2012 SEAT Leon 1.6L Diesel · NA12 XJM
2012 SEAT Leon (1.6L, diesel). First registered 01 May 2012. Recorded mileage 133,374 miles. MOT valid until 01 Dec 2026. Taxed until 01 May 2027.
- Make & Model
- SEAT LEON
- Year / Origin
- 2012 · Newcastle
- Safety Recall
- Unknown
- MOT Status
- Valid until 01 Dec 2026
- Road Tax
- Taxed (01 May 2027)
- Recorded Mileage
- 133,374 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- DIESEL · 1.6L
- 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.
NA12 XJM Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 29/11/2025
- 133,374 miles recorded at latest MOT
- 2 historical MOT failures
- 4 defects noted at the latest MOT
- Recurring suspension items (5 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
NA12 XJM 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 2012 Seat Leon (NA12 XJM) between November 2023 and November 2025.
The record contains 3 passes and 2 failures.
The most recent test on 29 November 2025 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Suspension (5 issues), Lighting (4 issues). 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: “Offside Headlamp aim too high (4.1.2 (a))”; “Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i))”.
NA12 XJM Mileage History
- 23/11/2023110,629 mi
- 28/11/2024122,487 mi+11,858 mi
- 28/11/2024122,487 mi
- 27/11/2025133,316 mi+10,829 mi
- 29/11/2025133,374 mi+58 mi
Average of roughly 11,272 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Digital Service History
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Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
Exercise caution before purchasing this
Prioritise a thorough inspection of the vehicle's underside. The most recent MOT history (November 2025) explicitly notes corrosion on the nearside rear suspension arm, offside rear suspension arm, and the rear sub-frame. You should check if these areas have been treated or if the corrosion is progressing, as sub-frame issues can become major structural repairs if left unaddressed.
Additionally, given the history of worn anti-roll bar joints and suspension arm bushes (recorded in 2023 and 2024), ask for evidence of recent suspension work. Negotiate the price downwards to account for the potential upcoming cost of addressing the reported corrosion and ensuring the vehicle remains roadworthy.
As a 1.6L diesel, this Leon is designed for higher mileage efficiency. Fuel economy should be relatively competitive for a diesel hatchback of this era. Tax and insurance groups for a 2012 1.6 TDI typically fall into mid-range brackets, making it a common choice for commuters.
However, maintenance costs may be higher than average due to the recurring suspension and lighting issues noted in the MOT history. Expect to budget for periodic replacement of suspension components and bulb maintenance. The estimated annual running cost is approximately £1,200-£1,500, depending heavily on fuel usage and the severity of the reported corrosion repairs.
Focus heavily on the chassis and suspension components. Specifically, inspect the rear sub-frame and both rear suspension arms for signs of surface rust versus structural decay, following the advisories from the November 2025 MOT. The history of 'excessively worn' anti-roll bar joints in 2024 suggests the suspension system is a frequent area of failure for this specific car.
Check all exterior lighting, particularly the registration plate lamps and headlamp aim, as these have caused failures or advisories in multiple years (2023, 2024, and 2025). Finally, ensure the front registration plate is securely mounted, as this was a recorded defect in the most recent test.
This 2012 SEAT Leon 1.6 TDI has covered 133,374 miles since its first registration in May 2012. The MOT history shows a pattern of suspension-related wear and, most notably, recent corrosion on the rear suspension arms and sub-frame. While it passed its November 2025 test, the presence of multiple corrosion advisories suggests ongoing maintenance requirements.
Aggregate data for this model shows an 82.5% MOT pass rate, with common failure points including headlamps, brake discs, and coil springs.
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
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