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 2018 Seat Leon Diesel 1598cc has had 6 MOT tests on record, passing 5 and failing once (83% pass rate). It has 79,168 miles on the clock, averaging 13,755 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 GC18 ACJ
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 | 79,168 miles |
| Reading date | |
| Miles last year | 12,917 |
| Average per year | 13,755 |
| Mileage consistency | Consistent |
Check GC18 ACJ
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 6 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.
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Vehicle Details
| Registration | GC18 ACJ |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2018 |
| First registered | |
| Area code | GC — Maidstone, Garden of England |
| Age identifier | 18 — March 2018 to August 2018 |
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About GC18 ACJ
What car is GC18 ACJ?
GC18 ACJ is a blue Seat Leon, diesel (1598cc). First registered in Maidstone in 2018.
What is the mileage of GC18 ACJ?
The last recorded mileage for GC18 ACJ was 79,168 miles, recorded on 9 Jul 2025 during its most recent MOT test.
Has GC18 ACJ passed its MOT?
GC18 ACJ has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 9 Jul 2025.
Is GC18 ACJ ULEZ compliant?
Based on its fuel type and registration year, GC18 ACJ 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 GC18 ACJ?
GC18 ACJ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.