2017 Land Rover Discovery 3.0L Diesel · K31 WAT

Across seven recorded DVSA tests spanning 2020 to early 2026, this Discovery has maintained an unbroken pass record with no failures, suggesting a broadly stable roadworthiness profile for its age. The most recent test on 21 January 2026 passed with a minor defect noted for an offside front windscreen chip outside the driver's direct line of sight, alongside an advisory for a split upper steering gaiter. Two prior tests in 2024 and 2025 also passed cleanly aside from a similar minor windscreen notation, while a single advisory in 2023 flagged corrosion on the rear brake pipe concealed under grease or other coating. The pattern is one of largely clean presentations with only isolated wear items surfacing, though the recurrence of steering and brake line observations on different components across separate years does suggest some progressive deterioration of vulnerable underbody and steering hardware that warrants attention. With 72,880 miles recorded over roughly nine years, annual mileage of approximately 8,100 miles sits squarely in the typical bracket for a vehicle of this age and class, indicating neither prolonged standing nor heavy commercial-style use. Test-to-test mileage progression has been steady and consistent across the recorded period, with no unusual spikes or extended dormant gaps that would otherwise raise concerns about seized brakes, perished rubber, or stale fluids. This average usage level on a Land Rover Discovery should have produced moderate wear on suspension bushes, anti-roll bar links, brake discs, and drivetrain mounts, consistent with the kind of advisories seen, rather than the accelerated degradation typically found on high-mileage workhorses or the dry-jointed complications often associated with low-mileage SUVs left sitting for long stretches. For a prospective buyer, the steering gaiter advisory from January 2026 is the most actionable item, as a split gaiter permits water and grit ingress onto the rack internals, accelerating wear and ultimately risking play or leaks at the inner joints. On a test drive, listen for clonking or knocking from the front end over speed humps and uneven tarmac, particularly during full-lock manoeuvres where worn inner tie rods or rack bushes tend to manifest as slaps or imprecise self-centring. Turn the wheel from lock to lock with the engine running and feel for any roughness, notchiness, or uneven resistance that could indicate degraded steering internals now exposed by the compromised gaiter. The 2023 advisory regarding corroded rear brake pipework beneath a layer of grease is more concerning in the longer term, as coated corrosion on brake lines is a recognised precursor to through-wall pitting and eventual fluid leaks under pressure. On inspection, examine the rear underbody and particularly the longitudinal sections and pipe runs for any bubbling, flaking, or fresh rust staining around joints and clips, and check that the flexible sections remain supple rather than hardened. During a road test, press the brake pedal firmly multiple times to confirm a firm, responsive feel with no sponginess or excessive travel, and listen for any scraping or dragging that might suggest seized caliper sliders contributing to uneven rear disc wear. Given the vehicle's age, weight class, and the fact it has seen nine winters of road salt, a thorough underbody inspection and proactive assessment of all brake hydraulic lines would be prudent before committing to purchase.