1999 Hyundai Accent Siena — MOT History by Age
How cars manufactured in 1999 perform at MOT as they age
27 years
Current Age
37.1%
Latest Pass Rate
35
Total Tests (All Years)
91,634 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Best vintage for Accent Siena
Compared to Average at Age 10
This car: 37.1%
Average: 58.8%
⚠️ 21.7% below average (15326 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
37.1%
Age (yrs) 10Tests 35Avg Mileage 91,634Top Failure Lamps, Reflectors and Electrical Equipment — 37.1%
Common MOT Failures
Top failure categories across all test years for 1999 Hyundai Accent Siena, with age trends.
Lamps, Reflectors and Electrical Equipment
37.1%
— Consistent
Suspension
34.3%
— Consistent
Brakes
34.3%
— Consistent
Driver's View of the Road
28.6%
— Consistent
Tyres
25.7%
— 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 | 37.1% (10 yrs) | 37.1% (10 yrs) | 0.0%
| ⚪ — |
| Suspension | 34.3% (10 yrs) | 34.3% (10 yrs) | 0.0%
| ⚪ — |
| Brakes | 34.3% (10 yrs) | 34.3% (10 yrs) | 0.0%
| ⚪ — |
| Driver's View of the Road | 28.6% (10 yrs) | 28.6% (10 yrs) | 0.0%
| ⚪ — |
| Tyres | 25.7% (10 yrs) | 25.7% (10 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Hyundai Accent Siena page →
About This Data
This page shows how Hyundai Accent Siena cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2009, covering 35 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.