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Porsche to Add Flat-Four Engine, 718 Badging to Boxster, Cayman

New names, new engines coming in 2016.

Angus MacKenzie
Dec 9, 2015

Following the launch of the all-turbocharged 991/2 series 911s, the long-rumored switch to turbocharged flat-four engines for both the Boxster and Cayman will become a reality in 2016.

Though Porsche is keeping tight-lipped on the details, it's expected the new flat-fours will share their basic architecture and key components with the new six-cylinder turbos, including direct injection.

The rumor mill in Stuttgart suggests the base Boxster and Cayman models will be powered by a 2.0-liter four with about 240 hp, while the S and GTS versions will get a 2.5-liter engine that will develop about 300 hp and 370 hp, respectively. The engines are all said to rely on a single fixed vane turbocharger.

With the new engines will come a new naming strategy. Both the Boxster and Cayman will receive the numeric designation "718" in addition to their model names, in line with Porsche's recent move to officially add the 911 numerals to badging on the Carrera, Carrera S, GTS, and Turbo models (and the naming chosen for the 918 Spyder). So, when the turbo-powered 981/2 versions arrive, they'll be badged 718 Boxster and 718 Cayman.

Porsche sources hint the numeric-alpha naming convention will only apply to its sports cars, not the SUVs or sedans, which strongly suggests the forthcoming V-8 powered Panamera coupe developed on VW Group's front engine MSB architecture will be called...the 928.

Click HERE to read our 2016 Porsche Boxster Spyder Second Drive Review.

2014 Porsche Cayman S 22 Photo 2/21   |   Porsche to Add Flat-Four Engine, 718 Badging to Boxster, Cayman
2015 Porsche Boxster GTS front three quarter1 Photo 21/21   |   Porsche to Add Flat-Four Engine, 718 Badging to Boxster, Cayman
By Angus MacKenzie
18 Articles

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