THE 2019 JAGUAR I-PACE crossover, the company’s first electric vehicle, is brill, as the Brits would say: smart and sensual, quick and quiet, athletic and aesthetic, a class act all the way.

Not perfect—the lagging touch screen in my test car made me want to drive it off one of Monterey Peninsula’s scenic cliffs—but still, pretty great. Two, but only two, car makers sell luxury electric crossovers now: Tesla and Jaguar Land Rover. One is American and one British, with a banker in India.

And...