The Ford Shelby GR-1 is a conceptual sports car that was created by Ford. It was first introduced to the public at the 2005 North American International Auto Show. The GR-1 was created with the inspiration from the Shelby brand. It was inspired by and bears resemblance to the Shelby Daytona. The GR-1 uses a 6.4L all-aluminum V10 engine and utilizes some components from the Ford GT. The GR-1 is officially rated at 605 hp (451 kW) and 501 lb·ft (679 N·m) of torque. It uses a 6-speed manual transmission.