reader comments 1 Share this story The all-new 2018 Alfa Romeo Stelvio Quadrifoglio—the “halo” model in the lineup. Alfa Romeo The Stelvio Quadrifoglio uses a Ferrari-derived V8, powering it from 0-60 mph in just 3.9 seconds with a top speed of 177 mph. Alfa Romeo Named for a famed mountain pass, the Stelvio promises to be exciting to drive. Alfa Romeo...