The flat-six is back for the 718 Boxster and Cayman GTS under the 4.0 nameplate

Gone is the 2.5-liter flat-four that motivated the previous-gen 718 Boxster and Cayman GTS.The new 718 duo adds the 4.0 badge and with it, a naturally-aspirated flat-six mill that’s bound to tickle the fancy for a lot of Porsche purists.

What’s more, the 4.0-liter engine is the exact same one currently found in the Porsche 718 Boxster Spyder and 718 Cayman GT4, but it’s been detuned a little. Oh, and according to Autoblog3, the four-cylinder-powered models will be retired after the 2019 model year.

I want all the details!

We figured. So, here we go. As we mentioned, the powerplant has been detuned for use in the 718 Boxster and Cayman GTS 4.0. As a result, it doesn’t churn out 414 horsepower anymore, but 394 horsepower, which can be categorized as a slight lost in oomph. Seriously, 20 horsepower isn’t that much.

The New Porsche 718 Boxster and Cayman GTS 4.0 Are Here to Please Purists Wallpaper quality Exterior
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The good news is that torque is still rated at 309 pound-feet. The excellent news is that both 718 GTS 4.0s get a six-speed manual as standard. A fast-shifting dual-clutch, seven-speed unit is, however, expected to arrive later on during the models’ lifetime.

Porsche says that when the engine’s mated to the six-speed manual and twin-tailpipe sports exhaust setup, the two models reach 60 mph from a standstill in 4.3 seconds, which is just a whisker slower than the 718 GT4 models - they need 4.2 seconds to clear the same interval. Top speed is 182 mph. We also expect PDK versions to be a tad quicker off the line than the manual ones, but we’ll still have to wait and see.

The New Porsche 718 Boxster and Cayman GTS 4.0 Are Here to Please Purists Wallpaper quality Exterior
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The new generation of 718 GTS models sits 20 mm (0.8 inches) lower to the ground. It also packs its fair share of performance-oriented treats:

  • adaptive dampers
  • adaptive engine mounts
  • a brake-based torque-vectoring setup
  • mechanical limited-slip differential
  • the Sport Chrono package
  • Alcantara infusion inside as a bonus

Compared to the previous generation, the 718 GTS 4.0s pack larger brake discs and six-piston calipers in the front. You can get carbon-ceramic rotors, too, but only as an optional feature for extra money.

The New Porsche 718 Boxster and Cayman GTS 4.0 Are Here to Please Purists Wallpaper quality Exterior
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Visually, the two 718 twins get 20-inch light-alloy wheels, red calipers, and dark contrasting details here and there, including an all-black air intake in the front apron and an all-black spoiler lip.

No word on price yet, but expect the 718 Cayman GTS 4.0 to start at around $90,000. The Boxster might get more expensive, though, at around $92,000, maybe even $93,000.

Tudor Rus
Assistant Content Manager - Automotive Expert -
Tudor’s first encounter with cars took place when he was only a child. Back then, his father brought home a Trabant 601 Kombi and a few years later, a Wartburg 353. At that time, he was too young to know how they worked and way too young to drive them, but he could see one thing – each of them had a different ethos and their own unique personality. As time went on, he started seeing that in other cars as well, and his love for the automobile was born.  Read More
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