2018 Volvo XC90 2.0L Diesel · AS14 YYA

The defining mechanical story of this 2018 Volvo XC90 is the front brake system, which has surfaced repeatedly across multiple test cycles. The most recent pass on 30 March 2026 recorded advisories for worn front brake discs and thinning front brake pads on both sides, continuing a pattern that first appeared in February 2021 with front pad wear advisories, suggesting this is a chronic consumable issue rather than an isolated event. More concerning is the April 2024 test, which resulted in a failure with a Dangerous defect for front brake pads less than 1.5 mm thick, the minimum legal threshold, indicating that on at least one occasion the wear had progressed beyond advisory territory into a category where the vehicle should not have been driven. That same 2024 test also flagged non-functioning rear seat belt buckles, an offside rear passenger door that could not be opened from outside, and both registration plates failing conformity requirements, which together suggest the vehicle may have been involved in or sustained rear-end damage prior to that inspection. The intervening 2025 test returned a clean pass with no advisories, and the 2026 test confirmed roadworthiness, so the immediate safety picture has improved, though the underlying wear trend on the front braking components is clearly established. With 80,873 miles recorded over approximately eight years, the annual accumulation averages around 10,100 miles, which is broadly typical for a large family SUV of this age. There are no unusual gaps in the testing history, with annual MOT entries present from 2021 through 2026, and the test intervals are consistent with continuous road use rather than prolonged lay-up periods. Mileage progression across tests appears steady, with no evidence of sharp spikes or clocking anomalies in the recorded figures. For a vehicle of this size and weight, this level of use would be expected to produce moderate wear on suspension components, driveline mounts, and braking hardware, all of which is broadly consistent with the advisory pattern observed. A prospective buyer should focus the physical inspection on the front braking system, as this is the component group with the clearest repeated wear history. The discs were flagged as worn but not excessively in March 2026, and given that pads were also noted as thin at the same test, a near-term replacement of both front pads and possibly the discs should be anticipated. On a test drive, listen for any grinding or metallic squeal from the front wheels on light braking, and feel for vibration or pulsation through the brake pedal or steering wheel under firm stops, which would indicate disc runout or uneven wear. Check the brake fluid level and colour in the reservoir, and inspect the flexible brake hoses and rigid pipe runs under the wheel arches and along the underbody for any corrosion or weeping, as older Volvo chassis can develop surface rust on exposed pipework. Beyond the brakes, attention should be paid to the rear seat belt buckles and the offside rear door mechanism that were flagged as defects in 2024. Confirm that all rear seat belts latch and release smoothly, that the pre-tensioners operate correctly, and that both rear doors open and close reliably from both inside and outside, as these items were specifically cited as failing to meet required standards. The registration plate non-conformity in 2024 is unlikely to recur if the plates have been replaced to correct specification, but verify that both plates are present, legible, and conform to current requirements. Finally, given the vehicle's age and mileage, a general check of the suspension for knocking over speed bumps, uneven tyre wear indicating alignment or bush wear, and any warning lights on the dashboard would be prudent, while a diagnostic scan for stored fault codes in the body control and airbag modules would help confirm that the 2024 door and seat belt issues have been properly resolved rather than temporarily cleared.