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 Arona Petrol 999cc has had 3 MOT tests on record, passing every one. It has 34,724 miles on the clock, averaging 6,004 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN21 SDZ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 34,724 miles |
| Reading date | |
| Miles last year | 6,486 |
| Average per year | 6,004 |
| Mileage consistency | Consistent |
Check KN21 SDZ
- 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
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Vehicle Details
| Registration | KN21 SDZ |
| Make | Seat |
| Model | Arona |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 S plates
Browse all KN21 S registrations from Luton.
About KN21 SDZ
What car is KN21 SDZ?
KN21 SDZ is a red Seat Arona, petrol (999cc). First registered in Luton in 2021.
What is the mileage of KN21 SDZ?
The last recorded mileage for KN21 SDZ was 34,724 miles, recorded on 11 Apr 2026 during its most recent MOT test.
Has KN21 SDZ passed its MOT?
KN21 SDZ has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 11 Apr 2026.
Is KN21 SDZ ULEZ compliant?
Based on its fuel type and registration year, KN21 SDZ 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 KN21 SDZ?
KN21 SDZ is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.