2018 Porsche 718 Boxster and Cayman GTS: More Power, Still No Six

-The Porsche 718 Boxster and Cayman’s abstinence from six continues. Six cylinders, that is. The mid-engined roadster and coupe traded their predecessors’ naturally aspirated flat-sixes for turbocharged flat-fours last year, and Porsche purists haven’t stopped yowling since. They’ll need to drink a glass of water and lube up their pipes for more: The 2018 718 Boxster and Cayman are now available in GTS form, and those models, too, use the 2.5-liter turbo four found in the