2015 Toyota Yaris 1.5L Hybrid electric · WM15 AEP

The 2015 Toyota Yaris presents a mixed mechanical picture where recent reliability has been restored following earlier issues but persistent wear remains on key systems. The December 2025 MOT test passed with all minor advisories cleared, confirming that the nearside front and rear brake discs are no longer critically compromised and the pads are within acceptable range, while the offside front and rear discs also show no serious weakness. However, the same test revealed a pattern of progressive brake wear across all four corners combined with exposed ply and cord material on the nearside front tyre, indicating that underlying corrosion and material fatigue have occurred despite the overall passing result. This combination suggests the vehicle has recovered from its previous failure state but continues to carry residual brake-related risks that merit verification before committing to ownership. With 52,871 miles recorded on a 2015 model, the vehicle accumulates approximately 4,800 miles annually—a figure markedly below typical usage for its age and raising questions about the actual driving profile. Such low mileage often reflects infrequent operation or extended periods of storage, yet the brake and tyre conditions documented in the MOT records demonstrate that the engine, transmission, and drivetrain have not experienced the same cumulative stress seen in comparable vehicles with higher mileage. The discrepancy between the low odometer reading and the severity of tyre wear warrants particular scrutiny, as the tyres appear to be approaching their legal limits despite the modest total distance travelled, pointing to possible under-inflated pressure patterns, uneven loading, or simply that the tyres were never regularly driven to reach full tread depth. The brake system represents the most immediate concern requiring focused attention. During a test drive, listen carefully for any grinding or squealing sounds when applying the brakes, particularly on the front axle where both nearside and rear discs show historical wear and pitting. Feel for a pulsating steering wheel or vibration transmitted through the chassis when braking hard—any such symptom would indicate air in the lines or a failing master cylinder that needs professional diagnosis. The tyres present equally urgent checks: measure the remaining tread depth on each of the four wheels to confirm compliance with legal minimums (typically 1.6mm on the main tyres), and visually inspect the nearside front tyre for exposed cords or delamination, especially around the edges where corrosion was previously noted. A quick spin of each wheel while stationary can reveal wobble or play that may signal bearing or lug nut issues that compound the original tyre wear patterns. Given the specific failures flagged in the records, prioritize a thorough brake inspection including disc thickness measurements and pad wear assessment, ensuring the inner faces of the discs are free of deep corrosion that could compromise braking performance. The tyres should be examined for uneven wear bands, bulges, or cuts, with particular attention paid to the nearside front tyre where the 2025 MOT flagged exposed ply and outer tread damage. Because the vehicle's low mileage does not necessarily correlate with good tyre preservation, consider that the tyres may have been underinflated for extended periods or subjected to load variations that accelerated wear beyond what the mileage alone would suggest. Before finalising the purchase, arrange for a dedicated technical inspection of the brake assembly and a detailed tyre condition report to verify that the reported deficiencies have been properly addressed and that the car can be safely operated without risk of sudden brake failure or tyre.