2017 Infiniti Q50 2.1L Diesel · YC17 YCP

The vehicle is currently roadworthy but the maintenance trend shows signs of recent regression into reactive repairs. While it passed its most recent test in March 2026 at 165,696 miles, it initially failed failing due to an inoperative registration plate lamp and pitted rear brake discs. This indicates that basic consumable items were only addressed after a failure rather than through preventative maintenance, contrasting sharply with the perfectly clean records seen in the previous two years of testing. The mileage profile is exceptionally high for a nine-year-old vehicle, averaging over 18,000 miles per year. A significant surge in usage occurred between the March 2025 test at 96,189 miles and the March 2026 test at 165,696 miles, representing 69,507 miles driven in a single year. This rapid accumulation accelerates the wear on heavy-duty components such as the drivetrain and suspension, and likely explains the sudden degradation of the rear brakes noted in the latest inspection. A buyer must prioritize a thorough physical inspection of the braking system and suspension geometry. The 2023 failure noted play in the offside rear anti-roll bar linkage suggests the vehicle is prone to suspension wear under heavy use. Given the high mileage and the recent report of pitted rear discs, an inspector should check for signs of binding calipers, uneven pad wear, and play in the steering rack. The structural integrity of the chassis and exhaust system should be verified, as high-mileage use often masks underlying stress fractures on mounting points.