10/09/2019 DPCcars Videos
Powering these sports cars is not a variant of the 911 GT3’s high-revving 4.0-liter flat-six, the engine many expected Porsche to squeeze into its mid-engine models, but a new six-cylinder engine from the German brand. Loosely based on the 9A2 flat-six from the 911 Carrera range, and built on the same production line, the engine that powers the high-performance 718 twins features kit such as cylinder deactivation and piezo fuel injectors. Redline is a sky-high 8,000 rpm, while the engine’s approximately 414 horsepower peak at a heady 7,600rpm and its 310 pound-feet of torque is available between 5,000-6,800 rpm. Those figures allow both the GT4 and Spyder to reach 62 miles per hour in 4.4 seconds and hit top speeds of 188 mph and 187 mph, respectively. Both models retain manual transmissions, although the gearboxes are saddled with lengthy gear ratios that allow the duo to pass various emissions regulations.
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