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 5 MOT tests on record, passing every one. It has 102,145 miles on the clock, averaging 10,170 miles per year, above the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for AJ18 ONF
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
Above average| Latest reading | 102,145 miles |
| Reading date | |
| Miles last year | 8,137 |
| Average per year | 10,170 |
| Mileage consistency | Variable |
Check AJ18 ONF
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- 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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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.
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Vehicle Details
| Registration | AJ18 ONF |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2018 |
| First registered | |
| Area code | AJ — Peterborough, Anglia |
| Age identifier | 18 — March 2018 to August 2018 |
More AJ18 O plates
Browse all AJ18 O registrations from Peterborough.
About AJ18 ONF
What car is AJ18 ONF?
AJ18 ONF is an blue Seat Leon, diesel (1968cc). First registered in Peterborough in 2018.
What is the mileage of AJ18 ONF?
The last recorded mileage for AJ18 ONF was 102,145 miles, recorded on 4 Mar 2026 during its most recent MOT test.
Has AJ18 ONF passed its MOT?
AJ18 ONF has had 5 MOT tests with an 100% pass rate (5 passes, 0 failures). It last passed on 4 Mar 2026.
Is AJ18 ONF ULEZ compliant?
Based on its fuel type and registration year, AJ18 ONF 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 AJ18 ONF?
AJ18 ONF is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.