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 1968cc has had 9 MOT tests on record, passing 7 and failing 2 (78% pass rate). It has 84,749 miles on the clock, averaging 8,781 miles per year, around the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for CV66 EFZ
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
About average| Latest reading | 84,749 miles |
| Reading date | |
| Miles last year | 8,842 |
| Average per year | 8,781 |
| Mileage consistency | Consistent |
Check CV66 EFZ
- 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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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
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Vehicle Details
| Registration | CV66 EFZ |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2016 |
| First registered | |
| Area code | CV — Swansea, Cymru (Wales) |
| Age identifier | 66 — September 2016 to February 2017 |
More CV66 E plates
Browse all CV66 E registrations from Swansea.
About CV66 EFZ
What car is CV66 EFZ?
CV66 EFZ is a blue Seat Leon, diesel (1968cc). First registered in Swansea in 2016.
What is the mileage of CV66 EFZ?
The last recorded mileage for CV66 EFZ was 84,749 miles, recorded on 9 Dec 2025 during its most recent MOT test.
Has CV66 EFZ passed its MOT?
CV66 EFZ has had 9 MOT tests with a 78% pass rate (7 passes, 2 failures). It last passed on 9 Dec 2025.
Is CV66 EFZ ULEZ compliant?
Based on its fuel type and registration year, CV66 EFZ 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 CV66 EFZ?
CV66 EFZ is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.