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 Rio Petrol 1197cc has had 5 MOT tests on record, passing 3 and failing 2 (60% pass rate). It has 38,326 miles on the clock, averaging 6,582 miles per year, below the UK average of 7,400.
MOT & Mileage History for EF21 KNN
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
Below average| Latest reading | 38,326 miles |
| Reading date | |
| Miles last year | 5,383 |
| Average per year | 6,582 |
| Mileage consistency | Consistent |
Check EF21 KNN
- 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 5 tests on record
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Vehicle Details
| Registration | EF21 KNN |
| Make | Kia |
| Model | Rio |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1197cc |
| Year | 2021 |
| First registered | |
| Area code | EF — Chelmsford, Essex |
| Age identifier | 21 — March 2021 to August 2021 |
More EF21 K plates
Browse all EF21 K registrations from Chelmsford.
About EF21 KNN
What car is EF21 KNN?
EF21 KNN is an white Kia Rio, petrol (1197cc). First registered in Chelmsford in 2021.
What is the mileage of EF21 KNN?
The last recorded mileage for EF21 KNN was 38,326 miles, recorded on 29 Jun 2026 during its most recent MOT test.
Has EF21 KNN passed its MOT?
EF21 KNN has had 5 MOT tests with a 60% pass rate (3 passes, 2 failures). It last passed on 29 Jun 2026.
Is EF21 KNN ULEZ compliant?
Based on its fuel type and registration year, EF21 KNN 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 EF21 KNN?
EF21 KNN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.