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 2021 Seat Arona Fr Ecotsi S-A Petrol 999cc has had 5 MOT tests on record, passing 3 and failing 2 (60% pass rate). It has 40,035 miles on the clock, averaging 6,586 miles per year, below the UK average of 7,400.
MOT & Mileage History for CL21 UBO
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 | 40,035 miles |
| Reading date | |
| Miles last year | 5,317 |
| Average per year | 6,586 |
| Mileage consistency | Consistent |
Check CL21 UBO
- 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 5 tests on record
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Vehicle Details
| Registration | CL21 UBO |
| Make | Seat |
| Model | Arona Fr Ecotsi S-A |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | CL — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CL21 U plates
Browse all CL21 U registrations from Cardiff.
About CL21 UBO
What car is CL21 UBO?
CL21 UBO is a red Seat Arona Fr Ecotsi S-A, petrol (999cc). First registered in Cardiff in 2021.
What is the mileage of CL21 UBO?
The last recorded mileage for CL21 UBO was 40,035 miles, recorded on 23 Mar 2026 during its most recent MOT test.
Has CL21 UBO passed its MOT?
CL21 UBO has had 5 MOT tests with a 60% pass rate (3 passes, 2 failures). It last passed on 23 Mar 2026.
Is CL21 UBO ULEZ compliant?
Based on its fuel type and registration year, CL21 UBO 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 CL21 UBO?
CL21 UBO is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.