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 .
Ruf CTR
Weighing in at , the CTR had a acceleration time of 3.65 seconds and a top speed in excess of . Although the Porsche 959 was faster in terms of acceleration to , the Yellowbird could outperform all competition when it came to top speed, topping out at , a top speed that made it the fastest production car in the world at the time of its introduction.