Interesting read about your 718 . There is definitely a negative approach to the car because of the 4 cylinder and it influences the perception people have of the car . The sound difference is real , but efficiency , probably not at all .
My sales guy wants to by a 718 GTS ( as there are very good deals on 2nd hand ones ) , upgrade the suspensions and take what ever he can out of the car to make it lighter . It would be to take to the track . He is sure the car would then be faster then GT4' s and 991.1 GT3 , as the extra torque gives a real plus .
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964 Carrera 4 -- 997.2 C2S , -20mm -- 991.2 GT3 RS