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 35 Tdi S-A Diesel 1968cc has had 3 MOT tests on record, passing every one. It has 20,826 miles on the clock, averaging 4,493 miles per year, well below the UK average of 7,400.
MOT & Mileage History for KN21 ULD
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
Low mileage| Latest reading | 20,826 miles |
| Reading date | |
| Miles last year | 6,823 |
| Average per year | 4,493 |
| Mileage consistency | Variable |
Check KN21 ULD
- 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 3 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KN21 ULD |
| Make | Audi |
| Model | A3 S Line 35 Tdi 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 U plates
Browse all KN21 U registrations from Luton.
About KN21 ULD
What car is KN21 ULD?
KN21 ULD is a black Audi A3 S Line 35 Tdi S-A, diesel (1968cc). First registered in Luton in 2021.
What is the mileage of KN21 ULD?
The last recorded mileage for KN21 ULD was 20,826 miles, recorded on 28 Apr 2026 during its most recent MOT test.
Has KN21 ULD passed its MOT?
KN21 ULD has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 28 Apr 2026.
Is KN21 ULD ULEZ compliant?
Based on its fuel type and registration year, KN21 ULD 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 ULD?
KN21 ULD is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.