Borcherding Buick GMC

Buick is continuing its challenge of creating its own vehicle segment - "approachable luxury" - by introducing another industry pioneer: the 2013 Buick Encore crossover.

The Encore will launch early next year as one of the first entries in an emerging class of compact luxury crossover SUVs. So far, it has no real competitors, although Audi and BMW are also expected to add little SUVs to their lineups in 2013.

"It…