Hyundai 's first offerings in the United States were a failure, due to their reliability problems. The Excel and Scoupe sedans often fell apart with low mileage, and had numerous mechanical issues involving transmissions, electrical components, and the engine itself. After not being able to land a substantial chunk of the American marketplace, this South Korean automaker decided to double its efforts, in releasing new vehicles that would offer years of service at a reasonable price. They have…