2013 Lexus IS 300H F Sport CVT 2.5L Hybrid electric · YX63 AAO

The most recent MOT test on 2026-03-04 resulted in a passing outcome, but the vehicle’s overall maintenance record remains concerning due to persistent, recurring advisories that suggest underlying wear issues. While the MOT history shows no failures in the last three years, the repeated presence of sidewall and tread defects on all four tyres—particularly the offside front steering track rod end grease leakage and near-side rear exhaust heatshield absence—indicates either prolonged exposure to harsh conditions or neglect in addressing minor issues. These advisories do not compromise roadworthiness but warrant vigilance, as tyre sidewall perishing can lead to sudden blowouts if ignored, and grease leakage from the steering track rod end may signal impending ball joint wear or misalignment, which could exacerbate handling and fuel efficiency over time. The recorded mileage of 43,680 miles for a vehicle aged approximately 13 years represents a relatively low annual usage rate of around 3,360 miles per annum, which is atypical for a performance-oriented vehicle like the Lexus IS 300H. Such low mileage often correlates with periods of stationary use, particularly in urban or suburban settings where vehicles are parked for extended durations. However, this pattern can mask critical issues such as standing corrosion on brake components, suspension hardware, or exhaust systems, where moisture and lack of movement accelerate deterioration. Additionally, low mileage does not inherently mitigate the risk of tyre sidewall cracking from age-related rubber degradation, which is a silent but dangerous failure mode that can compromise safety without warning. For a prospective buyer, the most critical inspection areas should focus on the tyres, steering components, and exhaust system due to the recurring advisories. Begin by visually inspecting the offside front tyres for any signs of further sidewall cracking or bulging, and confirm that the tread depth meets legal requirements (minimum 1.6mm). On a test drive, listen for unusual noises from the steering system, particularly clunks or rattles that could indicate worn steering track rod ends or bushings. The near-side rear tyres also require attention, as their sidewall cracks suggest potential inner tread separation, which may develop into a blowout risk if left unchecked. Additionally, check for any exhaust leaks or unusual emissions, as the missing heatshield may have allowed hot gases to escape, potentially causing overheating or carbon buildup. Beyond these, verify that the vehicle’s suspension is aligned and that the steering wheel does not exhibit excessive play or binding, which could signal misaligned wheels or worn suspension components. In terms of broader maintenance checks, given the vehicle’s age and low mileage, the buyer should prioritise a thorough inspection of the braking system for signs of corrosion or binding calipers, particularly on the near-side rear where prolonged standing may have caused rust accumulation. Inspect the 12V battery for signs of age-related failure, such as corrosion on terminals or a weak cranking amps reading, as older batteries can fail unexpectedly. Fluid checks are equally important, with particular attention to the brake fluid reservoir, which should be topped up and visually inspected for contamination or moisture ingress—a common issue in stationary vehicles. Lastly, confirm that the service book records reflect any scheduled fluid top-ups or replacements, such as brake fluid, differential fluid, and coolant, as these fluids degrade over time regardless of mileage. If the vehicle has been stationary for significant periods, consider a professional inspection of the exhaust system for structural integrity and the absence of leaks, as well as a review of the CVT transmission fluid condition, which may have degraded from lack of use.