Porsche 919 Hybrid
Porsche revealed an evolution of the 919 Hybrid on 11 April 2018, as it broke the lap record in Circuit de Spa-Francorchamps with a lap time of 1:41.77, with Neel Jani behind the wheel. The lap time was 0.783 seconds faster than Lewis Hamilton's flying qualification lap in 2017, previously posting a 1:42.553 in his Mercedes AMG F1 W08, a Formula One car. Jani was also over 12 seconds faster than the standard 919 Hybrid's 2017 pole position lap time of 1:54.097. During the lap, Jani's speed trap was at the Kemmel Straight, with an average speed of .
Porsche 981
In 2015, the Cayman GT4 was introduced, based on the then current generation of the Cayman (981C), using a revised and a slightly de-tuned version of the 3.8-litre flat-six engine from the 911 (991) Carrera S. The GT4 was available only with a 6 speed manual transmission and weighed . It has a vented front bumper to improve cooling for the additional radiator, with a lower lip as well as a fixed rear wing for providing downforce. Compared to the standard Cayman, it features a 30mm lower ride height, upgraded brakes from the 991 GT3, a limited slip differential combined with Porsche Torque Vectoring, and Porsche Active Suspension Management with dampers derived from the 991 GT3. A number of reinforcements were also made throughout the chassis to keep it stiff and well balanced. A Club Sport Package is also available, featuring a rear half rollcage, preparation for a battery cut off switch, a fire extinguisher and a six-point racing harness for the driver, compatible with a neck saving HANS device. Sport Chrono Package with unique Track Precision app is also available specifically for the GT4, adding an additional ECU to the car to deliver telemetry data to the driver's smartphone.
In the United Kingdom, the GT4 could be ordered before its introduction at the 2015 Geneva Motor Show in March, and the first cars would arrive in dealerships in March.
The Cayman GT4 has a projected Nürburgring Nordschleife lap time of 7 minutes 40 seconds and has a top speed of . The GT4 has gained rave reviews from magazines like Evo and the likes of Chris Harris. The GT4 also represents the last mid-engine track focused car with a naturally aspirated Flat-6 engine coupled to a 6-speed manual transmission, a combination that would disappear after the introduction of the turbocharged Flat-4 in the 718 Cayman.