The Porsche 911 GT3 is already a visceral, jaw-droppingly quick track machine. At our annual Lightning Lap competition, the 2022 GT3 made the most of its 502-horsepower 4.0-liter flat-six.
2023 Porsche GT3 RS comes with a 4.0-liter naturally aspirated flat-six, similar to what you’d find in the pedestrian Porsche 911 GT3. But it sees a slight boost in output: 518 hp up from 502, enabled by new camshafts. Though, almost as important as the extra power, the 4.0-liter flat-six sticks with the individual throttle bodies from the base GT3. Mated to this engine is a seven-speed PDK transmission that feeds power to the rear wheels and features a shorter gear set, according to Porsche, which is likely responsible for the 0.2-second reduction to 60 mph from a stand still compared to the GT3. For those out of the loop, that means the 2023 Porsche 911 GT3 RS sprints to 60 in only 3.0 seconds.
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