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 Petrol 1197cc has had 9 MOT tests on record, passing 8 and failing once (89% pass rate). It has 43,088 miles on the clock, averaging 3,766 miles per year, well below the UK average of 7,400. The 1.2 TSI engine is known for cbzb.
MOT & Mileage History for GM17 THZ
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
Low mileage| Latest reading | 43,088 miles |
| Reading date | |
| Miles last year | 3,069 |
| Average per year | 3,766 |
| Mileage consistency | Consistent |
Check GM17 THZ
- 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 9 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.
CBZB
Explore more about the Seat Leon
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Vehicle Details
| Registration | GM17 THZ |
| Make | Seat |
| Model | Leon |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1197cc |
| Year | 2017 |
| First registered | |
| Area code | GM — Maidstone, Garden of England |
| Age identifier | 17 — March 2017 to August 2017 |
More GM17 T plates
Browse all GM17 T registrations from Maidstone.
About GM17 THZ
What car is GM17 THZ?
GM17 THZ is a white Seat Leon, petrol (1197cc). First registered in Maidstone in 2017.
What is the mileage of GM17 THZ?
The last recorded mileage for GM17 THZ was 43,088 miles, recorded on 7 Jul 2026 during its most recent MOT test.
Has GM17 THZ passed its MOT?
GM17 THZ has had 9 MOT tests with an 89% pass rate (8 passes, 1 failure). It last passed on 7 Jul 2026.
Is GM17 THZ ULEZ compliant?
Based on its fuel type and registration year, GM17 THZ 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 GM17 THZ?
GM17 THZ is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.