2004 Land Rover Defender 2.5L Diesel · KX02 ARM

The most recent MOT test for this 2004 Land Rover Defender was conducted on 2025-11-22 and resulted in a clean pass, with no recorded defects. However, the vehicle’s maintenance history reveals a pattern of persistent but non-severe advisories related to an oil leak, noted in the 2023 and 2022 MOTs, though both were categorised as "not excessive" under 8.4.1 (a) (i). This suggests a recurring issue that has not escalated to a failure but warrants closer attention, particularly as the leak could indicate underlying engine or valve cover gasket wear over time. The absence of failures in the last three years indicates a stable maintenance trend, but the advisory prompts a proactive inspection to prevent potential long-term damage, such as carbon buildup, overheating, or increased oil consumption. The vehicle’s overall roadworthiness remains unaffected by these findings, but the buyer should prioritise addressing the leak to mitigate future mechanical risks. The recorded mileage of 113,799 miles for a vehicle aged approximately 22 years represents a remarkably low annual usage rate of around 5,173 miles per year, which is unusually low for its age and class. Such low mileage often correlates with prolonged periods of stationary use, particularly if the vehicle has been kept in a garage or stored rather than driven regularly. This can lead to specific wear issues, including the degradation of consumables like brake fluid, which can absorb moisture and corrode brake components over time, or the drying out of hydraulic systems. Additionally, standing vehicles are prone to corrosion on components such as brake discs, calipers, and suspension linkages, which may appear pitted or bound if not regularly moved. The low mileage also raises questions about whether the vehicle has been subjected to extreme environmental conditions, such as prolonged exposure to damp or salted roads, which could accelerate corrosion without the protective effect of regular movement. Given the clean MOT history and the low mileage profile, the buyer should conduct a comprehensive physical inspection to address both age-related and usage-specific concerns. First and foremost, examine the tyres for signs of sidewall cracking or perishing, which can occur even at low mileage due to prolonged static ageing. Check the tread depth and look for uneven wear patterns that might indicate misalignment or suspension issues. The 12-volt battery should be tested for charge retention and physical condition, as older batteries in stationary vehicles often fail due to discharge from parasitic loads or age-related degradation. Inspect the brake system for corrosion on discs and linings, particularly around the brake calipers, which may appear rusted or bound if the vehicle has stood for extended periods. Fluid levels should be checked, with particular attention to the brake fluid reservoir, as moisture absorption can lead to hydraulic failure. Given the oil leak advisories, the engine oil should be drained and replaced, and the valve cover gasket inspected for signs of failure or wear. Finally, verify that the service book contains all required maintenance records, including oil changes, timing belt service (if applicable), and any previous oil leak investigations, to ensure no past issues were overlooked.