Tuesday, May 15, 2012

Exteriors in General

In contrast to vans, sport utility vehicles (SUV), and many crossover SUVs, most current MPVs are front-wheel drive. This configuration allows a flat inner floor, due to the absence of the driveshaft hump. With rear seats removed, the cargo area in large minivans can hold a 4x8 ft sheet of drywall or plywood flat. Four-wheel drive was also introduced to minivans in North America with the Toyota Van Wagon 4WD and the Volkswagen Vanagon Syncro. Full-time all-wheel drive was introduced to North American minivans in 1990 with the Ford Aerostar's E-4WD option, followed in 1991 by the Toyota Previa All-Trac, and in 1992 on models made by Chrysler.
Most modern MPVs feature unibody architecture, which offers superior crashworthiness and a more comfortable ride than a body-on-frame chassis, and is typically lighter. The discontinued Chevrolet Astro / GMC Safari were the last body-on-frame rear-wheel drive minivans.
In the United States, in order to be governed by more lenient safety and emissions regulations, minivans are classified as light trucks. Unlike their European counterparts, manual transmissions have disappeared due to lack of demand; 1995 was the last year for a manual transmission in the Ford Aerostar and Chrysler minivans while GM had previously discontinued the manual transmission in the Chevrolet Astro and GMC Safari.

Door configuration for MPVs are highly variable. Access to the rear interior may be through one or two sliding or out-swing rear side doors. Early minivans featured one rear side sliding door on the passenger's side, similar to full-sized passenger vans in the early 1980s. Many current minivans feature rear sliding doors on both sides; swinging doors are the norm for European and Japanese minivans, while most American models feature sliding doors. Some models featuring power sliding doors.

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