Since replacing the S10 in 2004, the Chevy Colorado has lived three very different lives. It started as a compact joint venture with Isuzu, evolved into a class-leading midsize hauler, and has now transformed into a high-torque, tech-heavy beast. Buying a used Colorado requires knowing exactly which version you’re getting, as mechanical pitfalls and capabilities shift dramatically between generations. We’ll break down the details here, so you know what to look for when buying a used Chevy Colorado