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 Ford Focus St-Line X Edition Mhev Petrol 999cc has had 3 MOT tests on record, passing every one. It has 23,006 miles on the clock, averaging 3,115 miles per year, well below the UK average of 7,400.
MOT & Mileage History for YS21 ONX
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
Low mileage| Latest reading | 23,006 miles |
| Reading date | |
| Miles last year | 2,752 |
| Average per year | 3,115 |
| Mileage consistency | Consistent |
Check YS21 ONX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 3 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | YS21 ONX |
| Make | Ford |
| Model | Focus St-Line X Edition Mhev |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | YS — Sheffield, Yorkshire |
| Age identifier | 21 — March 2021 to August 2021 |
More YS21 O plates
Browse all YS21 O registrations from Sheffield.
About YS21 ONX
What car is YS21 ONX?
YS21 ONX is a blue Ford Focus St-Line X Edition Mhev, petrol (999cc). First registered in Sheffield in 2021.
What is the mileage of YS21 ONX?
The last recorded mileage for YS21 ONX was 23,006 miles, recorded on 24 Feb 2026 during its most recent MOT test.
Has YS21 ONX passed its MOT?
YS21 ONX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 24 Feb 2026.
Is YS21 ONX ULEZ compliant?
Based on its fuel type and registration year, YS21 ONX 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 YS21 ONX?
YS21 ONX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.