The GT3 occupies a singular place in the 911 lineup. Whereas the range-topping Turbo S piles on power, technology, luxury, and all-weather capability, the GT3 has always pursued something more elemental: a lighter weight, more focus, and a finely honed setup that puts the driver at the center of the experience.

Porsche has expanded the GT3 formula since the model’s debut in 1999, adding the more extreme GT3 RS to the lineup in 2003 and the slightly more reserved GT3 Touring in 2017, along with the GT3 S/C earlier this year. While the concept behind the drop-top S/C requires some mental gymnastics to make sense of it, the Touring’s original premise was refreshingly simple: Take the standard GT3—including its naturally aspirated 4.0 L flat-six and track-tuned chassis—and replace the fixed rear wing with the deployable spoiler from the Carrera. The result is a subtler version of the homologation car that recaptures the classic 911 silhouette without giving up the hardware that makes a GT3 a GT3.

Fresh from its 992.2 mid-cycle update, the latest GT3 Touring sticks closely to that original design. Its 4.0 L flat-six still spins to 9,000 rpm and produces 502 hp (375 kW) and 331 lb-ft (449…