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 9 MOT tests on record, passing 7 and failing 2 (78% pass rate). It has 140,526 miles on the clock, averaging 15,432 miles per year, above the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for YA66 DZX
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 | 140,526 miles |
| Reading date | |
| Miles last year | 14,290 |
| Average per year | 15,432 |
| Mileage consistency | Variable |
Check YA66 DZX
- 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 9 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.
Explore more about the Seat Leon
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Vehicle Details
| Registration | YA66 DZX |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2016 |
| First registered | |
| Area code | YA — Leeds, Yorkshire |
| Age identifier | 66 — September 2016 to February 2017 |
More YA66 D plates
Browse all YA66 D registrations from Leeds.
About YA66 DZX
What car is YA66 DZX?
YA66 DZX is a blue Seat Leon, diesel (1598cc). First registered in Leeds in 2016.
What is the mileage of YA66 DZX?
The last recorded mileage for YA66 DZX was 140,526 miles, recorded on 20 Sep 2025 during its most recent MOT test.
Has YA66 DZX passed its MOT?
YA66 DZX has had 9 MOT tests with a 78% pass rate (7 passes, 2 failures). It last passed on 20 Sep 2025.
Is YA66 DZX ULEZ compliant?
Based on its fuel type and registration year, YA66 DZX 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 YA66 DZX?
YA66 DZX is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.