Ford has launched a new ‘double cab’ four-door variant of its top-selling F-150 pickup called the SuperCrew. Based on the existing F-150 SuperCab model, the new version has four cab doors and a full-width rear seat. Standard and optional features include standard power adjustable pedals, a power moonroof, rear-seat entertainment system and a ‘bed extender’ which increases loadbox length for carrying longer items.