
This Porsche Will Make Hypercars Dial 911 | Carscoops
RML asserts that its P39 is five seconds faster than the GT3 RS at the Nürburgring, achieving a 0–60 mph time of 2.4 seconds.
The RML P39, based on the 911 Turbo S, features a completely custom, ultra-light carbon fiber body.
New aerodynamic enhancements allow the vehicle to generate up to 923 kg (2,035 lbs) of downforce.
Additionally, the limited production model has received new suspension and upgraded brakes.
While many supercar startups aim for success, few take the unconventional approach using the Porsche 911 Turbo S. The British engineering firm RML Group is doing just that, and seven months after announcing its intentions, the world is finally getting a closer look at the results.
RML’s limited-edition project, named the P39, is built on the Porsche 911 Turbo S, with a total of only 39 units set to be produced globally. Although testing and development are still ongoing, the public recently had its first in-person look at the car.
At the recent 'Supercar Fest The Runway 2025' event in the UK, RML presented a prototype of the P39. Featuring entirely new carbon fiber bodywork, RML’s design is significantly different from the original 911 Turbo S. It will also be showcased at the Silverstone Festival in August.
The P39's unique body isn’t just for show; it draws inspiration from Le Mans Hypercars and is 170 mm (6.7 inches) longer and 90 mm (3.5 inches) wider than the standard model. RML has also increased the track width and added prominent aerodynamic features, including a large rear wing, a diffuser, and a front splitter, which allow it to generate 923 kg (2,035 lbs) of downforce at 177 mph (285 km/h).
A key goal for RML is to complete a lap of the Nürburgring Nordschleife in just 6:45. To help achieve this, the 911’s 3.7-liter twin-turbocharged flat-six engine has been upgraded to deliver 920 hp and 705 lb-ft (956 Nm) of torque, slightly different statistics from those advertised last year. The maximum power of 920 hp and torque figure of 705 lb-ft are accessible only in Sport and Sport+ settings; in Wet mode, power is limited to 600 hp, while in Normal mode, it is 750 hp.
Given the planned starting price of the conversion at £495,000 (approximately $670,500 at current exchange rates), excluding the cost of the donor vehicle, it is not surprising that many other modifications are being implemented. For instance, the car features custom top mounts, new springs, and specially designed dampers to enhance its ride and handling. It has also been equipped with a four-corner hydraulic lift system and a recalibrated rear-wheel steering system.
Deliveries to the first customers are anticipated to commence later this year, marking what RML hopes will be an exclusive journey into the realm of high-performance, coachbuilt supercars.

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This Porsche Will Make Hypercars Dial 911 | Carscoops
RML asserts that its P39 is five seconds faster than the GT3 RS at the Nürburgring, achieving a 0–60 mph acceleration in 2.4 seconds.