They are basically saying that Gen 5 Prius Prime PHEV is slightly faster but corners and brakes worse and gets worse fuel economy; therefore, unless you will be doing BEV driving, don't spend extra for the Prius Prime PHEV. The review missed the fact that the Prius HEV lacks front-traffic collision alert and lane-change assist because it lacks front corner radars. https://www.caranddriver.com/news/a46414049/toyota-prius-vs-prius-prime-test-results/