The Merkur XR4Ti is a high-performance 3-door hatchback sold in North America from 1985 to 1989. A product of the Ford Motor Company, the car was based on a version of the European Ford Sierra XR4i adapted to US regulations. The XR4Ti and the Merkur brand name were both projects sponsored by Ford vice president Bob Lutz.
The European Ford Sierra was adapted to North America.