Porsche 718 GTS 4.0 最大分別係用咗 4.0 公升自然吸氣水平對向六缸引擎，代替普通版嘅 2.0/2.5 公升四缸 turbo 引擎。GTS 4.0 輸出 400 匹馬力，行車聲浪更澎湃，油門反應更直接，而且係自然吸氣引擎，無 turbo lag。GTS 4.0 仲標準配備 PASM 運動懸掛（車身降低 20mm）、PTV 扭力分導系統同機械式限滑差速器。
The main difference of the Porsche 718 GTS 4.0 is its 4.0-litre naturally aspirated flat-6 engine, replacing the 2.0/2.5-litre turbo flat-4 of the standard models. The GTS 4.0 produces 400 hp, with a more sonorous exhaust note, more direct throttle response, and no turbo lag due to its naturally aspirated design. The GTS 4.0 also comes standard with PASM sports suspension (lowered by 20mm), PTV torque vectoring, and a mechanical limited-slip differential.
