Buick’s powertrain warranty matches Cadillac, at six years or 70,000 miles, whichever comes first. However, Buick’s free scheduled service program is cut for 2016, down to two visits from four ...

Yet for 2016, Buick aims to expand the Encore’s dynamic envelope with a new Sport Touring model that packs a new-generation turbocharged four-cylinder engine with 11 percent more power.