2021 Land Rover Defender Hard TOP D Mhev Auto 3.0L Diesel · AF71 OSW

The most recent MOT test on 2026-04-16 resulted in a clean pass, indicating that the vehicle has met all roadworthiness standards at that time. However, the preceding MOT history reveals a pattern of recurring advisories that suggest underlying wear and potential long-term issues. The failure in March 2026 highlighted a critical defect in the offside rear constant velocity (CV) joint boot, which is a major failure point under DVSA standards, indicating that the boot was either split or insecure, allowing dirt ingress and compromising the joint’s integrity. This failure was not rectified before the test, and while the vehicle passed, the prior advisory from October 2025—concerning worn, pitted, or scored brake discs—persisted, signaling persistent brake system degradation. The absence of defects in November 2024 suggests a brief period of stability, but the overall trend leans towards maintenance neglect or deferred repairs, particularly in the CV joint and braking systems. The vehicle’s recorded mileage of 97,272 miles for a 2021 model represents a high annual usage rate of approximately 19,454 miles per year, which is notably elevated for its age. Typically, a 2021 Defender would accumulate around 12,000 to 15,000 miles annually under normal conditions, with longer periods of inactivity allowing consumables and components to degrade less rapidly. The rapid mileage accumulation implies significant operational stress, particularly on the drivetrain, suspension, and braking systems, which are prone to accelerated wear under high-mileage conditions. The CV joint, in particular, is a critical drivetrain component that experiences significant stress with frequent acceleration, cornering, and off-road use, making its failure in March 2026 a concerning red flag. Additionally, the persistent brake advisories suggest that the discs and pads have been subjected to prolonged, heavy use, potentially leading to warping, glazing, or even structural compromise if not addressed. For the prospective buyer, the most urgent concern is the CV joint boot failure, which must be repaired immediately to prevent further damage to the CV joint itself, the differential, or even the transmission. Visually inspect the boot for splits, tears, or excessive dirt ingress, and listen for unusual noises during acceleration or cornering, such as clunking or grinding, which may indicate joint wear or misalignment. On a test drive, pay close attention to the rear axle’s smoothness—any vibration or clunking at low speeds or when accelerating could confirm the defect. Prioritise replacing the boot and securing the joint before the vehicle is driven further, as delayed repairs could lead to catastrophic drivetrain failure. Concurrently, the brake system requires immediate attention. Check for uneven brake pad wear, which could indicate misalignment or binding calipers, and inspect the brake discs for scoring, pitting, or excessive thickness reduction. Listen for a grinding noise when applying brakes, which may signal metal-to-metal contact if pads are severely worn. If the discs are significantly worn or pitted, they should be replaced, and the pads renewed to restore safe braking performance. Beyond the immediate defects, the vehicle’s age and high mileage necessitate a thorough inspection of other critical systems. Given the advisories from previous MOTs, particularly the under-tray obstruction, ensure that the vehicle’s undercarriage is fully accessible for inspections of the exhaust system, drivetrain components, and structural integrity. Check for signs of fluid leaks under the vehicle, particularly around the CV joints, differential, and transmission, as these could indicate failing seals or gaskets. The rear suspension should be inspected for signs of worn suspension bushes, coil spring damage, or binding struts, which can lead to uneven tyre wear or handling issues. Additionally, verify the tyre condition, as high mileage and frequent use can accelerate tyre wear, but also ensure there is no sidewall cracking or perishing, which can compromise tyre integrity and safety. For the battery, given the vehicle’s age and high usage profile, test its charge capacity and listen for unusual noises, as a failing battery can lead to electrical system failures or poor starting performance. Finally, consider the calendar-based servicing of fluids such as the coolant, brake fluid, and differential oil, as these can degrade over time regardless of mileage, especially in a vehicle that has been driven extensively. A comprehensive service history check, including the last oil change and fluid top-ups, would provide further insight into the vehicle’s maintenance record.