Sedan Vs Coupe

hey guys I know their is quite a difference in power from the gen coupe v6 and sedan. is this just a tuning thing or does it have other parts that are
Sedan Vs Coupe >> Wheels: G35 Coupe 19s vs G37S 19s - G35Driver - Infiniti ...

Sedan Vs Coupe >> Wheels: G35 Coupe 19s vs G37S 19s - G35Driver - Infiniti ...

I've been doing my own research, but I need some other opinions of the pros and cons of both a sedan and a coupe. I'm looking into getting a new car soon, I've pretty ...
Sedan Vs Coupe >> Galerie k článku BMW 4 Gran Coupé vs. 3 GT vs. 3 Sedan vs ...

Sedan Vs Coupe >> Galerie k článku BMW 4 Gran Coupé vs. 3 GT vs. 3 Sedan vs ...