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 2020 Seat Leon Diesel 1598cc has had 5 MOT tests on record, passing 4 and failing once (80% pass rate). It has 128,362 miles on the clock, averaging 12,274 miles per year, above the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for DE20 UDJ
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 | 128,362 miles |
| Reading date | |
| Miles last year | 13,149 |
| Average per year | 12,274 |
| Mileage consistency | Variable |
Check DE20 UDJ
- 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 5 tests on record
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Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
Reported issues for this Seat Leon
These are the most commonly reported problems on Seat Leon models (2012–2020), based on owner reports and workshop data across the UK.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
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Vehicle Details
| Registration | DE20 UDJ |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2020 |
| First registered | |
| Area code | DE — Chester, Deeside to Shrewsbury |
| Age identifier | 20 — March 2020 to August 2020 |
More DE20 U plates
Browse all DE20 U registrations from Chester.
About DE20 UDJ
What car is DE20 UDJ?
DE20 UDJ is a white Seat Leon, diesel (1598cc). First registered in Chester in 2020.
What is the mileage of DE20 UDJ?
The last recorded mileage for DE20 UDJ was 128,362 miles, recorded on 13 Mar 2026 during its most recent MOT test.
Has DE20 UDJ passed its MOT?
DE20 UDJ has had 5 MOT tests with an 80% pass rate (4 passes, 1 failure). It last passed on 13 Mar 2026.
Is DE20 UDJ ULEZ compliant?
Based on its fuel type and registration year, DE20 UDJ is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is DE20 UDJ?
DE20 UDJ is approximately 6 years old. Age identifier 20 means registered between 1 March 2020 and 31 August 2020.