1991 Subaru Sumo — MOT History by Age
How cars manufactured in 1991 perform at MOT as they age
35 years
Current Age
46.9%
Latest Pass Rate
32
Total Tests (All Years)
57,620 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Best vintage for Sumo
Compared to Average at Age 18
This car: 46.9%
Average: 54.3%
⚠️ 7.4% 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
46.9%
Age (yrs) 18Tests 32Avg Mileage 57,620Top Failure Lamps, Reflectors and Electrical Equipment — 34.4%
Common MOT Failures
Top failure categories across all test years for 1991 Subaru Sumo, with age trends.
Lamps, Reflectors and Electrical Equipment
34.4%
— Consistent
Brakes
21.9%
— Consistent
Driver's View of the Road
15.6%
— Consistent
Suspension
12.5%
— Consistent
Tyres
9.4%
— 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 | 34.4% (18 yrs) | 34.4% (18 yrs) | 0.0%
| ⚪ — |
| Brakes | 21.9% (18 yrs) | 21.9% (18 yrs) | 0.0%
| ⚪ — |
| Driver's View of the Road | 15.6% (18 yrs) | 15.6% (18 yrs) | 0.0%
| ⚪ — |
| Suspension | 12.5% (18 yrs) | 12.5% (18 yrs) | 0.0%
| ⚪ — |
| Tyres | 9.4% (18 yrs) | 9.4% (18 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Subaru Sumo page →
About This Data
This page shows how Subaru Sumo cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2009, covering 32 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.