2004 Land Rover Discovery 2.5L Diesel · YY54 CXJ

The Discovery's maintenance trend has deteriorated sharply. After four consecutive clean passes between June 2022 and October 2024, the most recent test on 28 October 2025 at 129,017 miles resulted in a failure. The tester flagged excessive corrosion to both nearside and offside front chassis structures within 30cm of body mountings, a direct roadworthiness risk under Section 6.2.2. A damaged nearside front drag link end ball joint dust cover, an ineffective offside rear suspension locking device, and a cut offside rear tyre were also recorded. Body corrosion appeared at both rear corners, though outside prescribed areas. These defects suggest the vehicle may have stood for extended periods or been stored in conditions that accelerated chassis deterioration. At 129,017 miles over approximately 22 years, the annual average sits around 5,864 miles, which is low for a vehicle of this type and age. The mileage progression tells a clearer picture. Between June 2021 and June 2022, the vehicle covered roughly 2,148 miles. From June 2022 to November 2023, it added 2,898 miles over about 17 months. Then from November 2023 to October 2024, it accumulated 3,196 miles in 11 months, a modest uptick. However, the October 2025 failure occurred at exactly 129,017 miles, the same figure recorded at the October 2024 pass of 127,648 miles, implying only 1,369 miles were covered in 12 months. This low annual distance, combined with the sudden emergence of structural corrosion, raises the possibility of prolonged stationary periods, which can trap moisture in chassis sections and mounting points. A buyer inspecting this vehicle in person should focus on the front chassis rails and body mounting areas where the tester identified excessive corrosion affecting structural strength. Probe around both front subframe mounting points and along the inner wings for soft metal, flaking, or previous patch repairs. The rear suspension locking device fault warrants a close check of the handbrake mechanism, rear calipers, and parking brake cables for seizure or uneven operation. The cut in the offside rear tyre should be examined to confirm it has not deepened to expose cords, and the nearside front drag link boot should be inspected for joint play and contamination ingress. Beyond the flagged items, pay attention to the lower suspension arm ball joints, which had deteriorating dust covers noted in June 2021 and may have been replaced since, but the condition of the boots should still be verified. Check for any fresh oil leaks around the engine and gearbox, given the minor leak recorded in 2021. A vehicle of this age and type with low mileage but sudden structural corrosion demands a thorough underside inspection, ideally on a ramp, before any commitment is made.