2021 Kia Stonic — MOT History by Age
How cars manufactured in 2021 perform at MOT as they age
5 years
Current Age
96.2%
Latest Pass Rate
184
Total Tests (All Years)
19,897 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Best vintage for Stonic
Compared to Average at Age 3
This car: 96.2%
Average: 83.7%
✅ 12.5% above average (25474 models compared)
How This Car Ages
📉
Insufficient data for this analysis
Pass Rate Trend
📊
Insufficient data for this analysis
Year-by-Year MOT Results
2024
96.2%
Age (yrs) 3Tests 184Avg Mileage 19,897Top Failure Brakes — 4.3%
Common MOT Failures
Top failure categories across all test years for 2021 Kia Stonic, with age trends.
Brakes
4.3%
— Consistent
Visibility
1.6%
— Consistent
Non-component advisories
1.1%
— Consistent
Tyres
1.1%
— Consistent
Road Wheels
0.5%
— Consistent
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Brakes | 4.3% (3 yrs) | 4.3% (3 yrs) | 0.0%
| ⚪ — |
| Visibility | 1.6% (3 yrs) | 1.6% (3 yrs) | 0.0%
| ⚪ — |
| Non-component advisories | 1.1% (3 yrs) | 1.1% (3 yrs) | 0.0%
| ⚪ — |
| Tyres | 1.1% (3 yrs) | 1.1% (3 yrs) | 0.0%
| ⚪ — |
| Road Wheels | 0.5% (3 yrs) | 0.5% (3 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Kia Stonic page →
About This Data
This page shows how Kia Stonic cars manufactured in 2021 perform at MOT as they age. Data spans from 2024 to 2024, covering 184 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.