Jeep WranglerSpecs for all generations of Jeep WranglerUnlimited is the name of the long-wheelbase version of the Jeep Wrangler, the difference being between about 20 and 40 cm, depending on the modification. It was first introduced in 2004 to complement the third generation range of the model. Currently (as of 2022), an Unlimited version of the fourth generation Wrangler is available and still in production, offering a wider choice of variants to fit drivers' needs.