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 Ateca Petrol 999cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 55,316 miles on the clock, averaging 11,486 miles per year, above the UK average of 7,400.
MOT & Mileage History for DE21 KNJ
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
Above average| Latest reading | 55,316 miles |
| Reading date | |
| Miles last year | 14,395 |
| Average per year | 11,486 |
| Mileage consistency | Consistent |
Check DE21 KNJ
- 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
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Vehicle Details
| Registration | DE21 KNJ |
| Make | Seat |
| Model | Ateca |
| 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 K plates
Browse all DE21 K registrations from Chester.
About DE21 KNJ
What car is DE21 KNJ?
DE21 KNJ is a white Seat Ateca, petrol (999cc). First registered in Chester in 2021.
What is the mileage of DE21 KNJ?
The last recorded mileage for DE21 KNJ was 55,316 miles, recorded on 25 May 2026 during its most recent MOT test.
Has DE21 KNJ passed its MOT?
DE21 KNJ has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 25 May 2026.
Is DE21 KNJ ULEZ compliant?
Based on its fuel type and registration year, DE21 KNJ 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 KNJ?
DE21 KNJ is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.