The Ford Ranger Edge has a different body style. Other than that it's pretty much the same truck. Also, the Mazda B series is essentially the same as the Ford Ranger seeing that they are made in the same factory. Also.. The Edge has a torsion bar front end instead of coils . even on the 2wd models.
The 2003 Ford Ranger owners manual shows : 3.0 L FFV engine ( flex fuel - identified by the 8th " character " of the VIN being a " V " and having a sticker inside the fuel filler door or a 3.0 L engine that runs on gasoline only