2003 Audi A4 2.5L Diesel · AX53 ADV

The most recent DVSA examination on 23 January 2026 recorded a PASS, which is reassuring on the surface, but it is critical to note that this pass followed a fail at the same test centre just two days earlier. The earlier test identified two Major defects: an excessively worn offside front drive shaft joint and an excessively worn nearside front suspension arm ball joint on the forward lower control arm. These are serious chassis and drivetrain items, and the fact that they were rectified and the vehicle subsequently passed suggests that meaningful mechanical work has recently been carried out. However, an oil leak advisory has now appeared at three consecutive tests spanning 2025 and 2026, indicating a persistent seepage that should be monitored. Looking at the broader pattern, the maintenance trend is somewhat worsening. The 2025 test cycle carried forward brake fluctuation advisories, a deteriorating offside front CV boot, and suspension dust cover deterioration, while the 2026 cycle escalated into outright Major failure points on the front suspension and drivetrain, indicating progressive wear on the front-end geometry and driveline. The recorded mileage of 159,632 miles on a 2003 vehicle equates to an annual average of approximately 6,941 miles, which is broadly typical for a car of this age. There is a noticeable gap in the MOT history between December 2023 and January 2025, with no recorded test in 2024, which may suggest either a recent change of keeper, a period of exemption, or possible standing. The progression from 2023 through to early 2026 does not show a clear mileage reading at each test, but the repeated advisories on suspension and brake components are consistent with a vehicle that has accumulated significant wear over its lifetime, regardless of the modest yearly average. For a prospective buyer, the offside front drive shaft joint replacement and nearside front lower control arm ball joint replacement should be verified with paperwork, and the work inspected for quality. Even after such repair, listen carefully on a test drive for any residual clonks or knocking from the front suspension over uneven surfaces, vibrations through the steering on cornering or acceleration, and any play when the front wheels are manually rocked at full lock. The persistent oil leak advisory warrants inspection under the bonnet for fresh seepage around the sump, cam chain areas, or front crankshaft seal; check the underside for drips and the condition of the oil on the dipstick. The earlier advisory regarding front brake fluctuation and offside front brake binding points towards possible caliper slide or guide pin issues, so on a test drive feel for any pulling to one side under braking, brake shudder through the pedal, or a spongy pedal feel, and inspect the front discs for lipping or uneven corrosion. Given the vehicle's age of 23 years and its mileage, even areas with clean MOT records merit close physical inspection. Check all four tyres, including the spare, for sidewall perishing and cracking from age-related rubber degradation, as MOT does not always fail a tyre solely on cosmetic cracking. Inspect the 12V battery for hold-down security and any signs of corrosion at the terminals, particularly relevant if the vehicle has had periods of standing. Examine the brake discs thoroughly for advanced corrosion pitting, particularly on the rear, and confirm the calipers are not seizing from inactivity. Verify the service book stamps and check the age of the coolant, brake fluid, and gearbox or differential oil, all of which degrade on a calendar basis regardless of mileage, and consider a fresh change if provenance cannot be confirmed. Finally, inspect the offside front CV boot area visually for any fresh splits or grease loss, and check the windscreen for the noted minor damage to ensure it has not progressed into the driver's primary line of sight.