The redesigned eleventh generation F-150, using the new P2 platform, was introduced by Ford in January 2003 at the North American International Auto Show. Designed by Tyler Blake under Patrick Schiavone between 1999 and January 2000, the styling was a revolutionary, more angular update of the PN-96. On August 29, 2000, the final production design was frozen. Development began in 1997, with scheduled production for September 2002 alongside the U222 Expedition. Development later ended in 2003 due to delays. The side windows also changed to a Kenworth "Daylight Door" and Ford Super Duty-like appearance; dipping towards the front of the door. Initially, only Ford's 4.6 L Triton or new 3-valve 5.4 L 3V Triton V8 engines and four-speed automatic transmissions were offered to the retail public on