1st Gen Tacoma (wait...already have that one)
-Would have 1KD-FTV swap, SAS, and aux fuel tank in addition to current modifications
Toyota FJ78 (Troopy) with 4.5L 1VD-FTV
Toyota 4runner (1st gen, pre 1990) with 1KZ-TE swap
Toyota FJ45 pickup
All trucks would be snorkeled, fitted with OME suspension and components, as well as a winch, compressor, cable or air lockers, front, rear, and slider armour, and a variety of tires (BFG KM2/AT, Mudstars, Grabber AT)
Audi RS6 Wagon
STi-swapped 1997-2000 hatchback Impreza with internal roll cage (did this with a friend but used a WRX engine...thing was FAST)
Sorry...I'm a Toyota head though.