Promising to be the first Toyota minivan truly able to compete head-on with the Big Three, the all-new Sienna offers traditional styling, standard V-6 power, seven-passenger seating, a lavish assortment of standard and optional equipment, and, most important, an attractive sub-$20,000 base price. Toyota has taken a mainstream approach to the 1.2-million-unit minivan segment with this versatile people/cargo hauler, marking a significant departure from its Previa predecessor.
You’ll recall that the well-built and strikingly unique Previa was equipped with a supercharged four-cylinder engine, rear-drive, space-age appearance, roomy interior, and an unfortunately intimidating sticker price, which let it grab only 51,000 sales in its best year—less than a tenth the number of the class-leader Chrysler minivans. Faced with such an expensive-to-produce vehicle and the desire to gain a stronger market presence,…