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 2013 Seat Leon Petrol 1395cc has had 13 MOT tests on record, passing 11 and failing 2 (85% pass rate). It has 85,988 miles on the clock, averaging 7,134 miles per year, below the UK average of 7,400. The 1.4 TSI engine is known for cxsa and wastegate actuator rod.
MOT & Mileage History for CM04 ONN
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
Below average| Latest reading | 85,988 miles |
| Reading date | |
| Miles last year | 2 |
| Average per year | 7,134 |
| Mileage consistency | Variable |
Check CM04 ONN
- 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 13 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.
CXSA
Wastegate actuator rod (electric actuator on turbocharger)
Explore more about the Seat Leon
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Vehicle Details
| Registration | CM04 ONN |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1395cc |
| Year | 2013 |
| First registered | |
| Area code | CM — Cardiff, Cymru (Wales) |
| Age identifier | 04 — March 2004 to August 2004 |
More CM04 O plates
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About CM04 ONN
What car is CM04 ONN?
CM04 ONN is a white Seat Leon, petrol (1395cc). First registered in Cardiff in 2013.
What is the mileage of CM04 ONN?
The last recorded mileage for CM04 ONN was 85,988 miles, recorded on 13 Mar 2026 during its most recent MOT test.
Has CM04 ONN passed its MOT?
CM04 ONN has had 13 MOT tests with an 85% pass rate (11 passes, 2 failures). It last passed on 13 Mar 2026.
Is CM04 ONN ULEZ compliant?
Based on its fuel type and registration year, CM04 ONN is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is CM04 ONN?
CM04 ONN is approximately 13 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.