2018 SEAT Leon 1.4L Petrol · AJ18 ONM
2018 SEAT Leon (1.4L, petrol). First registered 01 Aug 2018. Recorded mileage 89,751 miles. MOT expired on 31 Jul 2026.
- Make & Model
- SEAT LEON
- Year / Origin
- 2018 · Peterborough
- Safety Recall
- Unknown
- MOT Status
- Expired on 31 Jul 2026
- Road Tax
- —
- Recorded Mileage
- 89,751 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 1.4L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
AJ18 ONM Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 28/07/2025
- 89,751 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
AJ18 ONM MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2018 Seat Leon (AJ18 ONM) between July 2023 and July 2025.
The record contains 3 passes and 2 failures.
The most recent test on 28 July 2025 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
AJ18 ONM Mileage History
- 24/07/202364,345 mi
- 24/07/202364,345 mi
- 31/07/202476,489 mi+12,144 mi
- 31/07/202476,489 mi
- 28/07/202589,751 mi+13,262 mi
Average of roughly 12,626 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for SEAT SEAT Leon Mk3 (5F)
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Below Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Digital Service History
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SEAT LEON Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2018 model year cars.
- LED Headlight FailureModerate
Individual LEDs or the control board fail. The units are sealed and must be replaced entirely.
- Water Pump / Thermostat LeakModerate
Plastic housing cracks or the seal fails, leading to coolant loss.
- Silica Bag Failure (Coolant System)Serious
A silica bag in the coolant expansion tank can split, clogging the heater matrix and radiator.
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