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 Fr Ecotsi S-A Petrol 999cc has had 3 MOT tests on record, passing every one. It has 79,410 miles on the clock, averaging 9,722 miles per year, above the UK average of 7,400.
MOT & Mileage History for KT21 BYN
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
Above average| Latest reading | 79,410 miles |
| Reading date | |
| Miles last year | 10,091 |
| Average per year | 9,722 |
| Mileage consistency | Consistent |
Check KT21 BYN
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle 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 3 tests on record
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Vehicle Details
| Registration | KT21 BYN |
| Make | Seat |
| Model | Arona Fr Ecotsi S-A |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | KT — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
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About KT21 BYN
What car is KT21 BYN?
KT21 BYN is a grey Seat Arona Fr Ecotsi S-A, petrol (999cc). First registered in Luton in 2021.
What is the mileage of KT21 BYN?
The last recorded mileage for KT21 BYN was 79,410 miles, recorded on 23 May 2026 during its most recent MOT test.
Has KT21 BYN passed its MOT?
KT21 BYN has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 23 May 2026.
Is KT21 BYN ULEZ compliant?
Based on its fuel type and registration year, KT21 BYN 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 KT21 BYN?
KT21 BYN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.