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 2015 Seat Leon Diesel 1598cc has had 12 MOT tests on record, passing 9 and failing 3 (75% pass rate). It has 89,059 miles on the clock, averaging 6,369 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 CU15 UDK
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 | 89,059 miles |
| Reading date | |
| Average per year | 6,369 |
| Mileage consistency | Consistent |
Check CU15 UDK
- 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 12 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 | CU15 UDK |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2015 |
| First registered | |
| Area code | CU — Swansea, Cymru (Wales) |
| Age identifier | 15 — March 2015 to August 2015 |
More CU15 U plates
Browse all CU15 U registrations from Swansea.
About CU15 UDK
What car is CU15 UDK?
CU15 UDK is a grey Seat Leon, diesel (1598cc). First registered in Swansea in 2015.
What is the mileage of CU15 UDK?
The last recorded mileage for CU15 UDK was 89,059 miles, recorded on 22 Dec 2025 during its most recent MOT test.
Has CU15 UDK passed its MOT?
CU15 UDK has had 12 MOT tests with a 75% pass rate (9 passes, 3 failures). It last passed on 22 Dec 2025.
Is CU15 UDK ULEZ compliant?
Based on its fuel type and registration year, CU15 UDK is likely not ULEZ compliant. As a diesel vehicle registered in 2015, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is CU15 UDK?
CU15 UDK is approximately 11 years old. Age identifier 15 means registered between 1 March 2015 and 31 August 2015.