2004 Subaru Legacy 3.0L Petrol · NU54 AHN
2004 Subaru Legacy (3.0L, petrol). First registered 23 Sept 2004. Recorded mileage 185,791 miles. MOT valid until 10 Feb 2027.
- Make & Model
- SUBARU LEGACY
- Year / Origin
- 2004 · Stockton-on-Tees
- Safety Recall
- Unknown
- MOT Status
- Valid until 10 Feb 2027
- Road Tax
- —
- Recorded Mileage
- 185,791 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.0L
- 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.
NU54 AHN Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 11/02/2026
- 185,791 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
NU54 AHN 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 2004 Subaru Legacy (NU54 AHN) between August 2022 and February 2026.
The record contains 4 passes and 1 failure.
The most recent test on 11 February 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
NU54 AHN Mileage History
- 12/08/2022176,126 mi
- 12/08/2022176,126 mi
- 03/08/2023179,542 mi+3,416 mi
- 26/09/2024182,276 mi+2,734 mi
- 11/02/2026185,791 mi+3,515 mi
Average of roughly 2,760 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 Subaru Subaru Legacy Mk4 (BL/BP)
Our database tracks 3 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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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SUBARU LEGACY 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 2004 model year cars.
- EJ25 Naturally Aspirated Head Gasket Seepage and FailureSerious
The single-overhead-cam 2.5-litre petrol boxer engine (EJ253) uses single-layer cylinder head gaskets that degrade over time and mileage. Between 80,000 and 120,000 miles, external weeping of oil and engine coolant develops at the lower block-to-head mating surfaces. If left unresolved, the breach allows combustion gases to enter the cooling jacket, causing coolant loss, overheating, warped cylinder heads, and heater matrix airlocks. Rectification requires engine removal, cylinder head skimming, and installation of upgraded multi-layer steel (MLS) head gaskets.
- Rear Suspension Lateral Link and Subframe CorrosionModerate
UK road salt and wet climates cause aggressive galvanic corrosion on the Legacy multi-link rear suspension assembly. The steel lateral links, upper wishbones, and eccentric alignment bolts seize solid inside the aluminium suspension knuckles and rear subframe bushings, making four-wheel geometry adjustment impossible. Over time, heavy corrosion can weaken the subframe crossmember and spring perches, leading to MOT failure, uneven rear tyre wear, and nervous highway stability.
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