2012 Audi Q7 3.0L Diesel · R40 HAT

The vehicle's roadworthiness shows a concerning downward trend in maintenance standards following several years of clean inspections. While the car passed without defects from 2018 through 2025, the most recent testing period in early 2026 reveals significant mechanical deterioration. The January 2026 failure at 93,900 miles highlighted multiple issues including a binding offside rear service brake, thin brake pads, and a non-functional windscreen washer system. Although the vehicle secured a pass on 30 January 2026 at 92,900 miles, the tester specifically flagged corroded brake pipes on both the nearside and offside front calipers. The mileage accumulation appears consistent with a typical usage pattern for a 2012 vehicle, averaging approximately 6,600 miles per year. The records show steady progression from 19,679 miles in 2015 to the current 92,900 miles. There are no significant gaps in the testing history, though the jump from 78,648 miles in March 2024 to 87,054 miles in March 2025 indicates a period of higher annual usage compared to previous years. This increased activity likely contributed to the sudden emergence of braking and fluid system issues seen in the latest tests. A prospective buyer must prioritize a thorough inspection of the braking system and fuel/hydraulic lines. The recurring mention of corroded front brake pipes and the previous report of a binding rear brake suggests that the braking components are reaching the end of their service life. The tester also noted an oil leak in the January 2026 failure, which requires physical verification to determine if it is a minor seal weep or a more serious gasket failure. The presence of pitted and scored rear brake discs in 2021, combined with the recent brake pad and caliper issues, indicates that the braking hardware is being run to its limits. Beyond the brakes, the reported corrosion on the front brake pipes warrants a close examination of the chassis and subframe for any signs of structural oxidation. Ensuring the windscreen washer system and all fluid lines are fully operational is necessary to rectify the faults identified in the most recent MOT cycle.