Perhaps the biggest unknown surrounding the new F-150 is what, exactly, its body will be made of. Earlier reports have suggested that lightweight aluminum materials may be used throughout, offering a serious reduction in weight versus previous models. But Ford engineers will need to be careful, though, as they need to keep a tight rein on costs while preserving class-competitive (if not class-leading) towing and payload capacity.
On the powertrain front, the new F-150 will undoubtedly carry on with EcoBoost engines, and we'd bet on a normally aspirated V8 as well. A diesel option hasn't been confirmed, but we wouldn't be surprised to see one some time in the truck's lifecycle. Mum's the word on when the production F-150 will be revealed, but our best guess is that we'll see it at the 2014 Detroit Auto Show.