2006 Mitsubishi Colt 1.5L Diesel · AY06 NBB

The 2006 Mitsubishi Colt’s most recent MOT test on 2025-03-27 confirms it remains roadworthy, though the January 2025 failure—just 38 miles shy of the previous pass—stands out as an anomaly. No defects were recorded in either test, which suggests the vehicle passed all mandatory checks without fail. However, the January 2025 failure, despite no noted issues, implies either a minor oversight in test procedures or a component nearing a critical threshold that was narrowly avoided. The overall trend remains stable, with no recurring advisories or defects over the past four tests, but the abrupt failure warrants closer scrutiny of components that could fluctuate near failure points, such as brake linings or suspension bushes. The recorded mileage of 101,078 miles over nearly 20 years—roughly 5,054 miles annually—is unusually low for a vehicle of this age, indicating either minimal use or prolonged periods of inactivity. The gap between the 2022-12-06 and 2024-01-09 tests (9,817 miles in 13 months) suggests a period of heavier use, while the subsequent 10,075 miles between January 2024 and March 2025 indicates consistent but not aggressive driving. Such variability could imply inconsistent maintenance intervals, particularly if the vehicle was stored for extended periods without servicing. The lack of advisories or defects over these mileage jumps does not confirm structural integrity, but it does suggest no immediate catastrophic wear. Given the clean MOT history, a buyer should prioritise an inspection of high-wear components that often fail without warning, particularly those prone to corrosion or gradual deterioration in a vehicle of this age. The suspension system—including coil springs, bushes, and shock absorbers—should be examined for uneven wear or binding, as these can develop silently over time. Brake discs and calipers must be checked for uneven thickness or signs of overheating, especially if the vehicle was driven through the 10,000-mile gaps without regular servicing. Structural corrosion, particularly around wheel arches, sills, and the subframe, is another critical area; even a clean MOT does not guarantee absence of hidden rust that could compromise the vehicle’s safety. Finally, the exhaust system should be inspected for leaks or excessive rust, as catalytic converters and mufflers often fail without prior warning.