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 2018 Seat Leon Diesel 1968cc has had 6 MOT tests on record, passing every one. It has 35,034 miles on the clock, averaging 4,973 miles per year, well below the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for NU18 KJJ
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 | 35,034 miles |
| Reading date | |
| Miles last year | 3,390 |
| Average per year | 4,973 |
| Mileage consistency | Consistent |
Check NU18 KJJ
- 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 6 tests on record
Similar cars to consider
Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
Reported issues for this Seat Leon
These are the most commonly reported problems on Seat Leon models (2012–2020), based on owner reports and workshop data across the UK.
CRLB
EGR Valve
Clogs quickly with soot/carbon deposits.
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | NU18 KJJ |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2018 |
| First registered | |
| Area code | NU — Stockton, North |
| Age identifier | 18 — March 2018 to August 2018 |
More NU18 K plates
Browse all NU18 K registrations from Stockton.
About NU18 KJJ
What car is NU18 KJJ?
NU18 KJJ is an black Seat Leon, diesel (1968cc). First registered in Stockton in 2018.
What is the mileage of NU18 KJJ?
The last recorded mileage for NU18 KJJ was 35,034 miles, recorded on 31 Mar 2026 during its most recent MOT test.
Has NU18 KJJ passed its MOT?
NU18 KJJ has had 6 MOT tests with an 100% pass rate (6 passes, 0 failures). It last passed on 31 Mar 2026.
Is NU18 KJJ ULEZ compliant?
Based on its fuel type and registration year, NU18 KJJ 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 NU18 KJJ?
NU18 KJJ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.