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The GTS editions boast a bit more power, a few styling tweaks and upgraded interiors.

Porsche has revealed GTS packages for its 718-generation Cayman and Boxster.Engineers have reworked the 2.5-liter turbocharged flat-four engine to achieve a modest increase in power output to 365 horsepower and 317 pound-feet of torque. The uprated engine produces just 15 more horsepower than 718 S editions, though it is up 35 ponies compared to the outgoing naturally aspirated Boxster mill in the previous GTS variants.

The company also notes that peak torque is available across a wider band from 1,900 - 5,500 rpm with the manual transmission or up to 5,000 rpm with the PDK automatic. The latter gearbox can launch both GTS models to 60 mph in 3.9 seconds and reach a top track speed of 180 mph.

The siblings have received a few aesthetic tweaks including a Sport Design front fascia, tinted light covers, black accents, dark 20-inch wheels and an upgraded exhaust system, among other changes. Inside, the cabins are shrouded in plenty of Alcantara and equipped with the Sport Chrono Package.

The 2018 Cayman GTS and Boxster GTS are slated to arrive in showrooms by March 2018, with respective starting prices of $79,800 and $81,900.

Live images by Brian Williams.