2023 Porsche 911 GT3 RS's Aero Is So Extreme, Even the Suspension Has Wings

2023 Porsche 911 GT3 RS's Aero Is So Extreme, Even the Suspension Has Wings

2023 Porsche 911 GT3 RS's Aero Is So Extreme, Even the Suspension Has Wings

With so many wings 'n things, the newest Porsche 911 GT3 RS looks like it could fly. Before you even think about this über-911-GT3 taking flight, let us assure you, all of those spats, spoilers, flaps, louvers, and so on are there precisely so that this sports car stays firmly planted on planet Earth. They have the added side effect of signaling to the world that you didn't settle—if that's the right word—for the already excellent 911 GT3, itself a track-ready missile that so impressed us we awarded it our 2022 Performance Vehicle of the Year award.

Aero, Dynamics

In what could be the most Germanic understatement of the year, Porsche says "The purposeful look of the new 911 GT3 RS is characterized by the large number of functional aerodynamic elements." Yes, the "purposeful look" Porsche refers to is the eye-popping array of body add-ons that regular GT3s lack and the tallest rear wing ever fitted to a production Porsche vehicle. Like on the base GT3, the RS's rear wing is of the swan-neck variety, in which the supports stretch up and over the plane of the wing, mounting to the horizontal surface from above. Unlike the regular GT3, the RS's wing is taller than the roof, with a hydraulically adjustable upper section.

That adjustable piece works in concert with a race-inspired drag reduction system (DRS), which at the press of a button moves the wings to a lower-drag position to achieve higher straight-line speeds. Conversely, under hard braking, the rear wing can flip up into an air brake position. Porsche has made the various splitters and canards on the nose similarly adjustable, a move made possible by sacrificing the front trunk entirely to a lay-down radiator. Air exits that radiator via a pair of huge holes in the hood, flows over the roof, and is directed to the sides so that the engine air intakes in the rear—remember, 911s are rear-engined!—ingest cooler air.

Along with a larger rear diffuser, those meaty louvers atop each front fender (for evacuating wheel-well pressure), and reworked rear fenders for improved airflow, the 911 GT3 RS is altogether more focused than the already sharp GT3. Downforce in the RS is up big time as a result, three times more than what a "normal" GT3 produces at 124 mph (for a total of over 900 lbs). At 177 mph, the GT3 RS generates 1,895 lbs of downforce.

The Mechanical Stuff

Porsche takes so seriously the GT3 RS's aerodynamics, that it didn't stop at adding those wings all over the body. Its engineers turned their attention to the RS's mechanicals, too, reshaping the suspension links with airfoil-shaped profiles, a move that is said to contribute 88 lbs of downforce at "top track speed" at the front axle alone. According to Porsche, these new links increase the GT3's track width by a mighty 1.14 inches in front.

To help overcome some of that extra aero, the 4.0-liter flat-six engine retains the same one-throttle-body-per-cylinder layout as the non-RS GT3 but receives new camshafts and sees peak horsepower rise from 502 hp to 518. It comes mated to a seven-speed dual-clutch automatic transmission with a shorter final-drive ratio than the non-RS GT3 and little air intakes under the body that help cool it. Porsche, always conservative, estimates the GT3 RS is 0.2 second quicker to 60 mph than a 911 GT3; given how we recorded a 2.7-second rip in dual-clutch 911 GT3 last year, figure on the RS being mind-bending. Top speed is said to be 184 mph.

Huge brakes help slow things down, with the front caliper pistons growing a few mm larger in diameter than those on the GT3. The front rotors thicken by 2 mm to 36 mm; step up to the carbon-ceramic brakes, and the rotors grow by 2 mm in diameter up front (410 mm) and 10 mm in back (390 mm). Also, as on the GT3, the RS gets a rear-wheel-steering system, albeit tuned along with the rest of the suspension for sharper response, and drivers can independently adjust the compression and rebound settings for the front and rear via buttons on the dashboard. There also is a rotary drive mode dial for selecting Normal, Sport, and Track modes (with the DRS button in the middle) on the steering wheel.

What a Lightweight!

Porsche says the GT3 RS weighs just 3,268 pounds, thanks mostly to the carbon-fiber door skins, front fenders, roof, hood, and seat shells. Want some of that carbon fiber on fuller display? The available Weissach performance package leaves the carbon naked on the roof, hood, rear wing, and door mirrors; the kit also includes forged magnesium wheels that shave 17.6 pounds of unsprung weight from the car.

Also lightweight? Your wallet, after you buy a 2023 Porsche 911 GT3 RS. The car starts at $225,250 (about $60,000 more than a normal GT3) and goes on sale early in 2023. Deliveries begin in the spring, and those with reservations can also choose to pay even more and get a Porsche Design Chronograph watch that incorporates titanium and various nods to the RS's styling.

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