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 A4 Technik 35 Tdi Mhev S-A Diesel 1968cc has had 3 MOT tests on record, passing 2 and failing once (67% pass rate). It has 27,835 miles on the clock, averaging 5,341 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN21 TWX
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
Below average| Latest reading | 27,835 miles |
| Reading date | |
| Average per year | 5,341 |
| Mileage consistency | Consistent |
Check KN21 TWX
- Write-off & insurance claims Experian
- Outstanding finance 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 | KN21 TWX |
| Make | Audi |
| Model | A4 Technik 35 Tdi Mhev S-A |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 T plates
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About KN21 TWX
What car is KN21 TWX?
KN21 TWX is a black Audi A4 Technik 35 Tdi Mhev S-A, diesel (1968cc). First registered in Luton in 2021.
What is the mileage of KN21 TWX?
The last recorded mileage for KN21 TWX was 27,835 miles, recorded on 28 Mar 2025 during its most recent MOT test.
Has KN21 TWX passed its MOT?
KN21 TWX has had 3 MOT tests with a 67% pass rate (2 passes, 1 failure). It last passed on 28 Mar 2025.
Is KN21 TWX ULEZ compliant?
Based on its fuel type and registration year, KN21 TWX is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN21 TWX?
KN21 TWX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.