Buick revealed more details about its 2020 Encore GX on Tuesday, ahead of the 2019 Los Angeles auto show, and months before the crossover goes on sale in the U.S. With the Encore GX, Buick offers a larger crossover than the pint-size 2020 Encore—although it's unclear if the two will live together on Buick lots for long. The Encore GX relies...