40,000-Mile Wrap-UpBy the time our long-term 2021 Hyundai Sonata N Line finally crossed the 40,000-mile finish line, the most powerful front-drive sedan the Korean automaker has ever built left us feeling disappointed. Originally, we had hoped it might be a modern-day muscle car for a new generation, but the sportiest Sonata turned out to be a half-baked hot rod. What went wrong?The Sonata N Line joined our fleet riding a wave of goodwill generated by Hyundai’s steady stream of