Adapting to customer needs and trying to achieve efficiency levels proposed by the governing bodies, manufacturers had to shift whole production systems to accommodate their factories for efficient SUV and crossover production. However, the tough body-on-frame design of traditional SUVs simply did not cut it anymore. SUVs became too heavy, too ungainly, and too expensive to maintain. Then, some automakers started to experiment with unibody construction for their SUV-looking cars. Soon, what was a misfit became the norm and today with crossovers being the only way forward. Even the famous off-road specialists like Jeep and Land Rover had to make changes and some famed names from history sacrificed all that made them famous in the first place.