The Porsche 911 Carrera RS 2.7 set the template for modern 911 track cars, so to celebrate its 50th anniversary this year, Porsche gathered World Rally champion Walter Röhrl, 24 Hours of Le Mans winner Timo Bernhard, and a selection of classic 911s to recount the history of the Carrera RS 2.7 and its successors.
Unveiled in 1972 as a homologation special, the Carrera RS 2.7 is instantly recognizable thanks to its ducktail rear spoiler. It was the first production sports car with spoilers, including the ducktail and a smaller front lip spoiler. The ducktail cancelled out aerodynamic lift, reduced drag, and even improved engine cooling. It also became an iconic styling feature that’s now making a comeback on the 2023 Porsche 911 Sport Classic.
That familiar shape started out as a simple panel held in place by a piece of wood. Protruding out from the 911’s sloping rear, wind tunnel testing showed it cancelled out lift and produced downforce.
This was also the first time Porsche used the Carrera name for a 911 (it had previously been used for a 356 variant in 1955). Porsche brought the name, which means “race” in Spanish, back to signify the RS 2.7 was something special. That’s a bit ironic considering the Carrera name is now used for base 911 models.
Thinner sheetmetal and glass, and a lack of insulation, also made the Carrera RS 2.7 lighter than other 911 models of the time. It was faster as well, capable of 0-60 mph in 5.5 seconds and a top speed of 149 mph.
Propelling it to that speed was a 2.7-liter flat-6. It generated 210 hp which was sent to the rear wheels through a 5-speed manual transmission. The RS 2.7 was also the first production 911 with rear tires wider than its front tires, which helped improve traction.
Porsche hoped to enter the RS 2.7 in the FIA Group 4 category, which required building 500 units for homologation. They sold out in just three months, so Porsche ended building 1,580 copies (including 200 lightweight versions) in a production run that stretched into 1973. The Carrera RS 2.7 had a successful career in sports car racing and rallying as well, but was soon replaced by the 2.8 RS and RSR 3.0 racers, which also make brief appearances in the video.
The RS 2.7 was followed by other hardcore 911 road cars, including the 911 GT3 RS 4.0, which are also featured in the video. Launched in 2011 as a send-off for the 997-generation 911 GT3, it featured a 4.0-liter flat-6 producing 493 hp. While the RS 4.0 does have a small ducktail, it’s surrounded by a much larger rear wing—showing how spoilers have evolved over the decades.
The 2023 Porsche 911 GT3 RS continues the RS tradition of low weight and advanced aerodynamics. But its elaborate system of ducts and vents, along with an adjustable wing featuring a Formula 1-style drag reduction system (DRS), makes even the GT3 RS 4.0 look old fashioned. Yet Porsche considers the GT3 RS to be the Carrera RS’s descendent, even showing a one-off version in the original car’s green-and-white livery.
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