2009 Suzuki SX4 1.9L Diesel · SJ09 MZX

The vehicle remains roadworthy but the maintenance record shows a worsening trend regarding age-related degradation despite low mileage. The most recent test in December 2025 at 78,866 miles identified widespread corrosion across all four brake hoses and heavy surface rust on the front sub-frame. While the vehicle passed, the persistence of these issues from previous advisories suggests that the rubber and metal components are reaching the end of their functional life due to time rather than mechanical use. At 78,866 miles, this 2009 Suzuki reflects exceptionally low mileage, averaging approximately 4,600 miles per year. This low usage pattern explains the perishing of the tyres and the oxidation of rubber components. The data shows a consistent annual increase of roughly 2,500 to 3,000 miles between 2021 and 2025. However, long periods of standing often contribute to the accelerated corrosion of brake line ferrules and the drying out of suspension bushes as seen in the inspection history. A buyer must personally inspect the front sub-frame to ensure the surface corrosion noted in 2025 has not progressed into structural thinning. The recurring reports of corroded brake hose ferrules since 2021 indicate a high risk of future fluid leaks, and these should be replaced to prevent failure. Furthermore, the nearside front anti-roll bar linkage and lower arm bushes flagged in 2023 should be checked for excessive play, as the low mileage has not prevented rubber degradation. The tyres show signs of cracking and perishing, which indicates they are unsafe regardless of remaining tread depth.