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 2003 Seat Leon Petrol 1781cc has had 28 MOT tests on record, passing 19 and failing 9 (68% pass rate). It has 165,779 miles on the clock, averaging 6,476 miles per year, below the UK average of 7,400.
MOT & Mileage History for BY03 KSY
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 | 165,779 miles |
| Reading date | |
| Miles last year | 1,475 |
| Average per year | 6,476 |
| Mileage consistency | Variable |
Check BY03 KSY
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- Service interval analysis
- Warranty work logged
Full MOT Test History 28 tests on record
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Vehicle Details
| Registration | BY03 KSY |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1781cc |
| Year | 2003 |
| First registered | |
| Area code | BY — Birmingham, Birmingham |
| Age identifier | 03 — March 2003 to August 2003 |
More BY03 K plates
Browse all BY03 K registrations from Birmingham.
About BY03 KSY
What car is BY03 KSY?
BY03 KSY is a silver Seat Leon, petrol (1781cc). First registered in Birmingham in 2003.
What is the mileage of BY03 KSY?
The last recorded mileage for BY03 KSY was 165,779 miles, recorded on 10 Aug 2025 during its most recent MOT test.
Has BY03 KSY passed its MOT?
BY03 KSY has had 28 MOT tests with a 68% pass rate (19 passes, 9 failures). It last passed on 10 Aug 2025.
Is BY03 KSY ULEZ compliant?
Based on its fuel type and registration year, BY03 KSY is likely not ULEZ compliant. As a petrol vehicle registered in 2003, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is BY03 KSY?
BY03 KSY is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.