
Exhaust, Fuel and Emissions
17.6%
— Consistent
Steering
8.8%
— Consistent
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Lamps, Reflectors and Electrical Equipment | 38.2% (18 yrs) | 38.2% (18 yrs) | 0.0%
| ⚪ — |
| Brakes | 32.4% (18 yrs) | 32.4% (18 yrs) | 0.0%
| ⚪ — |
| Suspension | 29.4% (18 yrs) | 29.4% (18 yrs) | 0.0%
| ⚪ — |
| Exhaust, Fuel and Emissions | 17.6% (18 yrs) | 17.6% (18 yrs) | 0.0%
| ⚪ — |
| Steering | 8.8% (18 yrs) | 8.8% (18 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Isuzu Unclassified page →
About This Data
This page shows how Isuzu Unclassified cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2009, covering 34 tests. Pass rates naturally decline with age as components wear.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.