2021 Audi A3 S Line 40 Tfsi E S-A 1.4L Hybrid electric (clean) · LP21 GTF

A clean two-test MOT history defines the roadworthiness profile of this 2021 Audi A3 S Line 40 TFSI e S-A, with both the 2024-07-01 and 2025-07-17 examinations passing without a single advisory or defect recorded. The absence of any flagged items across these consecutive tests indicates that the braking system, suspension linkages, tyres, exhaust, lighting, and structural integrity have all been presented in sound condition at the point of test, with no emerging wear patterns yet documented. While this represents an encouragingly clean bill of health, the lack of recorded advisories does not eliminate the need for a physical inspection, particularly given the high annual mileage this vehicle has clearly been subjected to since new. Covering 70,465 miles in approximately five years equates to around 14,093 miles per year, which is notably above the national average for a car of this age and segment. This level of usage places greater cumulative demand on mechanical components than would be expected for a plug-in hybrid Audi of this vintage, with particular implications for the 1.4 TFSI petrol unit and its associated hybrid ancillaries, the multi-link rear suspension, brake discs and pads, and the dual-clutch S tronic transmission. The annual mileage between the 2024 and 2025 tests also appears to be substantial, which means that components which were within tolerance at the last MOT could now be approaching the threshold for advisory or failure status, particularly brake pads which can wear rapidly under higher mileage accumulation. Given the heavy usage and the plug-in hybrid powertrain configuration, particular attention should be paid to the rear brake calipers and discs during a viewing, as these components frequently seize or develop corrosion ridges on vehicles that accumulate high miles but are driven predominantly on the electric mode with light regenerative braking. On a test drive, listen for any clonking or knocking from the rear suspension over uneven surfaces, which would indicate worn trailing arm bushes or anti-roll bar links, and check for pulling under heavy application of the brake pedal which could suggest warped front discs. The S tronic gearbox should be observed for any hesitation, shunt, or jerky low-speed engagement, as mechatronic wear becomes more prevalent on high-mileage DSG units, while the 1.4 TFSI engine warrants listening for timing chain rattle on cold start and any signs of oil consumption between services. The hybrid system itself should be verified as fully functional, with confirmation that the vehicle will drive on electric mode alone and that the high-voltage battery retains a usable state of charge, as degradation in these systems does not appear on the MOT record but can represent a significant future cost. A scan for any stored fault codes in both the petrol and hybrid systems via a diagnostic tool compatible with Audi MMI would be prudent, alongside a thorough inspection of the charge port and cable for damage. Finally, given that the clean MOT record offers no insight into tyre condition, the four corners should be examined for even wear patterns, sufficient tread depth, and any signs of kerbing damage to the wheels, as high-mileage A3s frequently show inner shoulder wear indicative of alignment drift which would warrant a geometry check before purchase.