AS GREAT DRIVING roads go, Interstate 10 isn’t. The road between Phoenix and Los Angeles is nearly straight, almost featureless, an automotive conveyor belt through vault and valley 400 miles long. On some stretches the speed limit goes up to 75 mph, but last week, in my test car—a nuclear-tipped Ferrari 488 called the Pista—distance/time came to a droning standstill. My fellow travelers and I huddled together around 84 mph (the speed limit +9), hoping there would be safety in numbers. The desert scenery repeated like a cartoon backdrop. The tall saguaros mocked me.
The...