2018 SEAT Leon 1.6L Diesel · KX18 UBV
2018 SEAT Leon (1.6L, diesel). First registered 09 Mar 2018. Recorded mileage 146,064 miles. MOT valid until 22 Mar 2027.
- Make & Model
- SEAT LEON
- Year / Origin
- 2018 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Valid until 22 Mar 2027
- Road Tax
- —
- Recorded Mileage
- 146,064 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.6L
- Reliability Guide
- Common Faults
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KX18 UBV Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 20/03/2026
- 146,064 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
KX18 UBV 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 (KX18 UBV) between March 2023 and March 2026.
The record contains 5 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
KX18 UBV Mileage History
- 03/03/202398,459 mi
- 23/03/202399,440 mi+981 mi
- 26/02/2024121,595 mi+22,155 mi
- 19/03/2025133,503 mi+11,908 mi
- 20/03/2026146,064 mi+12,561 mi
Average of roughly 15,623 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: Good
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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