2020 Audi SQ7 TDI Mhev Quattro Auto 4.0L Diesel · 1 FWM

The 2020 Audi SQ7 TDI presents a strong mechanical picture as of its most recent MOT on 14 October 2025 at 39,564 miles, where it passed with zero defects recorded. That clean sheet is significant. The previous test in November 2024 at 33,216 miles also passed without advisories or failures, suggesting a stable and well-maintained trajectory over the last two years. Before that, a March 2023 failure at 20,283 miles for a damaged nearside front tyre and a worn offside front tyre was promptly resolved the same day with a retest pass, indicating the previous owner addressed the issue immediately rather than deferring repairs. The maintenance trend is clearly improving and now stable. The mileage accumulation tells a consistent story. Between March 2023 and November 2024, the vehicle covered roughly 12,933 miles in approximately 20 months, averaging around 7,760 miles per year. From November 2024 to October 2025, it added 6,348 miles in roughly 11 months, which equates to approximately 6,925 miles per year. Both figures sit comfortably within the typical annual range for a vehicle of this age and class. There are no suspicious gaps in the MOT record that would suggest long periods of inactivity or clocking concerns. The annual test pattern is regular and the mileage progression is smooth and believable. Despite the clean recent record, a prospective buyer should still carry out a thorough in-person inspection focused on areas the MOT only samples. The March 2023 failure for a cut tyre reaching the ply and an edge-worn tyre suggests the vehicle may have been driven hard or aligned imperfectly at that time. Have the current tyre condition and wheel alignment checked carefully, paying attention to inner edge wear on all four corners. The SQ7's air suspension system, heavy drivetrain components, and Quattro drivetrain place significant stress on front and rear suspension bushes, drop links, and anti-roll bar links. Inspect these for play or deterioration, particularly given the vehicle's performance capability and 39,564 miles of use. Brake discs and pads on all corners should be measured, as the weight and power of this model accelerate consumable wear. Finally, examine the underside for corrosion on subframes, suspension mounting points, and around the exhaust system, particularly the diesel particulate filter and associated pipework. The mild hybrid electrical system and turbocharged 3.0-litre diesel engine should be assessed for smooth cold starts, boost leaks, and any signs of oil weeping from the cam covers or turbo plumbing. A clean MOT record is encouraging, but a pre-purchase inspection by a specialist familiar with the SQ7 platform remains the most reliable way to confirm long-term structural and mechanical integrity.