2007 Toyota Yaris 1.0L Petrol · YT57 MXD

The 2007 Toyota Yaris presents a mechanical profile defined by recurring corrosion and wear issues that have persisted across several years rather than resolving completely. The latest MOT on 2023-09-13 returned a pass, yet the record reveals a troubling pattern of repeated failures and advisories spanning from 2020 through 2023, including major failures involving the offside suspension mounting, front lower suspension arm bush separation, and brake system corrosion on both front and offside sections. While the most recent test cleared the vehicle, the cumulative weight of three separate failures—two outright fails and one pass following them—demonstrates that underlying structural weaknesses were not fully resolved, and the current passing status should be interpreted cautiously rather than as evidence of good maintenance. The mileage figure of 108,255 miles in approximately 19 years represents an unusually low rate of consumption compared to typical usage for this model and age, averaging around 5,700 miles per year. This low accumulation rate could suggest extended periods of storage or minimal driving, which might explain the initial cleanliness of earlier MOTs, but it also masks the fact that the vehicle has already suffered significant degradation in critical systems. The gap between the 2020-09-15 failed test and the subsequent 2022-09-20 fail indicates substantial deterioration occurred while the car was not regularly driven, and the 2023 pass appears to address some issues while leaving others unresolved, particularly regarding the rear subframe corrosion and brake pipe integrity that recurred across multiple assessments. Specific attention must be paid to the brake system, where corrosion to fittings and pipes has been documented on both the nearside and offside front sections, creating potential for leak-prone hoses and compromised braking performance when encountered at speed. The rear vehicle structure shows consistent signs of corrosion, especially around the rear axle mounting points, which compromises chassis integrity and can lead to uneven wear or sudden failure if left unaddressed. Additionally, the offside front lower suspension arm exhibited a split rear bush in 2023, and the same area showed excessive wear on the pin in the same test, pointing to progressive fatigue in a component designed for limited load cycles. The headlight aim issue noted in 2022 further suggests electrical or alignment problems that could affect night-time visibility. For a prospective buyer, the most critical areas requiring immediate physical verification are the brake hoses (both side and offside), the rear brake pipe assembly, the front and rear suspension mounts and lower arms, and the subframe around the rear axle. During a test drive, listen for any unusual noises when traversing bumps or corners, particularly focusing on the front and rear suspension articulations where metal-on-metal contact or loose bushings can produce clunking or grinding sounds. Inspect the brake lines visually for wet spots, leaks, or signs of internal corrosion that may have caused the observed hose failures. Check the rear subframe for visible rust penetration, especially along the mounting brackets, and verify that the brake disc and caliper assemblies remain free of debris that could compromise stopping power. Given the age of the vehicle and the persistence of corrosion-related advisories across multiple years, obtaining a detailed post-MOT inspection by a competent technician who can assess whether the repairs were properly executed and whether the underlying structural integrity remains adequate is strongly recommended before committing to purchase.