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 Sinnis Hoodlum 125 Petrol 125cc has had 2 MOT tests on record, passing every one. It has 3,691 miles on the clock, averaging 920 miles per year, well below the UK average of 7,400.
MOT & Mileage History for GY21 UDG
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 3,691 miles |
| Reading date | |
| Miles last year | 1,497 |
| Average per year | 920 |
| Mileage consistency | Consistent |
Check GY21 UDG
- Write-off & insurance claims Experian
- Outstanding finance check Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 2 tests on record
Explore more about the Sinnis Hoodlum 125
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Vehicle Details
| Registration | GY21 UDG |
| Make | Sinnis |
| Model | Hoodlum 125 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 125cc |
| Year | 2021 |
| First registered | |
| Area code | GY — Brighton, Garden of England |
| Age identifier | 21 — March 2021 to August 2021 |
More GY21 U plates
Browse all GY21 U registrations from Brighton.
About GY21 UDG
What car is GY21 UDG?
GY21 UDG is a grey Sinnis Hoodlum 125, petrol (125cc). First registered in Brighton in 2021.
What is the mileage of GY21 UDG?
The last recorded mileage for GY21 UDG was 3,691 miles, recorded on 6 Mar 2026 during its most recent MOT test.
Has GY21 UDG passed its MOT?
GY21 UDG has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 6 Mar 2026.
Is GY21 UDG ULEZ compliant?
Based on its fuel type and registration year, GY21 UDG 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 GY21 UDG?
GY21 UDG is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.