9. Ford XR4Ti (Merkur XR4Ti)
The Merkur XR4Ti, known in Europe as the Ford Sierra XR4Ti, was designed for IMSA and SCCA competition in the United States. Featuring a turbocharged engine and rear-wheel drive, it brought European performance to American racing circuits. Its brief but impactful run left a mark on motorsport enthusiasts. Dive deeper into the XR4Ti’s story at Hemmings.