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 2017 Seat Leon Diesel 1968cc has had 9 MOT tests on record, passing 7 and failing 2 (78% pass rate). It has 82,172 miles on the clock, averaging 11,846 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 CJ17 TWX
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
Above average| Latest reading | 82,172 miles |
| Reading date | |
| Miles last year | 11 |
| Average per year | 11,846 |
| Mileage consistency | Variable |
Check CJ17 TWX
- 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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CJ17 TWX |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2017 |
| First registered | |
| Area code | CJ — Cardiff, Cymru (Wales) |
| Age identifier | 17 — March 2017 to August 2017 |
More CJ17 T plates
Browse all CJ17 T registrations from Cardiff.
About CJ17 TWX
What car is CJ17 TWX?
CJ17 TWX is a grey Seat Leon, diesel (1968cc). First registered in Cardiff in 2017.
What is the mileage of CJ17 TWX?
The last recorded mileage for CJ17 TWX was 82,172 miles, recorded on 18 Nov 2025 during its most recent MOT test.
Has CJ17 TWX passed its MOT?
CJ17 TWX has had 9 MOT tests with a 78% pass rate (7 passes, 2 failures). It last passed on 18 Nov 2025.
Is CJ17 TWX ULEZ compliant?
Based on its fuel type and registration year, CJ17 TWX 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 CJ17 TWX?
CJ17 TWX is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.