Battle of the box cars

Toyota fared better in the youth marketing game with the self-consciously trendy Scion brand, and the xB's squared off lines made it a critical success at introduction. But for the second generation in 2007, Toyota diluted the formula with fewer right angles and a less-upright windshield. Demand promptly collapsed. From a peak of 61,306 in 2006, xB sales slid to 20,364 last year.

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