Starting the morning with a fuel readout of 411 miles till empty is a happy start to any commuter’s day. That message greeted me in my first drive of the redesigned 2019 Kia Forte sedan, which has a highway fuel-economy rating of 40 mpg. But Kia is adamant that its Stinger-influenced Forte is more than “just a commuter car.” It is, but with a more efficient four-cylinder engine, a new continuously variable transmission engineered by...