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 S Line 30 Tfsi Mhev S-A Petrol 999cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 36,754 miles on the clock, averaging 9,821 miles per year, above the UK average of 7,400.
MOT & Mileage History for KN21 BVX
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 | 36,754 miles |
| Reading date | |
| Miles last year | 12,094 |
| Average per year | 9,821 |
| Mileage consistency | Consistent |
Check KN21 BVX
- Write-off & insurance claims Experian
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KN21 BVX |
| Make | Audi |
| Model | A3 S Line 30 Tfsi Mhev S-A |
| Colour | Grey |
| 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 B plates
Browse all KN21 B registrations from Luton.
About KN21 BVX
What car is KN21 BVX?
KN21 BVX is a grey Audi A3 S Line 30 Tfsi Mhev S-A, petrol (999cc). First registered in Luton in 2021.
What is the mileage of KN21 BVX?
The last recorded mileage for KN21 BVX was 36,754 miles, recorded on 12 May 2026 during its most recent MOT test.
Has KN21 BVX passed its MOT?
KN21 BVX has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 12 May 2026.
Is KN21 BVX ULEZ compliant?
Based on its fuel type and registration year, KN21 BVX 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 BVX?
KN21 BVX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.