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 2001 Kia Rio Petrol 1343cc has had 12 MOT tests on record, passing 7 and failing 5 (58% pass rate). It has 52,834 miles on the clock, averaging 3,615 miles per year, well below the UK average of 7,400.
MOT & Mileage History for NX51 BYF
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 52,834 miles |
| Reading date | |
| Miles last year | 162 |
| Average per year | 3,615 |
| Mileage consistency | Variable |
Check NX51 BYF
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 12 tests on record
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Vehicle Details
| Registration | NX51 BYF |
| Make | Kia |
| Model | Rio |
| Colour | Beige |
| Fuel type | Petrol |
| Engine | 1343cc |
| Year | 2001 |
| First registered | |
| Area code | NX — Stockton, North |
| Age identifier | 51 — September 2001 to February 2002 |
More NX51 B plates
Browse all NX51 B registrations from Stockton.
About NX51 BYF
What car is NX51 BYF?
NX51 BYF is an beige Kia Rio, petrol (1343cc). First registered in Stockton in 2001.
What is the mileage of NX51 BYF?
The last recorded mileage for NX51 BYF was 52,834 miles, recorded on 10 Apr 2014 during its most recent MOT test.
Has NX51 BYF passed its MOT?
NX51 BYF has had 12 MOT tests with a 58% pass rate (7 passes, 5 failures). It last passed on 10 Apr 2014.
Is NX51 BYF ULEZ compliant?
Based on its fuel type and registration year, NX51 BYF is likely not ULEZ compliant. As a petrol vehicle registered in 2001, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is NX51 BYF?
NX51 BYF is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.