2015 Toyota Prius 1.8L Hybrid electric · MK65 FRC

The most recent MOT, carried out on 18 March 2026, was passed with no recorded defects, indicating that the vehicle currently meets the statutory safety and emissions standards. Over the preceding twelve months the test record shows a single failure on 22 September 2025 for a rear registration‑plate lamp that was judged likely to become detached, but this was evidently remedied as the same date also records a pass and the subsequent test in March 2026 is clean. The pattern of mostly passing results with only an isolated, easily rectifiable lighting fault suggests a generally stable maintenance regime rather than a deteriorating one. At 198 120 miles the 2015 Prius has accumulated roughly 18 000 miles per year, well above the average for a vehicle of its age. Such a mileage level points to sustained, relatively high‑load usage and will have accelerated wear on consumables such as tyre tread, brake pads and discs, suspension bushings and the hybrid drivetrain components. There are no obvious gaps in the recorded mileage that would indicate long periods of inactivity, so the wear is likely to be progressive rather than the result of intermittent standing‑time corrosion. A prospective buyer should verify that the rear lamp assembly is securely mounted and that the wiring harness shows no signs of chafing or corrosion, as a loose lamp can re‑appear under vibration. While on the road, listen for any abnormal clunking from the rear suspension, which could indicate worn bushings or deteriorated coil springs, and watch for uneven tyre wear that might reveal misalignment or degraded suspension geometry. The hybrid system should be inspected for any warning lights on the instrument cluster; a failing inverter coolant pump or degraded high‑voltage battery cells can manifest as reduced electric‑assist range, occasional power loss or a persistent “check hybrid system” message. A diagnostic scan of the battery management system is advisable to confirm that the state‑of‑health is within acceptable limits for a vehicle with this mileage. Given the car’s age, even with regular use, time‑related degradation must be addressed. Examine the tyre sidewalls for cracking or dry‑rot, as ageing rubber can fail irrespective of tread depth. Check the 12‑volt battery for terminal corrosion and verify its cranking voltage, especially because the Prius relies on it for booting the high‑voltage system. Inspect the brake discs for surface rust or scoring, and ensure the calipers move freely without binding, as prolonged standing can cause piston corrosion. Finally, confirm that the service history includes timely changes of engine oil, coolant and hybrid inverter fluid, as these fluids lose efficacy with age and can lead to overheating or premature component wear if neglected.