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 Audi A3 Sport 30 Tfsi Petrol 999cc has had 3 MOT tests on record, passing every one. It has 49,451 miles on the clock, averaging 6,277 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN21 XSJ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 49,451 miles |
| Reading date | |
| Miles last year | 6,483 |
| Average per year | 6,277 |
| Mileage consistency | Consistent |
Check KN21 XSJ
- 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
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KN21 XSJ |
| Make | Audi |
| Model | A3 Sport 30 Tfsi |
| Colour | Black |
| 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 X plates
Browse all KN21 X registrations from Luton.
About KN21 XSJ
What car is KN21 XSJ?
KN21 XSJ is a black Audi A3 Sport 30 Tfsi, petrol (999cc). First registered in Luton in 2021.
What is the mileage of KN21 XSJ?
The last recorded mileage for KN21 XSJ was 49,451 miles, recorded on 27 May 2026 during its most recent MOT test.
Has KN21 XSJ passed its MOT?
KN21 XSJ has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 27 May 2026.
Is KN21 XSJ ULEZ compliant?
Based on its fuel type and registration year, KN21 XSJ 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 XSJ?
KN21 XSJ is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.