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 Petrol 999cc has had 5 MOT tests on record, passing 3 and failing 2 (60% pass rate). It has 53,417 miles on the clock, averaging 5,139 miles per year, below the UK average of 7,400.
MOT & Mileage History for HS21 KOU
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 | 53,417 miles |
| Reading date | |
| Miles last year | 2,862 |
| Average per year | 5,139 |
| Mileage consistency | Consistent |
Check HS21 KOU
- 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 | HS21 KOU |
| Make | Seat |
| Model | Arona Fr Ecotsi |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | HS — Portsmouth, Hampshire and Dorset |
| Age identifier | 21 — March 2021 to August 2021 |
More HS21 K plates
Browse all HS21 K registrations from Portsmouth.
About HS21 KOU
What car is HS21 KOU?
HS21 KOU is an silver Seat Arona Fr Ecotsi, petrol (999cc). First registered in Portsmouth in 2021.
What is the mileage of HS21 KOU?
The last recorded mileage for HS21 KOU was 53,417 miles, recorded on 29 Aug 2025 during its most recent MOT test.
Has HS21 KOU passed its MOT?
HS21 KOU has had 5 MOT tests with a 60% pass rate (3 passes, 2 failures). It last passed on 29 Aug 2025.
Is HS21 KOU ULEZ compliant?
Based on its fuel type and registration year, HS21 KOU 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 HS21 KOU?
HS21 KOU is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.