Rust eats through used cars with a slow, relentless precision. It hides in seams, under carpets, and on the frame where buyers rarely look. Left alone, it spreads until the metal weakens, parts fail, and safety slips. Mechanics call it the “cancer” of the automotive world because once it settles in, it rarely stops. If you’re looking at a used car or you just want to make sure your ride is in tip-top shape, here’s what you need to know about rust and why it can be your downfall.
