2003 Toyota Yaris 1.3L Petrol · SD03 XZF

The 2003 Toyota Yaris currently holds no valid MOT. The most recent test on 14 January 2025 at 135,794 miles resulted in a failure, and no subsequent pass has been recorded. The maintenance trend is clearly worsening. What began as advisory-level corrosion in earlier years has escalated into a serious structural failure. The tester flagged both rear inner sills and the sill at the rear axle mounts as corroded to the extent that rigidity and overall security were significantly reduced. That is a direct rejection under the structural integrity criteria, not a minor advisory. The same test also identified a major central exhaust leak, an insecure exhaust system, a parking brake operating below 50 percent of the required efficiency, and both front anti-roll bar linkages worn or at risk of detachment. The offside front tyre was also below the 1.6mm legal tread depth. Taken together, this is not a vehicle that has been maintained to a roadworthy standard at the time of its last inspection. The mileage pattern tells a story of very light use that has recently stalled. Between March 2022 at 114,026 miles and March 2023 at 121,608 miles, the car covered roughly 7,500 miles in a year. From March 2023 to February 2024 it added another 7,068 miles. Then from February 2024 at 128,676 miles to January 2025 at 135,794 miles, it covered 7,118 miles. That is consistent low-to-moderate annual use of around 7,000 miles, which is still well below the typical UK average. However, the mileage has not moved at all since the January 2025 failure, meaning the car has likely been stationary for over 17 months. A vehicle sitting unused for that long can develop seized brake calipers, deteriorated rubber bushes, and accelerated corrosion in areas where moisture collects, particularly around sills and floor pans. A buyer should treat the rear sills and rear axle mounting areas as the primary concern. The January 2025 failure specifically cited corrosion within 30 centimetres of a body mounting sill at the axle mount on both sides, which suggests the structural weakness is concentrated around the rear suspension pickup points. That is a critical load-bearing area, and repair will require proper welding rather than filler. The front anti-roll bar linkages on both sides were flagged as worn or likely to become detached, which points to deferred suspension maintenance. The parking brake efficiency falling below the 50 percent threshold could indicate seized rear cables, worn rear brake shoes or pads, or a maladjusted mechanism, all of which need inspection. The central exhaust leak and insecure mounting should be checked for corroded joints or a failing flexi pipe. Beyond the flagged items, the long stationary period raises additional concerns. Tyres may have developed flat spots or perished sidewalls despite adequate tread on the offside front. Brake discs and calipers should be inspected for surface corrosion and seizure. The oil filter leak noted in the March 2023 test was minor, but any long-term oil seepage around the filter housing or sump should be checked. The power steering hose corrosion flagged in 2022 may have progressed. This vehicle needs a thorough underbody inspection by a qualified mechanic before any purchase decision is made.