If you happen to had been to easily take a look at the spec sheets of the Porsche Cayman GT4 and Cayman GTS 4.0, you might be excused for pondering that the 2 are just about the identical. Nevertheless, as Engineering Defined notes on this fascinating video, there may be truly lots that differentiates the 2.

A lot of this video focuses on the aerodynamics of the Cayman GT4 and compares them with the extra reasonably priced GTS 4.0. In fact, there are some fairly apparent variations, together with the truth that the GT4 has a large rear diffuser and a set rear wing. There are additionally some much less apparent variations.

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For instance, the underside of the Cayman GT4’s entrance bumper has a dimpled floor, similar to a golf ball. Porsche says this design permits air to extra exactly observe the contours of the automobile, decreasing drag. It’s an fascinating function and never one thing you’d learn about until you had been to look beneath the GT4’s evocative bodywork.

Throughout this video, Jason additionally highlights the variations within the engines of the 2. Each function a 4.0-liter naturally-aspirated six-cylinder engine however this engine isn’t associated to the one of many Porsche 911 GT3. As a substitute, the Cayman’s 4.0-liter began out life because the twin-turbo 3.0-liter discovered within the Carrera, albeit now not options these turbochargers and has had its displacement elevated to 4.0-liters. The Cayman GT4’s engine is tuned to supply 414 hp and 310 lb-ft (420 Nm) whereas the GTS 4.0’s engine is capped at 394 hp and 309 lb-ft (418 Nm).