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 7 and failing once (88% pass rate). It has 138,780 miles on the clock, averaging 15,310 miles per year, above the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for OY17 GNN
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 | 138,780 miles |
| Reading date | |
| Miles last year | 24,198 |
| Average per year | 15,310 |
| Mileage consistency | Variable |
Check OY17 GNN
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- 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
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Vehicle Details
| Registration | OY17 GNN |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2017 |
| First registered | |
| Area code | OY — Oxford, Oxford |
| Age identifier | 17 — March 2017 to August 2017 |
More OY17 G plates
Browse all OY17 G registrations from Oxford.
About OY17 GNN
What car is OY17 GNN?
OY17 GNN is an blue Seat Leon, diesel (1968cc). First registered in Oxford in 2017.
What is the mileage of OY17 GNN?
The last recorded mileage for OY17 GNN was 138,780 miles, recorded on 11 Mar 2026 during its most recent MOT test.
Has OY17 GNN passed its MOT?
OY17 GNN has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 11 Mar 2026.
Is OY17 GNN ULEZ compliant?
Based on its fuel type and registration year, OY17 GNN 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 OY17 GNN?
OY17 GNN is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.