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 2016 Seat Leon Diesel 1598cc has had 7 MOT tests on record, passing every one. It has 79,051 miles on the clock, averaging 6,036 miles per year, below the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for EX66 AYF
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 | 79,051 miles |
| Reading date | |
| Miles last year | 3,175 |
| Average per year | 6,036 |
| Mileage consistency | Consistent |
Check EX66 AYF
- 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 7 tests on record
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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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
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Vehicle Details
| Registration | EX66 AYF |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2016 |
| First registered | |
| Area code | EX — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More EX66 A plates
Browse all EX66 A registrations from Chelmsford.
About EX66 AYF
What car is EX66 AYF?
EX66 AYF is an grey Seat Leon, diesel (1598cc). First registered in Chelmsford in 2016.
What is the mileage of EX66 AYF?
The last recorded mileage for EX66 AYF was 79,051 miles, recorded on 4 Sep 2025 during its most recent MOT test.
Has EX66 AYF passed its MOT?
EX66 AYF has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 4 Sep 2025.
Is EX66 AYF ULEZ compliant?
Based on its fuel type and registration year, EX66 AYF 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 EX66 AYF?
EX66 AYF is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.