2008 Lexus RX400H 3.3L Petrol · LO08 VTZ

A remarkably consistent record of roadworthiness defines this 2008 Lexus RX400h, with five consecutive MOT passes and not a single advisory or defect flagged across the most recent testing cycle. The latest assessment on 10 April 2026 returned a clean pass with no defects recorded, continuing an unbroken pattern of compliance stretching back to 2022. For a vehicle now in its eighteenth year, this absence of recorded advisories is notable and suggests either exceptionally well-maintained consumables and structural components, or mileage and usage patterns that simply have not yet stressed the typical wear items to the point of examiner comment. Either way, the trajectory is stable and shows no signs of deteriorating mechanical condition at the point of official testing. Against the vehicle's age of approximately eighteen years, the recorded 129,593 miles translates to an average annual accumulation of around 7,200 miles, which sits squarely within the expected range for a hybrid SUV of this vintage and is neither suspiciously low nor indicative of heavy motorway use. There are no obvious gaps in the MOT history that would suggest extended periods off the road, and the consistency of annual testing implies the car has remained in regular service. Mechanically, this steady usage profile is generally favourable for a hybrid powertrain, as the high-voltage battery, inverter cooling system, and regenerative braking components benefit from regular operation rather than prolonged standing. The conventional drivetrain elements the engine, transmission, and hybrid transaxle have also been worked consistently, which typically promotes healthier lubricant circulation and seal conditioning than low-mileage garage queens experience. For a prospective buyer, the lack of recorded advisories means there is no specific component history to target, but the age and mileage of this RX400h demand a thorough physical inspection of areas that commonly affect the model at this stage of life. On a test drive, listen carefully for any clonks or knocking from the front suspension over uneven road surfaces, particularly indicative of worn lower control arm bushes, anti-roll bar drop links, or front strut top mounts. The steering should feel precise without vagueness around the straight-ahead position, and any knocking under braking may point to worn front brake disc shields or caliper slide pins. Given the hybrid system's potential age-related issues, pay particular attention to the transition between electric and petrol propulsion; any harsh shudder, unexpected engine running under light load, or warning lights relating to the hybrid system warrant immediate diagnostic interrogation via the Lexus dealer or specialist before purchase. Inspect the underbody and visible structural components carefully for corrosion, as even clean MOT records cannot capture slow-developing surface rust on subframes, rear trailing arms, or suspension mounting points that an examiner only comments on if deemed dangerous. Check for any signs of oil misting around the engine and transaxle areas, as the RX400h is known for minor oil seepage from cam covers and the hybrid inverter cooling system hoses, which can become brittle with age. Brake pedal feel should be firm and progressive without excessive travel, and a test of the regenerative braking function through gentle deceleration will confirm the hybrid system is actively contributing to retardation. Finally, request evidence of recent hybrid system health checks and ensure the 12V auxiliary battery has been replaced within the last few years, as a failing auxiliary battery is the single most common cause of hybrid system warning lights and erratic behaviour on this model.