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 Fr Sport Tsi Evo Petrol 1498cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 52,876 miles on the clock, averaging 14,294 miles per year, above the UK average of 7,400.
MOT & Mileage History for KN21 TRX
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 | 52,876 miles |
| Reading date | |
| Miles last year | 13,411 |
| Average per year | 14,294 |
| Mileage consistency | Consistent |
Check KN21 TRX
- 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 | KN21 TRX |
| Make | Seat |
| Model | Leon Fr Sport Tsi Evo |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1498cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 T plates
Browse all KN21 T registrations from Luton.
About KN21 TRX
What car is KN21 TRX?
KN21 TRX is a grey Seat Leon Fr Sport Tsi Evo, petrol (1498cc). First registered in Luton in 2021.
What is the mileage of KN21 TRX?
The last recorded mileage for KN21 TRX was 52,876 miles, recorded on 17 Mar 2026 during its most recent MOT test.
Has KN21 TRX passed its MOT?
KN21 TRX has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 17 Mar 2026.
Is KN21 TRX ULEZ compliant?
Based on its fuel type and registration year, KN21 TRX 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 TRX?
KN21 TRX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.