The Toyota Corolla has built its name on reliability, affordability, and no-frills practicality. For decades, it’s been the go-to choice for drivers who simply want a car that gets them from point A to B with minimal drama. But even Toyota, known for its engineering consistency, hasn’t been immune to the occasional misstep. Over the years, some Corolla model years have disappointed owners with transmission troubles, engine issues, or outdated tech. On the flip side, several generations have proven to be nearly bulletproof and excellent long-term investments. If you’re eyeing a used Corolla, here are three years you might want to avoid—and four that are widely considered some of the best.