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2017 SEAT Leon 1.6L Diesel · BL17 AEJ

BL17 AEJ

2017 SEAT Leon (1.6L, diesel). First registered 23 Aug 2017. Recorded mileage 51,398 miles. MOT valid until 14 Feb 2027.

Make & Model
SEAT LEON
Year / Origin
2017 · Birmingham
Safety Recall
Unknown
MOT Status
Valid until 14 Feb 2027
Road Tax
—
Recorded Mileage
51,398 mi
ULEZ Compliance
ULEZ Compliant (Euro 6 Diesel)
Fuel & Engine
Diesel · 1.6L
Reliability Guide
Common Faults
MOT Status
Valid
Valid until 14 Feb 2027
Tax Status
Checking...
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Fuel Type
Diesel
Year
2017
Engine
1598cc
Mechanical Assessment

AI-generated interpretation of this vehicle’s MOT record — not an official statement and not a substitute for an independent inspection.

The 2017 SEAT LEON demonstrates stable roadworthiness based on its most recent MOT on 2026-02-09 at 51,398 miles, which recorded a pass with no defects. The maintenance trend shows consistency since 2023, with no recurring mechanical issues flagged across four consecutive tests. However, the 2025-02-05 test recorded a failure at the same mileage as a prior pass, raising questions about data accuracy or potential oversights. No structural, braking, or suspension defects were noted in the valid tests, suggesting the vehicle has been maintained to acceptable standards. The vehicle’s mileage of 51,398 miles over nine years equates to approximately 5,711 miles annually, significantly below the UK average for its age. This low usage may indicate infrequent driving or prolonged periods of inactivity, which can accelerate wear on components like batteries, fluids, and rubber seals. The MOT history shows gradual mileage increases, with gaps of 2,382 miles between 2023-05-10 (46,063 miles) and 2024-02-15 (46,679 miles), followed by 2,343 miles to 2025-02-05 (49,016 miles). These increments suggest regular but light usage, though the lack of detailed defect reports limits insight into component wear. A buyer should verify the absence of hidden issues despite the clean MOT record. Inspect the suspension for worn bushes or coil springs, which may degrade without frequent use. Check the exhaust system for corrosion, as low-mileage vehicles are prone to rust in damp conditions. Confirm the brake discs and calipers show no signs of uneven wear or binding, as these can develop during inactivity. Additionally, review the vehicle’s service history to ensure fluid changes and battery health align with its low-mileage profile. The MOT data implies competent upkeep, but physical inspection remains critical to confirm structural integrity and mechanical reliability.
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BL17 AEJ Key Findings

  • 5 MOT tests recorded
  • Latest MOT passed on 09/02/2026
  • 51,398 miles recorded at latest MOT
  • 1 historical MOT failure
  • 7 defects noted at the latest MOT
  • Recurring brakes items (5 mentions)

Derived directly from the recorded DVSA and DVLA data shown on this page.

Updating live data

BL17 AEJ MOT History

Vehicle record last updated: 25 Sept 2026, 04:34
MOT Analysis

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 2017 Seat Leon (BL17 AEJ) between May 2023 and February 2026.

The record contains 4 passes and 1 failure.

The most recent test on 09 February 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.

Across all tests, the most frequently flagged areas are: Brakes (5 issues), Tyres (3 issues), Windscreen (1 issue), Steering (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.

In total 10 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.

Recorded failure items include: “Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))”.

PASS
FAIL
ADVISORY

BL17 AEJ Mileage History

  1. 10/05/202346,063 mi
  2. 15/02/202446,679 mi+616 mi
  3. 05/02/202549,016 mi+2,337 mi
  4. 05/02/202549,016 mi
  5. 09/02/202651,398 mi+2,382 mi

Average of roughly 1,937 miles per year across 5 recorded odometer readings.

Technical Specifications

ULEZ Compliant

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MOT Roadworthiness Analysis
83
/ 100 · Good
DVSA Test Records Evaluated

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.

✓ Valid MOT
! Tax Status Unknown
✓ Good MOT pass rate (80%)
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9 Key Registers

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OUTSTANDING FINANCE

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INSURANCE WRITE-OFF

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POLICE STOLEN (PNC)

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SALVAGE & AUCTION

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IMPORTED RECORD

Import Register

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EXPORTED MARKER

Export Register

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SCRAPPED RECORD

Scrappage Register

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CERTIFICATE OF DESTRUCTION

Statutory CoD

Confirms whether a statutory Certificate of Destruction has been issued against this chassis.

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V5C LOGBOOK & KEEPERS

DVLA Master

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Buyer's Guide & Inspection Advisory

Expert automotive synthesis from historical MOT defect records and market benchmarks.

Buying Score
88/100
Risk Level
Low
Low
Est. Annual Cost
£900-£1,200
Mileage
At 51,398 miles, this vehicle is well be...

Our Verdict

A highly recommended low-mileage diesel that offers excellent value and a remarkably clean maintenance record. It is a sensible choice for long-distance drivers seeking reliability and low monthly running costs.

When inspecting this specific Leon, your priority should be the service history. Given the 1.6cc diesel engine, ensure that the oil changes have been performed strictly to schedule to protect the Diesel Particulate Filter (DPF). At the low mileage, check if the car has been used for short city trips, which can lead to clogged filters.

Check the condition of the black paintwork, as this can show swirl marks easily, but since the car passed its most recent MOT in February 2026 with no defects, the mechanical health appears robust. Ask the owner for receipts relating to any work following the February 2025 failure.

The 1.6L diesel engine is designed for efficiency, making this Leon ideal for those with high annual mileage. You can expect competitive fuel economy compared to petrol counterparts. The tax band for this model year is typically reasonable, and insurance groups usually fall into a mid-range bracket, though this will vary by driver profile.

Maintenance costs for the SEAT Leon are generally predictable as it shares components with Volkswagen Group siblings. Given the low mileage, you should face less frequent expenditure on items like brake pads and tyres compared to higher mileage examples.

While the MOT history shows no recorded defects in the most recent test, you should verify what the February 2025 failure at 49,016 miles was. Even if it was passed immediately, knowing if it was a simple item like a bulb or a blade provides insight into the owner's attention to detail.

Inspect the tyres for uneven wear which could indicate alignment issues, and because it is a diesel, check for any signs of oil leaks around the engine bay. Ensure the black trim hasn't suffered from fading common on older plastics.

This 2017 SEAT LEON features a 1.6L diesel engine and has covered just 51,398 miles over its nearly nine-year life. This mileage is significantly below the national average for a vehicle of this age. The MOT history is exceptionally clean, with only one minor failure in early 2025 that was immediately rectified without further defects, suggesting a car that has been well-maintained.

The SEAT Leon platform is generally considered reliable, benefiting from proven Volkswagen Group engineering in the 1.6cc diesel range.

Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.

Data Sources

DVSA

Official MOT test logs & failure reasons

DVLA

Tax, registration & powertrain specs

Experian

Finance, stolen markers & total loss

AI Analysis

Historical fault & advisory patterns