1998 Porsche 911 3.4L Petrol · LAH 20J
1998 Porsche 911 (3.4L, petrol). First registered 15 May 1998. Recorded mileage 141,819 miles. MOT expired on 28 Aug 2026.
- Make & Model
- PORSCHE 911
- Year / Origin
- 1998 · Stanmore (North London)
- Safety Recall
- Unknown
- MOT Status
- Expired on 28 Aug 2026
- Road Tax
- —
- Recorded Mileage
- 141,819 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.4L
- Reliability Guide
- Common Faults
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LAH 20J Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 29/08/2025
- 141,819 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.
LAH 20J MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 1998 Porsche 911 (LAH 20J) between September 2022 and August 2025.
The record contains 3 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
LAH 20J Mileage History
- 23/09/2022137,595 mi
- 27/03/2024138,625 mi+1,030 mi
- 29/08/2025141,819 mi+3,194 mi
Average of roughly 1,440 miles per year across 3 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Porsche Porsche 911 (996)
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: 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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PORSCHE 911 Model Intelligence & Reliability
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Historical MOT pass rates and DVLA records for 1998 model year cars.
- IMS Bearing FailureSerious
Early M96 engines can suffer intermediate shaft bearing failure, leading to major internal damage.
- Rear Main Seal Oil LeakModerate
The rear main seal between engine and gearbox degrades over time, causing oil to leak into the bellhousing area. Often mistaken for IMS failure.
- Coolant Pipe FailuresModerate
The coolant crossover pipes and thermostat housing o-rings perish, causing coolant loss and potential overheating. Plastic degrades with heat cycles.
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