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 2020 Seat Leon Diesel 1598cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 71,270 miles on the clock, averaging 10,222 miles per year, above the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for KM20 BWY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Above average| Latest reading | 71,270 miles |
| Reading date | |
| Miles last year | 6,160 |
| Average per year | 10,222 |
| Mileage consistency | Consistent |
Check KM20 BWY
- 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 4 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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
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Vehicle Details
| Registration | KM20 BWY |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2020 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 20 — March 2020 to August 2020 |
More KM20 B plates
Browse all KM20 B registrations from Luton.
About KM20 BWY
What car is KM20 BWY?
KM20 BWY is a white Seat Leon, diesel (1598cc). First registered in Luton in 2020.
What is the mileage of KM20 BWY?
The last recorded mileage for KM20 BWY was 71,270 miles, recorded on 20 Oct 2025 during its most recent MOT test.
Has KM20 BWY passed its MOT?
KM20 BWY has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 20 Oct 2025.
Is KM20 BWY ULEZ compliant?
Based on its fuel type and registration year, KM20 BWY is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KM20 BWY?
KM20 BWY is approximately 6 years old. Age identifier 20 means registered between 1 March 2020 and 31 August 2020.