2008 Toyota Prius 1.5L Hybrid electric · KW08 ABU

Structural corrosion around the rear subframe mounting and the rear suspension arm bushes is the defining mechanical concern in this 2008 Toyota Prius, having been flagged as advisories on the most recent test recorded on 2026-01-23 alongside a pass. That same date also produced a failure, largely driven by a dangerously worn nearside front inner tyre and a seriously weakened nearside front anti-roll bar linkage, both of which were rectified to allow the pass to be issued. The recurring advisories on rear chassis corrosion, combined with earlier failures in 2023 for both front anti-roll bar ball joint dust covers and an incorrect headlamp beam image, point to a vehicle that has accumulated a steady list of structural and suspension advisories over the past three tests rather than a sudden deterioration. The trend is therefore one of a vehicle that continues to pass but is gradually developing chassis and front suspension wear that warrants close physical inspection. At 251,365 recorded miles over approximately 18 years, this Prius has averaged around 13,965 miles annually, which is high mileage for its age. There are no extended gaps between test dates in the supplied history, suggesting the vehicle has been in continuous use rather than laid up, and consistent annual accumulation at this level is consistent with heavy commuter or long-distance use. That level of use accelerates wear on consumables and undercarriage components, particularly braking, suspension bushes, steering linkages, exhaust mounting, and the hybrid system battery and inverter cooling fan assemblies. For a prospective buyer, the high recorded mileage also raises the importance of independently verifying the condition of the high-voltage battery, as a failing or weak pack can present as reduced fuel economy, fluctuating state-of-charge readings, or persistent warning lights rather than as a mechanical MOT defect. A prospective buyer should pay particular attention to the rear subframe mounting area described in the 2026 advisories; on a ramp or with the rear undertray removed, look closely for any perforation or flaking that may have progressed since the test, and check for any movement between the subframe and the body when rocking the rear wheels laterally. For the rear suspension arm pin or bush wear, listen for clonking or knocking over uneven road surfaces, particularly over speed humps, and feel for any vagueness or delay in the rear end responding to quick steering inputs. Inspect the front inner tread area of the nearside tyre very carefully, as it was recorded as dangerous in 2026, and check the current tyres for uneven inner-edge wear, cracking, or perishing similar to the rear tyres flagged in 2024. The front anti-roll bar linkage and ball joint dust covers flagged in both 2023 and 2026 should be visually inspected for torn boots, excessive play, or any looseness when the wheels are manually rocked at three and nine o clock with the car raised. On a road test, listen for any knocking or rattling from the front suspension over broken surfaces, which would suggest the anti-roll bar linkage or ball joints have deteriorated further, and pay attention to brake pedal feel for any sponginess or judder under heavy braking that may indicate warped front discs given the mileage. Confirm headlamp alignment visually against a flat wall, as the 2023 failure for obviously incorrect beam image indicates a prior adjustment issue, and verify both the service brake and the electronic parking brake release cleanly without warning messages. Given the high mileage and the recurring rear chassis corrosion advisories, a thorough pre-purchase inspection from a Toyota specialist or hybrid-experienced garage is strongly advised, with particular focus on the high-voltage battery health report, underbody corrosion beyond the documented subframe area, and a compression or leak-down test on the petrol engine if any oil consumption is reported.