The standard features of the Porsche Cayman GT4 include 3.8L H-6 385hp engine, 6-speed manual transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st row overhead airbag, airbag occupancy sensor, air conditioning, 20" aluminum wheels, cruise control, ABS and driveline traction control, electronic stability.