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 Kia Niro Hybrid Electric (Clean) 1580cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 34,959 miles on the clock, averaging 5,976 miles per year, below the UK average of 7,400.
MOT & Mileage History for KN21 BUF
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
Below average| Latest reading | 34,959 miles |
| Reading date | |
| Miles last year | 216 |
| Average per year | 5,976 |
| Mileage consistency | Consistent |
Check KN21 BUF
- 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 BUF |
| Make | Kia |
| Model | Niro |
| Colour | Blue |
| Fuel type | Hybrid Electric (Clean) |
| Engine | 1580cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
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About KN21 BUF
What car is KN21 BUF?
KN21 BUF is a blue Kia Niro, hybrid electric (clean) (1580cc). First registered in Luton in 2021.
What is the mileage of KN21 BUF?
The last recorded mileage for KN21 BUF was 34,959 miles, recorded on 29 May 2026 during its most recent MOT test.
Has KN21 BUF passed its MOT?
KN21 BUF has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 29 May 2026.
Is KN21 BUF ULEZ compliant?
Based on its fuel type and registration year, KN21 BUF is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN21 BUF?
KN21 BUF is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.