2020 Audi SQ7 TDI Mhev Quattro Auto 4.0L Diesel · BP20 OOC

The Audi SQ7 TDI MHEV currently holds a clean and stable roadworthiness record, with its most recent MOT on 16 May 2025 at 79,493 miles returning zero defects. That is a strong result for a performance SUV of this age and mileage, and the trend across the full history is consistently stable rather than improving or worsening. The vehicle has passed every recorded test, with the sole entry on 12 April 2023 showing a fail that was resolved on the same date with no defects noted, suggesting a minor or administrative issue rather than a persistent mechanical fault. The mileage accumulation pattern raises a notable concern. Between the 12 April 2023 test at 75,846 miles and the 13 May 2024 test at 79,258 miles, the vehicle covered 3,412 miles in just over 12 months, a relatively modest rate. Yet between 13 May 2024 and 16 May 2025, only 235 miles were added in a full year. That dramatic drop suggests the vehicle may have stood unused for an extended period. Prolonged sitting can cause flat-spotted tyres, brake disc surface corrosion, dried seals, and battery drain, none of which are visible in a pass/fail MOT record. Despite the clean MOT history, a buyer should still inspect the vehicle carefully in person. The SQ7's air suspension system, heavy braking components, and Quattro drivetrain are all known to develop costly faults that may not trigger an MOT advisory until they are advanced. Check the front and rear suspension bushes, coil springs or air bellows for leaks, and the condition of the brake discs and pads, particularly if the car has been standing. Inspect the exhaust system for corrosion and the DPF system for correct regeneration, as the mild-hybrid diesel powertrain is sensitive to short-run use. Examine the tyre sidewalls for perishing and the underside for any signs of structural rust, especially around subframes and suspension mounting points. The clean MOT record is reassuring but it does not substitute for a thorough mechanical inspection. A vehicle that has covered high annual mileage and then sat idle presents a mixed risk profile. A pre-purchase inspection by a qualified technician, including a diagnostic scan of the MHEV and Quattro systems, is strongly recommended before committing to purchase.