Complex sentence: The Excel was sold in the United States by Mitsubishi Motors from 1987 to 1994 as the Mitsubishi Precis as either a 3-or 5-door hatchback.
Split into simpler sentences: The Excel was sold by Mitsubishi in the United States as the Mitsubishi Precis. It was available as either a 3-door hatchback or a 5-door hatchback.