It is called unit-body construction and it is where the sheet metal and body parts are pressurized to form the body and chassis as a single piece, much in the same way as a car is formed (Bradsher 438). Construction is what differentiates between a traditional sport utility vehicle and a crossover sport utility vehicle.
The three most popular classes of sport utility vehicles are full-sized, mid-sized, and crossover. Full-sized sport utility vehicles are built on the underbodies originally developed for full-sized pick-up trucks, and they share the body-on-frame construction of a full-sized pick-up truck. Full-sized sport utility vehicles became extremely popular in the mid-90s among affluent families, despite being poorly adapted for family use (Bradsher 436). Mid-sized sport utility vehicles share their underbodies with small pick-ups. They, too, employ body-on-frame construction. Mid-sized sport utility vehicles became popular in the late 1980s and continue to be the best-selling class of sport utility vehicles today (Bradsher 437). Crossover sport utility vehicles are the newest class, the first of which was the Toyota Corolla-based Toyota RAV4 in 1996. Crossover sport utility vehicles have unit body frames, like cars, but have taller front ends and higher seating positions (Bradsher 438). They are basically tall cars styled to look like a .
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traditional sport utility vehicle. They generally have all-wheel-drive rather than traditional four-wheel-drive. They are also more costly to develop and tend to have a noisier cockpit than traditional sport utility vehicles (Bradsher 438).
The only thing a sport utility vehicle can do better than a car is travel off road, and the average sport utility vehicle owner will never venture off of the asphalt. So why do people buy sport utility vehicles? There are so many reasons why you should not buy a sport utility vehicle. The number one reason you should not buy a sport utility vehicle is safety.