Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2021 Ktm 125 Duke 21 Petrol 125cc has had 3 MOT tests on record, passing 2 and failing once (67% pass rate). It has 23,803 miles on the clock, averaging 3,364 miles per year, well below the UK average of 7,400.
MOT & Mileage History for ST21 UYK
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 23,803 miles |
| Reading date | |
| Miles last year | 7,075 |
| Average per year | 3,364 |
| Mileage consistency | Consistent |
Check ST21 UYK
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 3 tests on record
Explore more about the Ktm 125 Duke 21
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Vehicle Details
| Registration | ST21 UYK |
| Make | Ktm |
| Model | 125 Duke 21 |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 125cc |
| Year | 2021 |
| First registered | |
| Area code | ST — Dundee, Scotland |
| Age identifier | 21 — March 2021 to August 2021 |
More ST21 U plates
Browse all ST21 U registrations from Dundee.
About ST21 UYK
What car is ST21 UYK?
ST21 UYK is an silver Ktm 125 Duke 21, petrol (125cc). First registered in Dundee in 2021.
What is the mileage of ST21 UYK?
The last recorded mileage for ST21 UYK was 23,803 miles, recorded on 29 Jul 2026 during its most recent MOT test.
Has ST21 UYK passed its MOT?
ST21 UYK has had 3 MOT tests with a 67% pass rate (2 passes, 1 failure). It last passed on 29 Jul 2026.
Is ST21 UYK ULEZ compliant?
Based on its fuel type and registration year, ST21 UYK is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is ST21 UYK?
ST21 UYK is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.