The Jeep Gladiator was first introduced for the 1963 model year. The Gladiator was a series of full size st pick up trucks available in a variety of styles and configurations. The Gladiator was available in four wheel drive or rear wheel drive versions and featured a range of inline six and V8 engines. The Jeep Gladiator was in production until 1971 when the model was rebranded and became known as the Jeep J-Series Pickup.