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 2017 Seat Leon Diesel 1968cc has had 8 MOT tests on record, passing 6 and failing 2 (75% pass rate). It has 84,007 miles on the clock, averaging 7,836 miles per year, around the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for YJ66 RTW
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
About average| Latest reading | 84,007 miles |
| Reading date | |
| Miles last year | 1,117 |
| Average per year | 7,836 |
| Mileage consistency | Consistent |
Check YJ66 RTW
- 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 8 tests on record
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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.
CRLB
EGR Valve
Clogs quickly with soot/carbon deposits.
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | YJ66 RTW |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2017 |
| First registered | |
| Area code | YJ — Leeds, Yorkshire |
| Age identifier | 66 — September 2016 to February 2017 |
More YJ66 R plates
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About YJ66 RTW
What car is YJ66 RTW?
YJ66 RTW is a black Seat Leon, diesel (1968cc). First registered in Leeds in 2017.
What is the mileage of YJ66 RTW?
The last recorded mileage for YJ66 RTW was 84,007 miles, recorded on 29 Jan 2026 during its most recent MOT test.
Has YJ66 RTW passed its MOT?
YJ66 RTW has had 8 MOT tests with a 75% pass rate (6 passes, 2 failures). It last passed on 29 Jan 2026.
Is YJ66 RTW ULEZ compliant?
Based on its fuel type and registration year, YJ66 RTW 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 YJ66 RTW?
YJ66 RTW is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.