2018 Audi Q5 Sport TDI Quattro S-A 2.0L Diesel · AE09 MCD

The most recent official DVSA MOT test for this 2018 Audi Q5 Sport TDI Quattro S-Tronic was conducted on 20 February 2026 and resulted in a pass with no defects or advisories recorded, which is a positive indicator of the vehicle's current roadworthy condition. The previous test on 8 March 2024 also returned a clean pass, establishing a clear two-year interval with no advisories, warnings, or failures of any kind. With no recorded brake, suspension, tyre, exhaust, or lighting defects across either test, the maintenance trajectory appears stable and well-managed. While the absence of advisories on these two tests suggests the vehicle has not been exhibiting typical deterioration in commonly inspected areas, it is worth noting that a lack of recorded advisories does not necessarily mean the car has been mechanically perfect in the intervening period, as not all wear items are flagged at MOT and many components are only assessed if they present an immediate failure risk. The recorded mileage of 89,905 miles on an eight-year-old vehicle equates to approximately 11,238 miles per annum, which sits broadly within the average usage bracket for a diesel premium SUV of this age and represents consistent year-on-year running rather than extended periods of standing or unusually heavy use. The MOT history reflects this steady accumulation, with the vehicle covering a substantial mileage block between the 2024 and 2026 tests, which would have placed proportionate wear on major drivetrain, brake, and suspension components. Diesel-powered Quattro models used at this rate typically experience meaningful wear on dual-mass flywheels, turbocharger actuation, DSG/S-Tronic mechatronic servicing intervals, and four-wheel-drive system components such as the rear differential and Haldex coupling filter and oil. The relatively consistent usage pattern is favourable for mechanical longevity compared to low-mileage examples that may suffer from oil seal drying, fluid degradation from lack of circulation, and corrosion through prolonged standing. Given the clean MOT record and the age of the vehicle, a prospective buyer should focus on calendar-based deterioration that would not necessarily be flagged during an MOT inspection. Tyres on an 8-year-old vehicle should be carefully examined for sidewall perishing, cracking, and tread depth, as rubber compounds degrade with age regardless of remaining tread, and an Audi Q5 of this specification should be running quality tyres with adequate load rating. The 12V battery should be load-tested, as batteries typically require replacement between years four and seven, particularly on vehicles with stop-start systems and complex electronic control units which place high parasitic draw on the electrical system. Brake discs, even if within MOT limits, should be inspected for lipping, corrosion around the outer edge from standing, and any evidence of binding calipers, all of which are common on a vehicle that may have experienced mixed urban and motorway use. Coolant, brake fluid, and transmission fluid should be verified for recent service history, as brake fluid is hygroscopic and should be renewed every two years irrespective of mileage, while the S-Tronic gearbox oil and filter should be assessed against manufacturer recommendations. On a physical inspection and test drive, particular attention should be paid to any signs of diesel system wear, including cold-start smoke, EGR valve operation, and turbocharger response under load, as these components are common failure points on TDI engines approaching 90,000 miles. The quattro drivetrain should be tested on a slight incline or during tight manoeuvres to detect any shudder, binding, or unusual noises from the rear differential or transfer box, which could indicate impending Haldex servicing requirements or worn drive propshaft components. Listen carefully for any suspension clonks or knocks over uneven surfaces, particularly from the front anti-roll bar bushes and control arm bushings, which are known wear items on the Q5 platform. Finally, verify the full Audi main dealer or specialist service history, paying specific attention to cambelt and water pump replacement, AdBlue system function, diesel particulate filter regeneration cycles, and any diagnostic trouble codes logged within the vehicle's onboard systems. A pre-purchase inspection by a VAG specialist, including a comprehensive diagnostic scan and underbody examination, would be strongly advisable given the vehicle's age and the lack of any recorded advisories to draw upon for service pattern verification.