The Porsche 911 Carrera is fast enough to challenge top-tier supercars, but it can’t keep up with these stealthy racers. When a car enthusiast thinks of Porsche, the first thing that pops into their head is almost always a 911. The crown jewel of Porsche’s lineup has earned a rep for being a formidable competitor on both the straight and curvy. The 911 Carrera, the entry-level model, is powered by a 3.0-liter flat-six engine. An eight-speed automatic transmission transmits the engine’s power swiftly and precisely to the vehicle’s rear wheels.…