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 Seat Leon Se Dynamic Tsi Evo Petrol 999cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 40,782 miles on the clock, averaging 10,785 miles per year, above the UK average of 7,400.
MOT & Mileage History for DE21 UBB
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Above average| Latest reading | 40,782 miles |
| Reading date | |
| Miles last year | 323 |
| Average per year | 10,785 |
| Mileage consistency | Consistent |
Check DE21 UBB
- 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 4 tests on record
Explore more about the Seat Leon Se Dynamic Tsi Evo
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Vehicle Details
| Registration | DE21 UBB |
| Make | Seat |
| Model | Leon Se Dynamic Tsi Evo |
| Colour | White |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | DE — Chester, Deeside to Shrewsbury |
| Age identifier | 21 — March 2021 to August 2021 |
More DE21 U plates
Browse all DE21 U registrations from Chester.
About DE21 UBB
What car is DE21 UBB?
DE21 UBB is a white Seat Leon Se Dynamic Tsi Evo, petrol (999cc). First registered in Chester in 2021.
What is the mileage of DE21 UBB?
The last recorded mileage for DE21 UBB was 40,782 miles, recorded on 22 Nov 2025 during its most recent MOT test.
Has DE21 UBB passed its MOT?
DE21 UBB has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 22 Nov 2025.
Is DE21 UBB ULEZ compliant?
Based on its fuel type and registration year, DE21 UBB 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 DE21 UBB?
DE21 UBB is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.