2009 Toyota Prius 1.8L Hybrid electric · LS59 AEA

The most recent DVSA examination on 9 February 2026 returned a Pass with no defects recorded, and this continues a clearly stable maintenance trend across the recent history. With passes on 28 July 2025, 3 February 2025, and 9 August 2024, the only blemish is a failure dated 31 January 2025, which is interesting given that a clean pass followed just three days later on 3 February 2025. This pattern strongly suggests the earlier failure was a straightforward retest scenario rather than a structural or recurring mechanical problem, likely a near-miss item that was rectified immediately, such as a bulb, tyre, or wipers. Overall, the trajectory is reassuring rather than deteriorating, and the absence of any advisories across four passes indicates that the owner has been maintaining the vehicle to a standard acceptable at MOT. With recorded mileage of 407,928 miles against a 2009 registration, this Prius has covered an exceptional 23,996 miles annually over a seventeen-year life, which is very high and consistent with sustained commercial or long-commute use. There are no significant standing periods indicated, and the mileage accumulation appears continuous and aggressive. Mechanically, this level of usage places considerable cumulative stress on the hybrid powertrain, the 12V auxiliary battery, the inverter coolant system, the brake discs and pads, and the suspension components. The hybrid battery pack and traction system, in particular, will have endured many thousands of charge cycles, so although these units are generally robust, a thorough hybrid system health check is essential. The high annual mileage also means that every consumable will have been replaced multiple times, and the focus should now shift from pure wear to identifying which components are approaching their second or third life cycle. From a buyer inspection perspective, the clean advisory record is positive but not exhaustive, and given the exceptionally high mileage, several time-based and stress-based degradations warrant close physical attention. On a road test, listen carefully for any suspension clonks, knocking, or vagueness over bumps, which would indicate worn anti-roll bar bushes, trailing arm bushes, or rear coil spring fatigue common to this generation. The steering should be checked for any play or knocking through the rack under load, and the rear axle should be inspected for corrosion or impact damage. Brake feel should be solid and progressive; uneven pedal travel or shudder under braking may point to worn discs or a binding caliper, while any warning lights on the dash, particularly the hybrid system warning, master warning, or brake warning, must be investigated immediately through a Toyota dealer diagnostic before purchase. Also verify the operation of the brake hold and park brake systems, as electric park brake actuators on high-mileage Priuses can fail. Finally, although the MOT history shows no advisories, a vehicle of this age and mileage requires careful inspection of age-related items that are not necessarily covered by annual testing. Tyres should be examined for both tread depth and, crucially, sidewall perishing or cracking, as rubber degrades with calendar age regardless of mileage, and a seventeen-year-old car may have perished sidewalls even on tyres with reasonable tread. All fluid systems deserve attention: engine oil and filter condition, inverter coolant strength, brake fluid moisture content (which should be renewed regardless of condition due to its hygroscopic nature), and the hybrid system coolant should be confirmed as recently serviced. The 12V auxiliary battery is a known weak point on the Prius and should be load-tested, as a failing unit can trigger cascading dashboard warnings and hybrid system faults. Inspect under the vehicle for any oil or coolant leaks from the transaxle or inverter, check the exhaust for corrosion or blowing at the joints, and confirm a full service history with documented replacement of spark plugs, PCV valve, and EGR cleaning, all of which are critical on high-mileage examples of this engine family.