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 Citroen C5 Diesel 1997cc has had 12 MOT tests on record, passing 6 and failing 6 (50% pass rate). It has 174,330 miles on the clock, averaging 11,960 miles per year, above the UK average of 7,400.
MOT & Mileage History for NX51 XNN
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
Above average| Latest reading | 174,330 miles |
| Reading date | |
| Miles last year | 209 |
| Average per year | 11,960 |
| Mileage consistency | Variable |
Check NX51 XNN
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- Warranty work logged
Full MOT Test History 12 tests on record
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Vehicle Details
| Registration | NX51 XNN |
| Make | Citroen |
| Model | C5 |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1997cc |
| Year | 2001 |
| First registered | |
| Area code | NX — Stockton, North |
| Age identifier | 51 — September 2001 to February 2002 |
More NX51 X plates
Browse all NX51 X registrations from Stockton.
About NX51 XNN
What car is NX51 XNN?
NX51 XNN is an blue Citroen C5, diesel (1997cc). First registered in Stockton in 2001.
What is the mileage of NX51 XNN?
The last recorded mileage for NX51 XNN was 174,330 miles, recorded on 5 Oct 2011 during its most recent MOT test.
Has NX51 XNN passed its MOT?
NX51 XNN has had 12 MOT tests with a 50% pass rate (6 passes, 6 failures). It last passed on 5 Oct 2011.
Is NX51 XNN ULEZ compliant?
Based on its fuel type and registration year, NX51 XNN is likely not ULEZ compliant. As a diesel vehicle registered in 2001, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is NX51 XNN?
NX51 XNN is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.